In a triple bond, three pairs of electrons are shared between two atoms. Based on this information, draw the hydrogen atoms so that each carbon atom has four bonds. Then record the number of hydrogen atoms you drew using a text box.

so basically maybe you should

Answer:

As you travel away from the Earth's surface, your mass stays the same but your weight reduces as gravitational pull decreases. For example, an astronaut orbiting the Earth and floating weightlessly in the cabin still has the same mass.

Explanation:

The chemical reaction is fe2+ Pt(s) ∣ fe3+ (aq) ∣∣cr2O²-7(aq),cr+3(aq) ∣ Pt(s)

Reaction where particular set of chemicals changes into another form without changing their nuclei just the transfer or sharing of electrons and formation and breaking of bonds is called as chemical reaction.

cr-2 7​ (aq)+ 14H+(aq)+ 6fe2+(aq)⟶6fe+3(aq)+2cr+3 (aq)+7h2 O(l)

Here,  cr+6 2 02-7  (aq) is reduced to  cr+3  (aq)

& fe+2 (aq) is oxidized to fe+3 (aq)

Reducing takes place at cathode & oxidation takes place at anode.

The cell is represented by anode on the left hand side of electrolyte bridge & cathode on the right hand side of electrolyte bridge.

∴  It can be represented as :

Pt(s) ∣ fe 3 + (aq)fe2+ (aq) ∣∣ cr2 o2-  7(aq),cr+3 (aq) ∣ Pt(s)

The complete question is : The cell reaction cr2 O2(aq)+14H+aq)+ 6fe2+(aq)→ 6fe3+(aq)+ (aq)+7H2 O(l), is best represented by:

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Answer:

Radon, Bismuth, Lead, and Thallium

Explanation:

Its from smallest to largest. Hope it helps!

Here the substance is water. So, we need to know the value of specific heat capacity of water to solve this question.

The specific heat capacity of water is 4.18 J/g° C.

This is the heat required to increase the temperature by one degree Celsius. To increase the temperature by 20 degree C, the heat required will be 2 times of 4.18 J/g° C.

The heat required to raise the temperature of n grams of a substance by m0C will be,

Let us rewrite the equation as,

q = mc Δ t

Where q is the heat required, m is the mass of the substance, c is the specific heat capacity of the substance and Δ t is the temperature difference.

Given that,

m = 200g

Δ t = 55° C – 35° C = 20° C

c = 4.18 J/g° C

Let us substitute the values:

q = 200*4.18*20

Hence the heat required is 16720J.

Converting it to kJ, the heat required to raise the temperature of 200 grams of water from 55° C to 35° C is 167 KJ.

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The number of food Calories (Cal) that are in the package of M&M's are

431000 Joules.

When we measure the temperature change of the calorimeter, we may use this equation to compute the heat released by a sample because the calorimeter is an instrument for which we are aware of (or can ascertain) its heat capacity.

When a liquid absorbs or loses energy, the temperature of the liquid varies.

In accordance with the formula

Q= mCΔT

m = 200g

ΔT = 550 - 35

ΔT = 515

C = 4.182 J/kg °C

Q is equal to 200 * 4182 * 515

Q = 430746 Joules.

Water has a 4,200 J/kg°C (joules per kilogram per degree Celsius) specific heat capacity. This indicates that 4,200 J are required to increase the temperature of 1 kilogram of water by 1°C.

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Answer:

Explanation:The electronic configuration of Oxygen is 1 s 2 2 s 2 2 p 4 .

1s²2s²2p⁶ is a reasonable electron configuration. Therefore, the correct option is option D.

The arrangement of an atom's or molecule's (or other physical structure's) electrons in their atomic or molecular orbitals is known as the electron configuration in atomic physics or quantum chemistry. For instance, the neon atom's electron configuration is 1s2 2s2 2p6, which means that 1, 2 and 6 electrons, respectively, are present in each of the 1s, 2s, and 2p subshells.

According to electronic configurations, each electron moves individually within an orbital while being surrounded by an average field produced by all other orbitals. Slater determinants and configuration state functions are used to mathematically describe configurations. 1s²2s²2p⁶ is a reasonable electron configuration.

Therefore, the correct option is option D.

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Ideal gas law is valid only for ideal gas not for vanderwaal gas. Therefore, the volume of gas will be collected for the complete reaction of 24.23 g of NiO is 4.19L.

Ideal gas equation is the mathematical expression that relates pressure volume and temperature. There is no force of attraction between the particles.

Mathematically the relation between Pressure, volume and temperature can be given as

PV=nRT

where,

P = pressure of gas sample

V= volume of gas sample

n =number of moles of gas sample

T =temperature of gas

R = Gas constant = 0.0821 L.atm/K.mol

Substituting all the given values, we get

Molar mass of NiO=74.6928g/mol

mass of NiO= 24.23 g

Number of moles of NiO =0.324

From reaction the molar ratio between NiO and O[tex]_2[/tex] is 2:1

Number of moles of O[tex]_2[/tex] =0.16moles

applying ideal gas equation

0.98atm×V =0.16× 0.0821×313

V =4.19L

Therefore, the volume of gas will be collected for the complete reaction of 24.23 g of NiO is 4.19L.

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Variations in the solar resource are probably the first and main consideration. You can use local weather stations where available, otherwise satellite data (eg from NASA's website) or commercial databases such as Meteonorm. Also there is quite a comprehensive set of data files in the SAM software

Other important considerations are

local environment: plants and animals that could be affected by the system; community support and buy-in.wind, hail, rain, snow profile for the location in question. if there are high/tropical winds then it will increase the plant cost.flight paths and roads near the plant which could be affected by glint and glareproximity to a local town where staff will be able to live both during construction and later during operationproximity to a electricity transmission line with available capacityavailability of water for mirror cleaning and steam blowdown.cost (and availability) of electricity in the area. If remote, electricity/energy may be very expensive, which will enable a high price for electricity sold from the plant.quality of road to the plant, required to bring equipment and materials to sitepolitical stability of the region -- potential impact on perceived bankability of the project.

Many of these items will have a large influence on the cost of the plant and/or the revenue it will generate during its life. Others relate to environmental and risk factors and are also critically important to consider.

Hope this helps!!

Alcohol iodide nucleophile Is identified as  the alkyl iodide and the nucleophile that would be used.

Nucleophile is defined as a chemical species that provides an electron pair to create a chemical bond in response to an action. A nucleophile typically has one electron pair and is negatively charged or neutral.

Alcohols with alkyl halides of hydrogen. Alcohols often undergo a nucleophilic substitution reaction to produce an alkyl halide and water when exposed to HBr or HCl. Alkanes and alcohols can be converted into alkyl halides through a nucleophilic substitution process.

Thus, alcohol iodide nucleophile Is identified as  the alkyl iodide and the nucleophile that would be used.

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Answer:

varying altitude and latitude create unequal heating of Earth's atmosphere

Explanation:

the higher you are, the colder it is(most of the time)

and latitude determines how close you are to the poles, the closer the cooler

The mass of [tex]CO_2[/tex] that will be produced when 25.0 g of [tex]C_8H_{18[/tex] reacts completely in the equation would be 154.035 g.

From the balanced equation of the reaction which goes thus:

[tex]C_8H_{18} + 25 O_2 -- > 16 CO_2 + 18 H_2O[/tex]

The mole ratio of [tex]C_8H_{18[/tex] that reacts and the [tex]CO_2[/tex] that is produced is 1:16.

Recall that: mole = mass/molar mass

The molar mass of [tex]C_8H_{18[/tex] is 114.23 g/mol

Mole of 25.0 g  [tex]C_8H_{18[/tex] = 25/114.23

                                     = 0.22 mol

Since the mole ratio is 1:16, the moles of [tex]CO_2[/tex] that will be produced by 0.22 mol of [tex]C_8H_{18[/tex] would be:

0.22 x 16 = 3.50 mol

The molar mass of [tex]CO_2[/tex] is 44.01 g/mol, thus, the mass of 3.50 mol of the gas can be determined as:

Mass = mole x molar mass

         = 3.5 x 44.01

         = 154.035 g

In other words, the mass of [tex]CO_2[/tex] that will be produced when 25.0 g of [tex]C_8H_{18[/tex] reacts completely in the equation would be 154.035 g.

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A rhombus is a quadrilateral with all the sides of equal measurements. Therefore, the value of x, y, and z are 45, 7, and 7, respectively.

A rhombus is a quadrilateral with all the four sides having equal measurements. The opposite sides are parallel to each other which gives it the shape of a kite.

The value of x, y, and z can be calculated as all the sides have equal value.

x - 5 = 6y -2 = 5z + 5 = 40

Therefore, on solving each equation separately we get.

x - 5 = 40

x = 40 + 5

x = 45

6y - 2 = 40

6y = 40 + 2

6y = 42

y = 42/ 6

y = 7

5z + 5 = 40

5z = 40 - 5

5z = 35

z = 35/ 5

z = 7

Therefore, the values of x, y, and z are 45, 7, and 7, respectively.

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Answer: none

Explanation:none

In the given diagram of photosynthesis:

1. Carbon dioxide CO₂

2. Glucose C₆H₁₂O₆

3. ATP

Photosynthesis can be described as a process by which phototrophs convert light into chemical energy. This chemical energy is stored in the form of sugars, which are generated from water and carbon dioxide.

Photosynthesis reaction involves carbon dioxide and water which yield two products oxygen and glucose. Therefore, the photosynthesis reaction is said to be an endothermic reaction.

[tex]6CO_2 + 6H_2O \longrightarrow C_6H_{12}O_6 + 6O_2[/tex]

Photosynthesis takes place when plants use light energy to transform carbon dioxide gas and water into glucose and oxygen gas. Each chloroplast in plants contains a green-colored pigment known as chlorophyll. Sunlight is absorbed by chlorophyll whereas carbon dioxide and oxygen enter via the tiny pores of the stomata of leaves.

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The  spontaneous reaction among the given reactions is :

Spontaneous reactions are reactions that can proceed on their own without the addition of energy from an external source.

The free energy change of spontaneous reactions must be less than zero.

This implies that the energy change in a spontaneous reaction favors the formation of products and the reaction will proceed to product formation without an external source of energy supply.

Considering the given reactions:

The reaction that will be spontaneous is one that favors product formation.

Berylium is more reactive than Tin, hence, the reation below is spontaneous.

Be(s) + Sn²⁺ (aq) ---> Sn(s) + Be²⁺ (aq)

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Answer:

Explanation:

Dimensional analysis, using mole ratio from the balanced reaction: (7.63 mole CuO) * (1 mole N2 /3 mole CuO) = 2.54 mole N2

On the decomposition of 2.60 moles of hydrogen peroxide, 254.8 KJ energy will be released.

A decomposition reaction can be defined as a reaction in which a chemical compound breaks down into two or more simple compounds. The general form  to express a decomposition reaction is:

AB    →   A   +    B

Most decomposition reactions accept energy in the form of heat, radiation, or electricity. The decomposition reaction of hydrogen peroxide is shown below:

2H₂O₂(l)    →   2H₂O (l)  +  O₂(g)                        ΔH = - 196 KJ/mol

2 moles of  hydrogen peroxide decomposes energy released = 196 KJ

2.60 of H₂O₂  decomposes energy released = 196 ×2.60/2 = 254.8 KJ

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The balanced chemical equation is 3 Sr(OH)₂ + Al₂(SO₄)₃[tex]\rightarrow[/tex] 3 SrSO₄ + 2 Al(OH)₃.

Chemical equation is a symbolic representation of a chemical reaction which is written in the form of symbols and chemical formulas.The reactants are present on the left hand side while the products are present on the right hand side.

The first chemical equation was put forth by Jean Beguin in 1615.By making use of chemical equations the direction of reaction ,state of reactants and products can be stated. In the chemical equations even the temperature to be maintained and catalyst can be mentioned.

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The two main postulates that was given by Antoine Lavoisier are, oxygen play an important role in combustion and the other is mass of the reactant and product is conserved. Therefore the mass of HF is 28grams.

According to Law of conservation of mass, mass can neither be created nor be destroyed. Mass can only be transformed from one form to another. The law of conservation of mass was given by Antoine Lavoisier. Every reaction in nature follow the law given by Antoine Lavoisier that is mass is always conserved.

H[tex]_2[/tex] + F[tex]_2[/tex] → 2HF

Mass of  H[tex]_2[/tex]=8Grams

mass of F[tex]_2[/tex]= 20grams

According to law of conservation f mass

mass of H[tex]_2[/tex] + mass of F[tex]_2[/tex]   = mass of HF

Substituting all the given values, we get

8grams + 20grams =mass of HF

mass of HF=28grams

Therefore the mass of HF is 28grams.

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89.08 g/mol is the molar mass of an unknown gas with a density of 14.1 g/L at 4.00 atm and 35.0 °C.

We know that

PV=nRT.

where,

P = Pressure of the gas

V = Volume of the gas

n = Mole

Mole = Given mass/Molar mass

= m /Mw

R = Real gas constant = .08205 L atm/mole k

T = temperature

Now,

PV = mRT/Mw

Mw= mRT/PV. ( m/V=density)

Mw = dRT/P

Mw = 14.1 g/L × 0.08205 × 308/4

Mw = 89.08 g/mol

Hence we can say that Molar mass is 89.08 g/mol.

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Answer:

no. of H = 10

no. of C = 4

C4H10

Each sentence about the bioavailability of minerals in foods should be completed with either increases or decreases as follows:

Nutrients can be defined as the chemical compounds (substances) or minerals that are present in food, and they are needed by the body of a living organism for healthy growth, reproduction, development, proper functioning, and reproduction.

In Science, there are five (5) main classes of nutrients and these include the following:

In conclusion, phytic acid, oxalic acid, and refinement of grains are factors that decrease the bioavailability of minerals in foods while Vitamin C and Vitamin D increases the bioavailability of minerals in foods.

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Explanation:

no. of H atoms is 12..

no of C atoms is 5....

all the C atoms are sharing a bond with each other and so are H atoms...

Photosynthesis may help reduce global warming because the carbon dioxide is consumed during the process.

Global warming has to do with an increase in the average global temperature brought about by the increase in the concentration of greenhouse gases in the atmosphere.

The greenhouse gases form a layer that traps reflected solar radiation in the atmosphere. They prevent these radiations from returning back to space and consequently, the temperature of the planet keeps increasing. The more the concentration of these gases in the atmosphere, the more the warming increases.

Carbon dioxide gas represents a major component of greenhouse gases and has been the main culprit in global warming.

During photosynthesis, carbon dioxide is utilized by green plants to make carbohydrates. Thus, photosynthesis remains a major way through which the concentration of carbon dioxide in the atmosphere can be reduced and consequently reduce global warming.

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1. The name of the reaction is double displacement reaction

2. Aluminum (Al) will react with CuCl₂ but not with MgCl₂ because Mg is higher than Al in the electrochemical series

1. How do I know the type of reaction occurring?

To know the type of reaction occurring, we shall write the balanced equation for the reaction. Details below:

MgCl₂ + Na₂CO₃ -> 2NaCl + MgCO₃

From the balanced equation above, we can see clearly that there is an exchange of ions as Na and Mg exchanges and likes Cl₂ and CO₃.

Thus, we can conclude that the reaction is a double displacement reaction

2. Why will Al react with CuCl₂ but not with MgCl₂?

The reactivity of metals is controlled by their position in the electrochemical series.

Metals higher in the electrochemical series are more reactive and will displace the less reactive metals from solution.

The attached photo shows the electrochemical series of metals.

We can see that magnesium, Mg is higher than aluminum, Al in the electrochemical series and as such, Al can not displace Mg from solution.

Thus, we can conclude that Al can not react with MgCl₂ since Mg is higher than Al in electrochemical series.

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No. of moles of Ni = 1.7 mole

No of atoms of Ni = 1.023× 10²⁴ atom

A mole is equivalent to 6.022 × 10²³ units of that material (such as atoms, molecules, or ions). Avogadro's number, or Avogadro's constant, is 6.022 × 10²³

For instance, a mole of carbon-12 atoms weighs 12 grammes. Additionally, a mole of hydrogen atoms weighs 1 gram, but a mole of hydrogen molecules weighs 2 gram.

Given that,

mass of nickel (m) =  100 gm

Now, no. of moles of Ni = mass / molar mass

                                        = 100 gm/ (59 gm/mole)

[ As we know, molar mass of Nickel (Ni) = 59 gm/mole ]

                                        = 1.7 mole

Now, no of atoms = no. of mole × Avogadro's No. ([tex]N_{A}[/tex])

                             = 1.7 mole × 6.022 × 10²³ atom/mole

                             = 10.23 × 10²³ atom

                             = 1.023× 10²⁴ atom

Thus, no. of moles of Ni = 1.7 mole

no. of atoms of Ni = 1.023× 10²⁴ atom

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The mass of the original iridium‑192 remains after 5 days is 1.16 g.

Mass is defined as the body's resistance to acceleration when a net force is applied; a measure of inertia. Gravity and inertia, which are the two main forces influencing how objects move in space, make mass crucial.

Radioactive isotope iridium-192 (Ir-192) is iridium. It is a gamma emitter with a 74-day half-life. 1/4 of the sample will experience radioactive decay in 3.36 days. The substance's decay constant can be found. Subtract ln 2 from the substance's decay constant.

λ = ln2 / T 1/2

λ = ln2 / 5 1/2

λ = 1.16 g

Thus, the mass of the original iridium‑192 remains after 5 days is 1.16 g.

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