in the laboratory, a student adds 51.1 ml of water to 20.1 ml of a 0.659 m hydrobromic acid solution. what is the concentration of the diluted solution? assume the volumes are additive.

The balanced chemical reaction is Al + 3AgNO3 → Al (NO3)3 + 3Ag.

A balanced chemical equation though has the identical number of atoms from every type inside the reaction on both the reactant chemical equation output sides. In a balanced chemical equation, both the mass and the change were equal.

An organic organization may adjust to changes in its surroundings very easily. It is distinguished by low complexity, low centralization, as well as low formalization. A mechanistic organization, on the other hand, is distinguished by great complexity, high centralization, as well as high formalization.

Thus, the balanced chemical reaction will be Al + 3AgNO3 → Al (NO3)3 + 3Ag.

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In the equation, 4 moles of antimony react with 3 moles of oxygen to form 2 moles of antimony oxide. Therefore, when 20 moles of oxygen are present,

20/3 = 6.66 moles of antimony oxide will be formed.

In the given chemical equation, for every 3 moles of oxygen (O2), 2 moles of antimony oxide (Sb2O3) are produced. Therefore, to determine the number of moles of Sb2O3 that will be formed from 20.0 moles of O2, we can use the conversion factor between moles of O2 and moles of Sb2O3. To do this, we divide the number of moles of O2 by the coefficient of O2 on the reactant side of the equation, which is 3. So 20.0 moles O2 / 3, moles O2/1 mole Sb2O3 = 6.66 moles of Sb2O3 will be formed.

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It is a base because in solution it produces two hydroxide anions.

The Arrhenius theory, proposed in 1887 by the Swedish scientist Svante Arrhenius, states that acids dissociate in water to produce electrically charged atoms or molecules known as ions, one of which is a hydrogen ion (H+), and that bases ionize in water to produce hydroxide ions (OH). Acid, according to the Arrhenius theory, is a substance that releases H+ ions when dissolved in aqueous solution. The concentration of H+ ions in the solution rises. The base is a substance that, when dissolved in aqueous solution, ionizes the OH- ion.

Here,

The same logic holds true for the reaction of sulfuric acid and barium hydroxide. This reaction involves an Arrhenius acid, which generates two hydrogen cations in solution, and an Arrhenius base, which generates two hydroxide anions in solution.

It is a base as it generates two hydroxide anions in solution.

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At a gas temperature of 300 K, the average kinetic energy of a hydrogen molecule is equal to that of an oxygen molecule.

A molecule or gas particle's average kinetic energy is proportional to its absolute temperature, and this relationship is represented by the equation [tex]KE_{avg}=\frac{3 k__BT}{2}[/tex]. Here, [tex]k_B[/tex] is used to represent the Boltzmann constant, and T is used to represent the temperature.

In the given situation, the average kinetic energy depends mostly on the gas molecule's temperature and not its type. At the same temperature, [tex]\mathrm{KE_{avg}\;of\;oxygen=KE_{avg}\;of\;Hydrogen}[/tex]. Then, the temperature of hydrogen is also equal to that of the temperature of oxygen. Therefore, [tex]\mathrm{T_{O_2}=T_{H_2}}=\mathrm{300\;K}[/tex].

The required answer is 300 K.

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A process yields 88. 5 mol H2. 88.5 moles of H2 at STP have a volume of 24,564.8 L (24.564 m3). A system's volume is a crucial and detailed parameter for defining its thermodynamic state.

The Ideal Gas Law, which says that PV = nRT, may be used to determine the volume of a gas at standard temperature and pressure (STP), where P is the pressure, V is the volume, n is the number of moles, R is the ideal gas constant, and T is the temperature. The temperature and pressure are both equal to 1 atm at STP (273.15 K).

Therefore, we can apply the following calculation to get the volume of 88.5 moles of H2 at STP:

V = nRT / P

V is equal to (88.5 mol) x (8.314 J/mol K) x (273.15 K) /. (1 atm)

V = 24,564.8 L

Therefore, at STP, 88.5 moles of H2 have a volume of 24,564.8 L (24.564 m3).

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The atomic size is determined by the interaction of these two factors, the amount of protons and the shielding effect.

The subatomic particles known as electrons orbit the atomic nucleus of an atom and are negatively charged. They are one of the basic building blocks of matter.

The atomic radius, also known as the separation between the nucleus and the outermost electrons, determines the size of an atom.

The number of protons in the nucleus, which defines the atomic number and, consequently, the number of electrons in the atom, as well as the electrons' energy level, are two parameters that have an impact on the atomic radius.

Because more electrons will occupy higher energy levels farther from the nucleus as the number of electrons grows, atoms with more electrons will typically have a bigger atomic radius than atoms with fewer electrons.

However, the amount of protons in the nucleus rises as you move across a period (left to right) in the periodic table, which intensifies the attraction of electrons to the nucleus. The atomic radius decreases as a result of the electrons moving in closer proximity to the nucleus.

Furthermore, as the number of electrons in an atom rises, the shielding effect of inner electrons rises as well. As a result, the outer electron will experience a reduced nuclear charge, which causes the electron to be further away from the nucleus and enlarges the atom.

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The total mass of the products is 21.004 g. The correct option is C.

Observe the balanced equation and use the mol ratios to determine the mols of product (zinc chloride) and hydrogen (hydrogen) produced. Then use the molar mass of zinc chloride and hydrogen to convert mols to grams.

The balanced chemical reaction is given as,

Zn(s) + 2HCl(aq) → ZnCl₂(aq) + H₂(g)

10.0 g Zn x 1 mol Zn / 65.4 g = 0.152 mols of Zn

0.152 mols Zn x 1 mol ZnCl₂ / 1 mol Zn = 0.152 mols ZnCl₂ produced

Convert the mass of zinc chloride into mass.

0.152 mols ZnCl₂ x 136 g / mol = 20.7 g ZnCl₂ produced

0.152 mols Zn x 1 mol H2 / mol Zn = 0.152 mols H₂

Convert the mass of hydrogen into mass.

0.152 mols H₂ x 2 g / mol = 0.304 g H₂ produced

Total mass of the products is 20.7 + 0.304 = 21.004 g

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Answer:

B. greater than 10.0 g

A radioactive kind of the actinium will be left after 132 years if you start with 301,184 grams and the half-life is 22 years is 4706 g.

A radioactive actinium element is 301184 grams and have the half-life of 22 years :

The formula to calculate the half life is;

N(t) = N₀e⁻ˣ

N(t) = amount of substance after the time t

N₀ = initial amount of the substance

x = time

Putting the values, we get

N(t) = 301184(1/2)¹³²/₂₂

N(t) = 301184 (1/2)⁶

N(t) = 4706 g

Thus, the amount of the actinium will be left after the 132 years is 4706 g.

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Answer:

In Explanation

Explanation:

Nonpolar molecules have London Dispersion forces as their only intermolecular force. London Dispersion forces are weak attractive forces that exist between all types of atoms and molecules, including nonpolar ones. These forces are caused by the temporary redistribution of electrons within the molecule, which creates temporary dipoles (uneven distribution of electrons) that can attract other nearby molecules. London Dispersion forces are relatively weak compared to other types of intermolecular forces, such as hydrogen bonding and dipole-dipole interactions, but they can still have a significant effect on the properties of nonpolar molecules, such as their boiling and melting points.

(Please give brainlist)

Answer: Dipole-Induced Dipole Forces

Fuerzas de dipolo inducidas por dipolo

Explanation:

These occur between a polar molecule and a nonpolar molecule, and thus must describe solutions. The polar molecule with a permanent dipole induces a dipole moment in the non-polar molecule. The more polarizable the nonpolar molecule, the easier it is to induce a dipole, and so the greater the interaction.

Espanol:

Estos ocurren entre una molécula polar y una molécula no polar y, por lo tanto, deben describir soluciones. La molécula polar con un dipolo permanente induce un momento dipolar en la molécula no polar. Cuanto más polarizable es la molécula no polar, más fácil es inducir un dipolo y, por lo tanto, mayor es la interacción.

The mass of sulfur dioxide (SO₂) is 64.06 grams, and the mass of sulfur trioxide (SO₃) is 160.12 grams.

To calculate the masses of SO2 and SO3 in this mixture, we need to use the balanced chemical equations for the reactions and the information about the total mass of products. First, we can calculate the number of moles of sulfur that was burned by dividing the mass of the sample by its molar mass:

25,000 g / 32.06 g/mol = 777.7 mol

Next, we can use the balanced equations to determine the stoichiometry of the reactions. From the first equation, we know that 1 mole of sulfur (S) reacts to form 1 mole of sulfur dioxide (SO₂):

1 mol S + 1 mol O₂ → 1 mol SO₂

From the second equation, we know that 2 moles of sulfur (S) reacts to form 2 moles of sulfur trioxide (SO₃):

2 mol S + 3 mol O₂ → 2 mol SO₃

By using the information from the balanced equations and the number of moles of sulfur, we can find the number of moles of SO2 and SO3 that are formed:

SO₂: 1 mol S × (1 mol SO₂ / 1 mol S) = 1 mol SO₂

SO₃: 2 mol S × (2 mol SO₃ / 2 mol S) = 2 mol SO₃

Finally, we can use the number of moles of SO₂ and SO₃ to find the masses of SO₂ and SO₃ in the mixture:

SO₂: 1 mol × (64.06 g/mol) = 64.06 g

SO₃: 2 mol × (80.06 g/mol) = 160.12 g

Therefore, the mass of sulfur dioxide (SO₂) is 64.06 grams, and the mass of sulfur trioxide (SO₃) is 160.12 grams in this mixture.

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Your question seems incomplete, but I suppose the full question was:

"A 25,000 g sample of sulfur is burned. Some of the sulfur reacts to form SO₂: S + O₂ → SO₂ The rest of the sulfur reacts to form SO₃: 2 S + 3 O₂ → 2 SO₃ The total mass of products (SO₂ and SO₃) is 58.723 g. Calculate the masses of SO₂ and SO₃ in this mixture."

The compound that has the molecular formula C₆H₁₀O₅ is the polymer molecule cellulose.

The electrons of the atoms bound together in a compound are represented using a Lewis structure. Between the two bound atoms, electrons are depicted as either dots or lines. The position of the various elements and the type of the relationship is revealed by the structure.

Lewis dot structures also show lone pairs and electron bond pairs.

The given compound whose formula is C₆H₁₀O₅ has a six-membered ring and is cellulose. It is a polymer of glucose. The monomer glucose unit is linked to each other by glycosidic bonds with the elimination of a water molecule.

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The number of grams of NaOH that will react with 507g of FeCl₂ is 320 grams.

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

According to this question, iron chloride reacts with sodium hydroxide to produce iron hydroxide and sodium chloride as follows:

FeCl₂ + 2NaOH → Fe(OH)₂ + 2NaCl

1 moles of FeCl₂ reacts with 2 moles of NaOH

507g of FeCl₂ is equivalent to 507g ÷ 126.751 g/mol = 4 moles

This means that 4 moles of FeCl₂ will react with 8 moles of NaOH.

Mass of NaOH = 40g/mol × 8moles = 320grams.

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The rate of enzyme-catalyzed reactions typically increases as increase in temperature. Therefore, it is possible that the rate of your enzyme-catalyzed reaction will be faster at 30°C than it was at 20°C.

Catalysts can be classified as homogeneous, heterogeneous, or enzymatic. Homogeneous catalysts live in the same phase as the reactants, while heterogeneous catalysts exist in a different phase than the reactants.

Enzyme catalysis is the upsurge in the rate of a process by a biological molecule, an enzyme. Most enzymes are proteins, and most such processes are chemical reactions. Within the enzyme, generally catalysis occurs at a localized site, called the active site.

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When electric current flows in a straight wire, then it generates magnetic field around the wire. Direction of the magnetic field changes, but the strength of the magnetic field stays the same.

If the current changes direction, then the direction of the magnetic field will also change. This is because the direction of magnetic field is determined by the direction of current flow, and when current flow is reversed, then the direction of the magnetic field will also be reversed.

The strength of the magnetic field will remain the same, assuming that  current remains constant. This is because the strength of magnetic field is determined by the magnitude of the current and not its direction.

So, the direction of the magnetic field changes, but the strength of the magnetic field stays the same.

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When two liquids are poured in a container and mixed, the solid that is formed and settles to the bottom of the container is called a precipitate.

Precipitates formed in a chemical reaction are the solid products of the reaction. They are insoluble in nature and exists as ionic solids. They are so formed by the combination of cations and anions when two different liquids are poured together.

Not all aqueous solution mixtures form precipitates. The extent of precipitation depends on certain factors such as temperature, concentration of solution and buffer solutions used.

The precipitates settle at the bottom of the aqueous solution.

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The balanced equations of the reaction are given below:

Overall equation: 2 H_O → H₂O₂ (l)

Equation 1: H_O ---> H_O (g)

Equation 2: H_O (g) → H₂O₂ (g)

Equation 3: H₂O₂ (g) → H₂O₂ (l)

A balanced equation is an equation of a chemical reaction in which the number of moles of atoms for all the elements in the reaction is equal on both sides of the reaction.

A balanced chemical equation is obtained from the law of conservation of matter that states matter can not be created or destroyed.

Balancing chemical equations involves the addition of numerical coefficients to the reactants and products.

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Since the isoelectric point (pI) of the majority of common amino acids is 7.4, the pH is neutral. The balance of acidic and basic groups on an amino acid determines its pI, which is the pH at which the amino acids

The building components of proteins are amino acids. They consist of an alpha carbon atom in the centre, to which bonds have been formed with amino, carboxyl, hydrogen, and a special side chain (R group). There are 20 different kinds of amino acids with distinct R groups that may be integrated into proteins. A broad variety of interactions between amino acids in a protein are made possible by these R groups, which also give amino acids their distinctive characteristics, such as being hydrophobic or hydrophilic. A protein's three-dimensional shape and function are determined by the amino acid sequence of the protein. In the body, proteins carry out tasks including catalysing metabolic processes, reproducing DNA, reacting to stimuli, and transporting chemicals.

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Answer:

Explanation:

I'm sorry, but I disagree with the statement because the direction of the breeze is not solely determined by the difference in temperature between the land and sea. The direction of the breeze is influenced by a variety of factors such as the pressure system, the prevailing wind patterns and the shape of the land. During the daytime, sea breeze is a common phenomenon, which is caused by the land heating up faster than the ocean, and as the hot air rises, it creates a low-pressure system over the land, drawing in cooler air from the ocean. So, the breeze can blow from the land or sea during the daytime, it's not always blowing from the land.

When two items of different temperatures come into touch with one other, energy is transferred from the hotter (higher temperature) object to the colder (lower temperature) object until both objects reach the same temperature.

Conduction occurs when two materials or objects come into direct touch with one another. The warmer object's molecules vibrate quicker than the cooler object's. The molecules that vibrate faster clash with the molecules that vibrate slower. This causes the colder molecules to vibrate faster, warming the item.

This signifies that the substance's constituent material is a third component.

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By using the pollen from male flowers to fertilize female blooms, the gumamela reproduces.

One variety of hibiscus is the gumamela. Pollination allows the wild hibiscus species to procreate. When pollen from male flowers is spread to female flowers, the process is known as pollination. This is usually done by the wind or other animals. To draw pollinators that will aid in reproduction, large, vibrant flowers are frequently used.

Bees, butterflies, and birds are some of the more popular pollinators, though there are many other varieties as well. These critters are drawn to the nectar in flowers, which provides them with the energy to fly or buzz from one flower to the next. Pollen, which eventually results in fertilization and reproduction, is dispersed when they are moving around collecting nectar.

In rare circumstances, wind can also assist in pollination. In general, the reproduction process in wild hibiscus species is a complicated one that involves a wide variety of organisms and environmental conditions.

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Answer:

An out wash plain

Explanation:

"Well if glaciers were to most likley melt wit would have a big affect on the world. But on Florida the affect would be as everybody would expect, a flash flood, with high water's and everything under water. AND there would most lilkley be something in the glacier. Not highly sure about it though"

Answer: A. coastal flooding. If Earth's glaciers were to melt, it would cause sea levels to rise, which would lead to coastal flooding in Florida and other low-lying coastal areas.

When neither air mass can overpower the other and therefore cannot move the option 4- stationary front

A stationary front is a weather boundary where two air masses meet and neither one can overpower the other, resulting in little or no movement of the front. This can lead to prolonged periods of cloudy, damp, and often unstable weather. Warm fronts, cold fronts, and occluded fronts are all types of frontal systems that can move across a region, while stationary fronts tend to remain in a specific location for an extended period of time.

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Answer: Okay, what do you have todo? And what do you need todo it?

Explanation: I'll do it for you.

Taking into account definition of limiting reactant, if 76.4 grams NH₄Cl and 85 grams Ca(OH)₂ are reacted together NH₄Cl is the limiting reastant.

In first place, the balanced reaction is:

2 NH₄Cl + Ca(OH)₂ → 2 NH₃ + CaCl₂ + 2 H₂O

By reaction stoichiometry (that is, the relationship between the amount of reagents and products in a chemical reaction), the following amounts of moles of each compound participate in the reaction:

The molar mass of the compounds is:

By reaction stoichiometry, the following mass quantities of each compound participate in the reaction:

The limiting reactant is the one that, in a chemical reaction (where there are reactants and products), ends first. If one of the substances runs out, since it is consumed during the process, the reaction will stop because the reactant limits the possibility of the reaction going ahead and therefore also limits the amount of product that is generated by the reaction.

To determine the limiting reagent, it is possible to use a simple rule of three as follows: if by stoichiometry 74 grams of Ca(OH)₂ reacts with 106.9 grams of NH₄Cl, 85 grams of Ca(OH)₂ reacts with how much mass of NH₄Cl?

mass of NH₄Cl= (85 grams of Ca(OH)₂× 106.9 grams of NH₄Cl)÷ 74 grams of Ca(OH)₂

mass of NH₄Cl= 122.79 grams

But 122.79 grams of NH₄Cl are not available, 85 grams are available. Since you have less mass than you need to react with 85 grams of Ca(OH)₂, NH₄Cl will be the limiting reagent.

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Under pressure, gaseous CO2 can liquefy as long as its temperature is below the critical point, which is 31 °C (87,8 °F). A colorless fluid with roughly the same density as water is created when a substance is squeezed and chilled below the critical point.

- as gaseous materials: for the food and beverage sectors

- liquid: in a pressure-containing storage tank

- as dry ice when it is solid (for cooling, blasting etc.).

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The collision's energy and the way the molecules are positioned at the time of contact. The molecules move faster and possess more KE at extremely high temperatures. Consequently, there are more collisions.

one or more new elements are formed as a result of the reorganization of the atoms or molecules of two substances when come into contact. Electrons of one material interact with some of those of another to produce chemical reactions.

Reactants participate in a chemical reaction and turn into byproducts through a chemical change in a chemical reaction. Inhaling oxygen, by instance, results in the creation of atmospheric co2, water, and energy when combined with glucose.

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Nitrogen has one sigma bond, 2 pi bonds, and one lone pair. So, its steric number is also sp and its hybridization is sp.

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The images of the ionic bonds of the compounds is shown in the image attached.

If we are talking about the ionic bonding model, what we mean is that in this kind of bonding. there is the transfer of electrons from the metals to the non metals. In this process, the metal would be positively charged while the non metal would be negatively charged.

As such, in the case of the potassium bromide, we can see from the image that electrons are transferred from potassium to bromine while electrons are transferred from aluminum to chlorine.

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All aquatic life uses dissolved oxygen in surface water, hence this element is frequently analyzed to determine the "health" of lakes and streams. Both groundwater discharge and atmospheric oxygen enter streams.

The amount of oxygen that is dissolved in the water, or the amount of oxygen that is available to living aquatic organisms, is measured by the term "dissolved oxygen" (DO). We can learn a lot about the water quality of a stream or lake by measuring the amount of dissolved oxygen present.For many years, the USGS has been measuring water. No matter where in the United States the water is being researched, some measures are virtually always made, including temperature, pH, and specific conductance. Dissolved oxygen (DO), a measurement of how much oxygen is dissolved in the water, is another often used indicator that can reveal a lot about the measuement  of (water quality).

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