thproium-232 is a radioactive isotipe of throium. how many neytrosna re located in the nucleus of theorum 232

Answers

Answer 1

142 neutrons are in the nucleus of theorem-232, which is a radioactive isotope of thorium.

The number of neutrons located in the nucleus of thorium-232 can be calculated using its atomic mass and atomic number. The atomic mass of thorium-232 is 232 and the atomic number is 90. The atomic number represents the number of protons in the nucleus, and since protons and neutrons have the same mass, we can calculate the number of neutrons by subtracting the atomic number from the atomic mass.

232 - 90 = 142

So, there are 142 neutrons located in the nucleus of thorium-232.

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Related Questions

Follow-Up:
1. Rate is a ratio of two different kinds of measurements. Speed, for example, is a rate that depends on
the value of both distance and time. Rates, such as speed, are typically calculated by dividing one
measurement by another. Rates do not have to be related to speed. Another example of a rate
would be the price per dozen for the cost of eggs. What are at least two other examples of rates?
Describe the two measurements needed to determine those rates.

Answers

Feet and inches are the measurements needed

Balance C2H4 + O2 = CO2 + H2O using the algebraic method.

Answers

Answer: C₂H₄ + 3O₂ --> 2 CO₂ + H₂O is the balanced equation

Explanation:

First, the Carbon atoms are balanced. After balancing the equation becomes:

C₂H₄ + O₂ --> 2 CO₂ + H₂O

Then the Hydrogen atoms are balanced. After balancing the equation becomes:

C₂H₄ + O₂ --> 2 CO₂ + 2H₂O

Finally, Oxygen atoms are balanced. After balancing the equation becomes:

C₂H₄ + 3O₂ --> 2 CO₂ + H₂O

Thus, the balanced equation is C₂H₄ + 3O₂ --> 2 CO₂ + H₂O

I hope this helps! :)

Three magnesium isotopes have atomic masses and relative abundances of 23.995 amu (78.99%), 24.986 amu (10.00%), and 25.992 (11.01%). Calculate the average atomic mass of magnesium.
i’ll give brainliest

Answers

You would multiple the percentages times the atomic mass and then add each of them together.

Ex. (23.995)(.7899)+(24.986)(.10)+(25.992)(.1101). = 24.3139 amu

Answer:

24.3139697

Explanation:

23.995(0.7899)+24.986(0.1000)+25.992(0.1101) = 24.3139697

a separation process that depends on differing abilities of substances to form gases is called .

Answers

A separation process that depends on differing abilities of substances to form gases is called Distillation.

Distillation is a common method used to separate and purify liquids based on their different boiling points. The process involves heating a mixture of liquids to a temperature where one liquid will evaporate and form a vapor, while the other liquids will remain in a liquid state. The vapor is then condensed back into a liquid form and collected, which is then called the distillate. The distillate will be the liquid with the lowest boiling point of all the components in the mixture. This process can be repeated for different boiling point ranges and those multiple distillates will be different components of the original mixture.

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At stp, one mole of oxygen gas (o2) and one mole of neon (ne) contain:_____.

Answers

At stp one mole of oxygen gas and one mole of neon atom both have

6* [tex]10^2^3[/tex] molcules which is avagardo number of molecules.

what is STP?

STP stands for "Standard Temperature and Pressure." In chemistry, it is commonly used as a reference point to describe the properties of gases. STP is defined as a temperature of 0 degrees Celsius (273.15 K) and a pressure of 1 atmosphere (101.325 kPa). At these conditions, the volume of one mole of any gas is 24.45 L.

So one mole of all gas have avagadro number of molecules in it.

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a 140.0 g sample of water at 20.0 °c is mixed with 100.0 g of a certain metal at 95.0 °c. after thermal equilibrium was established, the temperature of the mixture is 24.6 °c. what is the specific heat capacity of the metal?

Answers

Specific heat capacity of the metal  by the given values is 5.389 J/ g°C  

Mass of water = 140.0 g

Initial temperature of water = 20.0°C

Mass of a certain metal = 100.0 g

Initial temperature of metal = 100.0°C

Final temperature of water and metal = 95.0°C

Since the metal is at a higher initial temperature it will lose heat and the water having a lower initial temperature will gain heat.  

Thus, heat lost by metal = Heat gained by water  

formula: (mass metal )(initialT - finalT)( Cp metal ) = ( mass water )(finalT- initalT)( Cp water)  

After plugging in the given data we get,  

(100.0 g )(100.0 °C -95.0°C)( Cp metal) = (140.0g )(24.6°C-20.0°C) (4.184 J/g°C)  

(100.0g )(5.0C)( Cp metal )=(140.0g )(4.6°C)(4.184 J/g°C)  

(500 g°C) (Cp metal) = 2694.5 J  

(Cp metal) =5.389 J/ g°C  

Thus, specific heat capacity(Cp) of metal = 5.389 J/ g°C

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There is a bell at the top of a church belltower that is 92m high. The bell weighs 900 N. Is it potential energy or kinetic energy? Why? Calculate the amount of energy

Answers

1. The illustration is potential energy

2. The amount of energy, given that the bell weighs 900 N is 82800 J

1. How do I know whether it potential or kinetic energy?

Potential energy is the energy possesed by an object by virtue of it's location. While kinetic energy is the energy of a moving object.

From the above information, we can conclude that the illustration from the question is potential energy

2. How do I determine the energy?

The amount of energy can be obtained as follow:

Height (h) = 92 mForce (F) = 900 N Energy (E) = ?

Energy = Force × height

Energy = 900 × 92

Energy = 82800 J

Thus, we can conclude that the energy is 82800 J

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___Ca2+ + ___O2 ---> Cr2O3

Answers

Answer:

Balancing chemical equations is my priority!! :-)

[tex]Ca_{2}[/tex] + [tex]O_{2}[/tex] = [tex]Ca_{2} O_{3}[/tex]

On both sides Calcium (Ca) is balanced ( 2 and 2 )

Then Oxygen (O) is 2 on the reactant side and 3 on the product side.

Divide the subscripts (product subscript/reactant subscript) to give 1.5 (3/2)

Because you can't put 1.5 in an equation you multiply everything by 2.

Then it comes [tex]2Ca_{2}[/tex] + [tex]3O_{2}[/tex] = [tex]2Ca_{2} O_{3}[/tex]

Have a wonderful day! :-)

How do the funtions of organelles help keep a cell functioning and could it do its function just as wellif an organell was missing or damage ?

Answers

The functions of organelles help to keep a cell functioning because they generate different products such as proteins in mitochondria required to maintain cell homeostasis.

What are the functions of cell organelles?

Cell organelles function as specialized structures within our cells that have specific functions. They are like tiny organs that work together to keep our cells functioning properly such as the nucleus, mitochondria, endoplasmic reticulum, Golgi apparatus, and peroxisomes.

Therefore, with this data, we can see that organelles aid in the upkeep of a cell by creating various substances, like the proteins made in mitochondria, that are vital for cell equilibrium.

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Which kind of cycle is the rock cycle-one with a set path or one with many possible paths? Construct an explanation that describes at least two possible changes to a rock.

Answers

Every rock has its place in the rock cycle. The three processes that change one rock to another are crystallization, metamorphism, and erosion and sedimentation.

What is the rock cycle?

The rock cycle is described as a basic concept in geology that describes transitions through geologic time among the three main rock types: sedimentary, metamorphic, and igneous.

There are many possible paths a rock can take to become different types of rock, and that is because there is no needed path for a rock to change in form.

WE can explain more using the example that a metamorphic rock can become sedimentary rock by erosion and deposition, but the original metamorphic rock was not ever igneous rock.

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What is the original concentration of a Sulfuric Acid Solution with a pOH of 12. 43??

Answers

The original concentration of the sulfuric acid solution is  0.0044

To find the original concentration of a sulfuric acid solution with a pOH of 12.43, you would need to use the relationship between the acidity of a solution and its pH. The pH of a solution is defined as the negative logarithm of the hydrogen ion concentration (pH = -log[H+]). The pOH of a solution is defined as the negative logarithm of the hydroxide ion concentration (pOH = -log[OH-]). Since the pH and pOH of a solution are related by the equation:

pH + pOH = 14

Given the pOH of 12.43, then you can calculate the pH as :

pH = 14 - pOH

pH = 14 - 12.43 = 1.57

The original concentration of the sulfuric acid solution is 10^(-pH)

[H+] = 10^(-1.57) = 0.0044.

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which chemical pathway appears to be important both in some types of psychotic behavior and in the reinforcing properties of various drugs?

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The chemical pathway appears to be important both in some types of psychotic behavior and in the reinforcing properties of various drugs is  Mesolimbic dopamine pathway.

The reinforcing and addictive qualities of substances like nicotine are greatly influenced by the mesolimbic dopamine system.

Dopamine serves a variety of functions and is both a neurotransmitter and a hormone.

These mesolimbic pathways aid in the distribution of dopamine throughout the body. The nucleus accumbens receives dopamine from the ventral tegmental region via the mesolimbic dopamine pathways.

Dopamine produces a sense of reward and pleasure in the nucleus accumbens.

Dopamine flows from the ventral tegmental region to the nucleus accumbens anytime there is a sense of rewarding or pleasurable stimuli. Dopamine provides a sense of positive feeling, which leads to addictive behavior ( ie, drugs).

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which bonds are covalent bonds? question 19 options: a) peptide bonds b) glycosidic bonds c) phosphodiester bonds d) all of these choices are correct.

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Peptide bonds, glycosidic bonds, phosphodiester  bonds are covalent bonds.

A covalent bond is formed by the equal sharing of electrons by two atoms.

The bond which is  formed between the first carbon atom of one monosaccharide with the four carbon atoms present in the neighboring monosaccharide unit and, which results in the formation of a polysaccharide unit is known as a Glycosidic bond.  In the formation of this bond, a water molecule is released as a by-product.

A covalent bond which is formed between the carboxyl group of one amino acid and the amino group of the neighboring amino acids, is known as a peptide bond. This bond formation involves release of a water molecule as a by-product.

The phosphate-hydroxyl linkage present between two nucleotides where the phosphate group is attached to the hydroxyl group(OH) at the 5'-carbon of pentose sugar is bonded to the hydroxyl group of the 3'-carbon of the pentose sugar present in the next neighboring nucleotide. This bond  is known as a phosphodiester bond.

Thus, option (d) is correct

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methyl isocyanate reacts with strong acids, such as sulfuric acid, to form a cation. for protonation on , which resonance contributor is most important?

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The resonance contributor that is most important for protonation in methyl isocyanate is the one in which the nitrogen atom is double-bonded to the carbon atom, and has a formal positive charge, this is called a carbocation or a carbenium ion.

This resonance contributor is considered the most important because it shows the nitrogen atom with the greatest electron density, making it more susceptible to protonation.

In the reaction of methyl isocyanate with strong acids, such as sulfuric acid, the protonation occurs on the nitrogen atom of the molecule. The protonation process is determined by the relative acidity of the nitrogen atom and its electron-withdrawing groups, and thus the resonance contributor that is most important for the protonation is the one that shows the nitrogen atom with the greatest electron density.

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an aqueous sodium acetate, nac2h3o2 , solution is made by dissolving 0.195 mol nac2h3o2 in 0.750 kg of water. calculate the molality of the solution.

Answers

The molality of  solution is 0.26 mol/kg

Molality is defined as "The ratio of the number of moles of solute present in a solution to the mass of the solvent in kilograms".

The unit that is used to represent molality is mol/kg.

The formula used to calculate molality is given below:

Molality = moles of solute/ mass of solvent in kg-----> (i)

Here,

Given values:

Moles of NaC₂H₃O₂ (solute) = 0.195mol

Mass of solvent (water) = 0.750 kg

Putting these values in equation (i), we get-

Molality

= 0.195 mol/0.750 kg

=0.26 mol/kg

Hence, the molality of  solution is 0. 26 mol/kg

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calculate the molarity of a solution by dissolving 10.0 g of al(no 3 )3 in enough water to make 250.0 ml of solution.

Answers

The molarity of the solution by dissolving the 10.0 g of Al(NO₃)₃ in the enough water to make 250.0 ml of solution is 0.184 M.

The mass of the  Al(NO₃)₃ = 10 g

The molar mass of Al(NO₃)₃ = 212.9 g/mol

The number of moles = mass / molar mass

                                     = 10 / 212.9

                                     = 0.046 mol

The volume of the solution = 250 mL = 0.250 L

The molarity expression is :

Molarity = moles / volumes in L

Molarity = 0.046 / 0.250

Molarity = 0.184 M

Thus, the molarity of the Al(NO₃)₃ solution is 0.184 M  with the volume of  the 250 mL.

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a concentrated aqueous solution of sulfuric acid (h2so4) has a density of 1.509 g/ml and contains 10% sulfuric acid by mass. calculate the molality of sulfuric acid.

Answers

Molality of sulfuric acid is 1.1.

As we know that density of solution = 1.509 = mass of solution \ Volume.

10% of [tex]H{_2}SO_4[/tex] by mass,

[tex]\frac{10}{100} \times 1.509[/tex] v (g)

As the mass of solvent [tex]=\frac{90}{100}\times 1.509 V(g)[/tex]

98 g of [tex]H{_2}SO_4[/tex] contains moles = 1,

[tex]\frac{10 \times 1.509 V g}{100}[/tex] of [tex]H{_2}SO_4[/tex] contains moles = [tex]\frac{1.509 .v}{10 \times 98}[/tex] moles

Molality = moles of solute/ Mass of solvent (kg)

             =[tex]\frac{1.509 \times 100 \times 1000}{10 \times 98 \times 1.509 .V (kg)}[/tex]

             = 1.1

Hence, the Molality of sulphuric acid is 1.1.

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A body is accelerated continuously. What is the form of the graph?
A. cubic
B. inverse
C. linear
D. quadratic

Answers

Answer:

B: Inverse

Explanation:

The answer is B. inverse

Bromine is found in group 17 and period 4. What does this tell you?
A. It has 7 valence electrons and 4 electron shells.
B. It has 17 valence electrons and 4 electron shells.
C. It has 4 valence electrons and 7 electron shells.

Answers

Answer:

A

Explanation:

it has 7 valence electrons and 4 electron shells.

Part (a)



The number of protons of bromine is 35.

The number is the atomic number of bromine and is normally shown as a superscript to the left of the elemental symbol in the periodic table.



Part (b)



For a neutral bromine atom, the number of electrons is 35 as well.

The number matches the atomic number in part (a).



Part (c)



The number of valence electrons of bromine is 7.

The number is the group number i.e. bromine is in group 7 of elements in the periodic table.



Part (d)



The number of electron shells of bromine is 4.

The number is the period number i.e. bromine is in the 4th period (row) of the periodic table.

Suppose you had four colors of modeling clay. What steps could you take to make a model of the colorful rock found on Crete? Describe the forces you would use in the process

Answers

It is crucial to remember that the finished output will be a model rather than an exact reproduction of the rock. The final sculpture will be an artistic depiction of the rock utilising the colours of clay you have on hand.

You would need to follow these procedures to create a replica of the vibrant rock seen in Crete using modelling clay: The modelling clay should be divided into four equal pieces, each of which should be coloured differently. Each colourful piece of clay should be rolled and flattened into a thin sheet using your hands. As desired, mix the colours together. To mould and shape the layered clay into the desired rock shape, use little pressure. On the rock's surface, use a tool to add textures and features. Physical force, such as pressing and sculpting the clay with your hands and tools, and cohesive forces between the clay particles are the major forces employed in this procedure.

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4NH3 +5O2→4NO+6H2O (Run at constant temperature and pressure)

If 3.20 liters of ammonia gas are reacted, how many liters of oxygen gas are consumed?

a
3.20 L O2

b
4.00 L O2

c
2.56 L O2

Answers

If 3.20 liters of ammonia gas reacts, the amount of oxygen gas that will be consumed is 4L of oxygen gas (option B).

How to calculate volume using stoichiometry?

Stoichiometry refers to the quantitative relationship between the reactants and products of a specific reaction or equation.

According to this question, ammonia gas reacts with oxygen gas to produce nitrogen oxide and water as follows:

4NH₃ + 5O₂ → 4NO + 6H₂O

Based on the above equation, 4 moles of ammonia gas reacts with 5 moles of oxygen gas.

This means that 3.2 litres of ammonia gas will react with 3.2 × 5/4 = 4 litres of oxygen gas.

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estimate the specific gravities (gas) for methane and propane. their molecular weights are shown inside the back cover or in the book appendices. (commercial natural gas and commercial propane are mostly methane and propane, with small amounts of other substances, which may be ignored for this problem.) which is more dangerous, a propane leak or a methane leak? why?

Answers

The specific gravity of methane is 0.554 and the specific gravity of propane is 1.52.

The specific gravity of a gas can be calculated using the formula:

Molecular Weight of Gas / Molecular Weight of Air = Specific Gravity

For methane:

Molecular weight of methane = 16.04 g/mol

Molecular weight of air = 28.97 g/mol

Specific Gravity = 16.04 g/mol / 28.97 g/mol = 0.554

For propane:

Molecular weight of propane = 44.10 g/mol

Molecular weight of air = 28.97 g/mol

Specific Gravity = 44.10 g/mol / 28.97 g/mol = 1.52

A propane leak is more dangerous than a methane leak because propane is heavier than air, so it sinks and can collect in low-lying areas such as basements and crawl spaces, where it can be ignited by a spark or flame. Methane, on the other hand, is lighter than air and tends to rise, making it less likely to accumulate in dangerous concentrations. Additionally, propane is more explosive than methane, so a propane leak can result in a larger and more destructive explosion.

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the complete question is :

Estimate the methane and propane-specific gravities (gas). 16.04 and 44.10 molecular weights respectively. (In commercial natural gas and propane, the main components are methane and propane; minor amounts of other compounds may be disregarded for this issue.) A propane leak or a methane leak, which is more hazardous? why?

what type of intermolecular force forms during the solvation process when a polar molecule like of2 dissolves in water?

Answers

Interactions between ions and dipoles. Ion-Dipole Forces were engaged for solutions in which an ionic chemical is immersed in a polar solvent, for example a table salt (NaCl) water solution.

Ion-dipole intermolecular forces seem to be electrostatic reactions between such a polar molecule as well as an ion that are frequently caused by the dissolution of ionic compounds within polar substances. The attraction here between the negative ends of one polar molecule as well as the positive ends of another polar molecule is known as dipole-dipole forces.

In polar solvents, polar molecules were also soluble (Predominant intermolecular force will be a dipole-dipole attraction between polar solute molecule as well as polar solvent molecule).

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which gas is not an example of a naturally occurring greenhouse gas?

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nitrogen and chloro fluro carbon gas is not an example of a naturally occurring greenhouse gas

Water vapour, carbon dioxide, methane, nitrous oxide, and ozone are examples of naturally occurring greenhouse gases. Hydro-fluorocarbons (HFCs), perfluorocarbons (PFCs), and sulphur hexafluoride (SF6) are examples of artificial greenhouse gases that are produced via a number of industrial operations. Carbon dioxide, methane, ozone, nitrous oxide, chlorofluorocarbons, and water vapour are some examples of greenhouse gases. The gas that is not a greenhouse gas is therefore nitrogen. The different greenhouse gases include nitrous oxide, water vapour, ozone, chlorofluorocarbons, methane, and chlorofluorocarbons. Infrared light cannot pass through oxygen or nitrogen, hence they are not considered greenhouse gases. These molecules are invisible because stretching one of them has no effect on the electric field. These symmetric molecules are composed of two identical atoms whose electric fields simply cancel one another out.

which gas is not an example of a naturally occurring greenhouse gas?

1. nitrogen

2.cholrofluoro carbons

3. oxygen

4. carbondioxide

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Magnesium ribbon reacts with an aqueous solution of copper(ll) chloride in a single-replacement reaction. Which are the products of the balanced net ionic equation for the reaction?

Answers

The reaction between magnesium metal and copper chloride produce magnesium chloride precipitate and copper. The net ionic equation of the reaction is given below:

[tex]\rm Mg(s) + 2Cl (aq) \rightarrow MgCl_{2} (s)[/tex]

What is ionic equation?

The ionic equation of a reaction shows all the ions participate in the reaction and their states specified in brackets. The net ionic equation represents the balanced charges in both side of ionic equation.

The balanced equation of the  given reaction is written as follows:

[tex]\rm Mg(s) + CuCl_{2} (aq) \rightarrow MgCl_{2} (s) + Cu(aq)[/tex]

Here, the copper ions are in aqueous state in both side of the reaction and they get cancelled in the net ionic equation.

Therefore, the net ionic equation represents the formation of the solid precipitate MgCl₂ as written in the reaction above.

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a solution of formic acid (hcooh) has a ph of 2.29. how many grams of formic acid are there in 100.0 ml of solution?

Answers

There are 593.4 grams of formic acid in 100.0 mL of a solution of formic acid (HCOOH) that has a pH of 2.29.

To calculate the grams of formic acid in 100.0 mL of solution, three procedures are performed:

Calculation of the molar concentration of the formic acid solutionCalculation of the number of moles in the 100 ml of formic acid solutionConversion from moles to grams

Calculation of the molar concentration of the formic acid solution

To calculate the concentration of a solution as a function of pH, the following formula is used:

pH = - log [H3O+]

where [H3O+] is eliminated

2.29 = - log [H3O+]

log[H3O+] = -2.29

10-2.29 = [H3O+]

[H3O+] = 129M

Calculation of the number of moles in the 100 ml of formic acid solution

Then the number of moles in 100 ml of solution is calculated.

If in 1000 ml of solution there are 129 moles of formic acid

So in 100 ml of solution there are x moles of formic acid

X mole of formic acid = 100 ml x 129 moles / 1000 ml

X moles of formic acid = 12.9

Conversion from moles to grams

Then with the molecular weight of formic acid (46 g/mol) the grams of this compound in 100 ml of solution are calculated.

If in 1 mole of formic acid there are 46 grams of compound

So in 12.9 moles there are x grams of compound

X g of formic acid = 12.9 mol x 46 g / 1 mol

X g of formic acid = 593.4

Therefore, in 100.0 mL of solution there are 593.4 g of formic acid.

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How many moles of hydrogen are produced if reacted with 0.605 moles of sodium in this reaction?
2Na + 2 H2O → 2 NaOH + H2

Answers

The number of moles of hydrogen produced if reacted with 0.605 moles of sodium in the reaction is 0.3025 moles.

How to calculate number of moles?

Stoichiometry is the study and calculation of quantitative (measurable) relationships of the reactants and products in chemical reactions (chemical equations).

According to this question, sodium reacts with water to produce sodium hydroxide and hydrogen gas as follows:

2Na + 2H₂O → 2NaOH + H₂

Based on the reaction above, 1 moles of hydrogen is produced by the reaction of 2 moles of sodium.

Hence, 0.605 moles of sodium will react to produce 0.3025 moles of hydrogen.

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what mass of percipiate will from 25 ml of 1.5 molar copper ii sulfate sol reacts with 35 ml .75 potassium hydroxide

Answers

The mass of precipitate will from when 25 ml of 1.5 M copper(II)
sulfate solution reacts with the 35 ml 0.75 M potassium hydroxide is 2.53 g.

The balanced chemical equation is :

CuSO₄(aq)   +  2KOH(aq)   ----->   K₂SO₄(aq)   +  Cu(OH)₂(s)

The moles of CuSO₄ = 1.5 × 0.025

                                    = 0.037 mol

The moles of KOH = 0.75 × 0.035

                               = 0.026 mol

The KOH is the limiting reactant.

1 mole of the KOH produces the 1 mole of Cu(OH)₂

Moles of Cu(OH)₂ = 0.026 mol

The mass of Cu(OH)₂ = moles × molar mass

                                    = 0.026 × 97.5

                                    = 2.53 g

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a smartfood package indicates that one 17.7 g serving contains 51% carbohydrates. which conversion factor best represents this information?

Answers

The conversion factor that best represents the information provided in the smartfood package is grams of carbohydrates per gram of serving.

 

The package states that one 17.7 gram serving contains 51% carbohydrates, which can be converted to grams by multiplying the percentage by the total weight of the serving. So, 51% of 17.7 grams is approximately 9.09 grams of carbohydrates per serving. To express this as a conversion factor, it would be written as 9.09 grams of carbohydrates per gram of serving. This conversion factor can be used to convert the number of grams of carbohydrates in other serving sizes of the same food.

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which compound can provide the energy for chemosynthesis?(1 point) responses water water hydrogen sulfide hydrogen sulfide carbon dioxide carbon dioxide oxygen

Answers

The compound can provide the energy for chemosynthesis is the carbon dioxide.

The Chemosynthesis is the process in which the certain microbes will create the energy by mediating the chemical reactions. so that  the animals that live around the hydrothermal vents will make their living from the chemicals that are coming out of the seafloor. The energy stored in the bundles or the packets is known as the photon. The compound can provide the energy for chemosynthesis is the carbon dioxide and the photons.

Thus, The compound carbon dioxide can provide the energy for chemosynthesis. Therefore the correct , option C is correct.

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what the state that best describes most enzymatic reaction reaction results observed in the biochemical testing of microbial specimens if there is sufficient evidence to reject the null hypothesis, we conclude that the alternate hypothesis is trueif there is not sufficient evidence to reject the null hypothesis, we conclude that the null hypothesis might be true, but we never conclude that the null hypothesis is true suppose we know that . does it follow that ? if it does, give a proof that is valid in ; otherwise, give a counterexample (i.e., a specific set of vectors , , and for which but ). 50 grams of ice at -20C is placed into a glass of water with 500 g of water at20 C and sealed in styrofoam such that no energy gets in or out. After 10hours what is the temperature of the liquid in the glass? Round to nearestdegree.Specific heat of water is 4.18 J/(gC) Conoces a la maestra de historia? 5) A tech support staffer receives a phone call from a customer who says that the web page looks odd to themsome of the text is appearing on top of other text. Which of these is the staffer most likely to suggest?A) try changing the HTMLB) try changing the JavaScriptC) try using a different web browserD) try using a different SEO Find the reflection of point A over the y-axis.A (-3,-9) que es la defenicion de ajeno What is the midpoint to this line segment? what are the roles and differences of ligaments, tendons, and cartilage? Suppose the inflation rate over the last 20 years has been 10 percent in Great Britain, 7 percent in Japan, and 3 percent in the United States. If purchasing-power parity holds, which of the following statements is true? Over this period,a. the value of the dollar should have fallen compared to the value of the pound and the yen.b. the yen should have risen in value compared to the pound and fallen compared to the dollar.c. the yen should have fallen in value compared to the pound and risen compared to the dollar.d. the value of the pound should have risen compared to the value of the yen and the dollar.e. None of the above is true help plsCalculate the volume in mL of a 1.420 M NaOH solution required to titrate the following solutions:(a) 25.00 mL of a 2.430 M HCI solution(b) 25.00 mL of a 4.500 M H2SO4 solution(c) 25.00 mL of a 1.500 M H3PO4 solution which of the following are actions and/or steps that can be taken to avoid leaks and disclosures when handling sensitive data? if distance between points p(3,a) and q(3,1 is 4 units find the value of a How did the labour government defeat Winston Churchhill?DUE TOMORROW If you make a symbol that will represent the vocal music of cordillera, mindoro, palawan, and visaya what would it be ? and why? graph y=|x+4|Please help!! maben company was started on january 1, year 1, and experienced the following events during its first year of operation: acquired $32,000 cash from the issue of common stock. borrowed $44,000 cash from national bank. earned cash revenues of $60,000 for performing services. paid cash expenses of $51,000. paid a $2,200 cash dividend to the stockholders. acquired an additional $32,000 cash from the issue of common stock. paid $11,000 cash to reduce the principal balance of the bank note. paid $49,000 cash to purchase land. determined that the market value of the land is $69,000. phillipe established a revocable living trust naming himself, his spouse, and his two children as income beneficiaries, and his grandchildren as remainder beneficiaries. he funded the trust with $300,000. what is the value of this trust for gift tax purposes? a) $255,000 b) $270,000 c) $300,000 d) $0 States with a history of _____ that have not connected into a state's culture are more likely to see devolution occur. ?