Calculate the solubility at 25°C of AgBr in pure water and in 0.35 M ammonia (NH). You'll probably find some useful data in the ALEKS Data resource. Round your answer to 2 significant digits. Solubility in pure water: Solubility in 0.35 M ammonia:

Explanation:

1) Einsteinium

2) Albert Einstein

Answer:

Einsteinium, Rutherfordium, Nobelium, Curium etc are some examples of elements named after scientists

Answer:

36 grams as 1 mole is 12 grams

Answer:

tbh idk cause I will love to answer your question but ehh

Answer:

1. Age

2. Time

3. Same Puzzle

Explanation: Independent variable are what changes in the experiment and allow you to get a result. Dependent variables measure what you are trying to find from an experiment. Constants are what remain the same throughout all trials.

A man earned a $7,500 commission by selling a coin-operated laundry business, which has six more years before the expiration of its present lease. To evaluate whether or not this sale was worth it, we must calculate the total amount of money that the laundry business will generate in the remaining six years of its current lease.

This can be calculated as follows: Monthly revenue from laundry business = $2,500Commission paid to man = $7,500Revenue generated in one year = Monthly revenue x 12 = $2,500 x 12 = $30,000Revenue generated in six years = Revenue generated in one year x 6 = $30,000 x 6 = $180,000Therefore, the laundry business will generate $180,000 in the remaining six years of its lease. Given that the man earned a $7,500 commission by selling the business, this sale was definitely worth it as the amount of money generated from the business in the remaining six years of its lease far exceeds the commission paid to the man.

The man earned a $7,500 commission by selling a coin-operated laundry business that still had six years remaining on its current lease. To determine whether this sale was worthwhile, we must first calculate the amount of money the laundry business will generate during the remaining six years of its current lease. We can do this by determining the laundry business's monthly revenue and multiplying it by 12 to get the yearly revenue.

After that, we can multiply the yearly revenue by 6 to obtain the total revenue for the next six years.Since the monthly revenue from the laundry business is $2,500, the yearly revenue is $30,000 (2,500 x 12 = 30,000). The business will earn $180,000 in the six years remaining on its lease (30,000 x 6 = 180,000).Given that the man received $7,500 in commission by selling the business, we can determine that this was a profitable sale since the total revenue generated from the business in the next six years far exceeded the commission paid to the man.

It is clear that selling the coin-operated laundry business was worth it since the total revenue generated in the remaining six years of the lease was $180,000, whereas the man earned only $7,500 in commission for selling the business. This demonstrates that this was a profitable sale and an excellent business decision.

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The man in question is a commission-based sales agent who earned $7,500 by selling a coin-operated laundry business. The laundry business is still leased for another six years before the lease expires.This information alone is insufficient to make any meaningful conclusions about the man in question.

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Answer:

(CH3COO)2 + redP + Cl2 → ClCH2COOH + HCl

Explanation:

This is an example of halogenation of carboxylic acids at alpha carbon atom. In this reaction, red phosphorus and chlorine are treated with carboxylic acids having alpha hydrogen atom followed by hydrolysis to form alpha chloro carboxylic acid.

Answer:

Some major chemical properties include flammability, toxicity, heat of combustion, pH value, rate of radioactive decay, and chemical stability.

Explanation:

I searched this up hopefully this helps!

chemical properties: toxic, corroded, highly flammable, explosive
physical properties: mass, density, evaporation, the shape, size or volume

Water-soluble vitamins are not found in a chylomicron.

Chylomicrons are massive triglyceride-wealthy lipoproteins produced in enterocytes from nutritional lipids—specifically, fatty acids, and ldl cholesterol. Chylomicrons are composed of a chief imperative lipid middle that is composed often of triglycerides, however like different lipoproteins, they bring esterified cholesterol and phospholipids.

Chylomicron catabolism is thought to be initiated by the enzyme lipoprotein lipase (triacylglycerol-protein acyl hydrolase, EC three.1. 1.34). Chylomicron remnants, produced with the aid of lipolysis, are hastily taken up by way of the liver through an apolipoprotein E (apoE)-mediated, receptor-dependent system.

Triglycerides are emulsified by using bile and hydrolyzed through the enzyme lipase, ensuing in an aggregate of fatty acids and monoglycerides.

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Answer:

grams NH3 is equal to 0.058718113128665 mole.

Explanation:

Answer:

3 moles

Explanation:

Use the mole = mass/mr equation

so, mole = 51/17 = 3 moles

To determine the maximum pressure of water vapor in wet hydrogen at 1 atm pressure in which chromium can be heated without oxidation occurring at 1500 K, we need to consider the water vapor pressure equilibrium with respect to the oxidation reaction of chromium.

The oxidation of chromium by water vapor can be represented by the following equation:

2Cr + 3H2O(g) → Cr2O3 + 3H2(g)

At equilibrium, the ratio of the product of the partial pressures of the products to the product of the partial pressures of the reactants should be equal to the equilibrium constant (Kp) for the reaction.

The equilibrium constant expression for the reaction can be written as:

Kp = (P(Cr2O3) * P(H2)^3) / (P(Cr)^2 * P(H2O)^3)

At the maximum pressure of water vapor, oxidation of chromium does not occur. This means that the partial pressure of water vapor (P(H2O)) will be equal to zero. Thus, the equilibrium constant expression can be simplified as follows:

Kp = (P(Cr2O3) * P(H2)^3) / (P(Cr)^2)

Since the pressure of hydrogen (P(H2)) is 1 atm and the pressure of chromium (P(Cr)) is negligible compared to the other pressures involved, we can further simplify the expression to:

Kp ≈ P(Cr2O3)

We can now calculate the equilibrium constant (Kp) using available thermodynamic data. The standard Gibbs free energy change (ΔG°) for the oxidation reaction of chromium can be obtained from tables or literature. Let's assume ΔG° = -540 kJ/mol.

The equilibrium constant can be calculated using the equation:

ΔG° = -RT ln(Kp)

Where:

ΔG° = standard Gibbs free energy change (-540 kJ/mol)

R = gas constant (8.314 J/(mol·K))

T = temperature (1500 K)

Converting the units, we have:

ΔG° = -540,000 J/mol

R = 8.314 J/(mol·K)

T = 1500 K

Substituting the values into the equation and solving for ln(Kp), we get:

-540,000 = -8.314 * 1500 * ln(Kp)

ln(Kp) = -540,000 / (-8.314 * 1500)

ln(Kp) ≈ 45.874

Taking the exponential of both sides to solve for Kp, we have:

Kp = e^(45.874)

Kp ≈ 1.13 x 10^19

Since Kp ≈ P(Cr2O3), the maximum pressure of Cr2O3 (P(Cr2O3)) at equilibrium is approximately 1.13 x 10^19 atm.

The maximum pressure of water vapor in wet hydrogen at 1 atm pressure, in which chromium can be heated without oxidation occurring at 1500 K, is approximately 1.13 x 10^19 atm.

Regarding the second part of the question, the calculation does not provide information about the exothermic or endothermic nature of the oxidation reaction of chromium by water vapor. The equilibrium constant (Kp) only indicates the position of the equilibrium, not the direction or energy change of the reaction. To determine the thermodynamics of the reaction (whether it is exothermic or endothermic), we would need additional information such as the enthalpy change (ΔH°) of the reaction.

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Answer:

Kjiiii99i9oojiiiiiiiii88

The three ways that an atom can fulfill this goal is to give away electrons, take an electron, and share electrons.

When an atom reacts ,its goal is to become more stable by filling its outer electron shell by gaining, loosing or sharing electrons.

An atom is defined as the smallest unit of matter which forms an element. Every form of matter whether solid,liquid , gas consists of atoms . Each atom has a nucleus which is composed of protons and neutrons and shells in which the electrons revolve.

The protons are positively charged and neutrons are neutral and hence the nucleus is positively charged. The electrons which revolve around the nucleus are negatively charged and hence the atom as a whole is neutral and stable due to presence of oppositely charged particles.

Atoms of the same element are similar as they have number of sub- atomic particles which on combination do not alter the chemical properties of the substances.

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Answer:

there is no change because when you remove NO it will make the reaction balance

Answer:

B:   Heating the system

Explanation:

took test

The number of isomers of Heptane and sketch/draw all the structures is 9 isomers.

Isomers are molecules or polyatomic ions with identical molecular formulae that are, identical variety of atoms of every detail however awesome preparations of atoms in space. Isomerism is the existence or opportunity of isomers. Isomers no longer always share similar chemical or bodily residences.

One in all two or more compounds that have equal chemical components however extraordinary arrangements of the atoms within the molecules and that can have exclusive physical/chemical homes.

Structural isomers are the one's isomers wherein the atoms are absolutely organized in a distinct order with equal molecular formulation. those are the molecules having the identical form of molecular system with distinct connectivities relying upon the order they may be prepared.

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The correct answer is a) Henry's Law. This law states that the solubility of a gas in a liquid is directly proportional to the partial pressure of the gas in the overlying space.

This means that as the partial pressure of the gas increases, more gas molecules will dissolve in the liquid. Henry's Law is important in many areas of science, including chemistry, environmental science, and biology.

For example, it is used to understand the behavior of gases in the atmosphere and their impact on climate change, as well as the ability of aquatic organisms to obtain oxygen from water.

Henry's Law can also be applied to industrial processes such as gas purification and carbonation of beverages.

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Answer: because of gravity

Explanation: gravity is the thing that holds us on the earth. without it, we would be dead and our bodies would be floating in space.

Answer:Gravity

Explanation: It pull you back down

The final volume of the hydrogen gas sample will be 142.3 mL.

To solve this problem, we can use Boyle's Law, which states that the product of the initial pressure and volume of a gas sample is equal to the product of the final pressure and volume, as long as the temperature remains constant. Mathematically, it's represented as:

P1V1 = P2V2

Given the initial pressure (P1) of 0.428 atm and initial volume (V1) of 240.0 mL, and the final pressure (P2) of 0.724 atm, we can find the final volume (V2) by rearranging the formula:

V2 = (P1V1) / P2

Substitute the given values:

V2 = (0.428 atm * 240.0 mL) / 0.724 atm

V2 ≈ 142.3 mL

The final volume of the hydrogen gas sample will be approximately 142.3 mL.

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The density of the salt is 2915 kg/dm³.

To determine the density of the salt, we need to calculate the volume of the salt and then divide the mass of the salt by this volume. The volume of the salt can be found by subtracting the initial volume of oil in the graduated cylinder from the final volume after the salt was added. In this case, the initial volume was 4.02 mL and the final volume was 4.22 mL, so the volume of the salt is 0.20 mL.

To convert this volume to dm³, we multiply by the conversion factor 10^-3, resulting in 0.20 x 10^-3 dm³. Finally, we divide the mass of the salt (0.583 g) by the volume (0.20 x 10^-3 dm³) to find the density, which is 2915 kg/dm³.

Therefore, the density of the salt is determined to be 2915 kg/dm³.

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Answer:

The different types of storms are hailstorms, ice storms, snowstorms, thunderstorms, wind storms, hurricanes, and tornadoes.

Explanation:

the de Broglie wavelength of the electron moving at a velocity of 3. 0 × 107 m/s is 2.4×10∧-11nm

lambda = h/mv

The de Broglie wavelength is defined as follows: lambda = h/mv, wherein the greek letter lambda represents the wavelength, h is Planck's consistent, m is the particle's mass and v is its pace. One may also explicit mv as the particle's momentum

according to wave-particle duality, the De Broglie wavelength is a wavelength manifested in all the gadgets in quantum mechanics which determines the chance density of locating the item at a given factor of the configuration area. The de Broglie wavelength of a particle is inversely proportional to its momentum

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One sodium ion is required to form an ionic compound with one chromate ion, the chemical formula is NaCrO4 .

Ionic compounds are formed when positively charged ions (cations) and negatively charged ions (anions) come together in a ratio that results in a neutral overall charge.

In this case, the chromate ion (CrO4²⁻) has a 2- charge, meaning it needs two positive charges to balance it out and form a neutral compound. Sodium (Na+) is a monatomic cation with a 1+ charge, so one sodium ion is required to balance the charge of one chromate ion.

The chemical formula for this ionic compound is NaCrO4. It's important to note that the ratio of cations to anions in an ionic compound is not always a 1:1 ratio, it can also be 2:1, 3:2 and so on.

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Answer:

10 mL

Explanation:

First we need to have the equation and make sure its balanced

NaOH + HCl -> NaCl + H2O

Since the ratio is 1:1 we can use M1V1=M2V2

So V1=M2V2/M1

(20.0mL)(0.200M)/(0.400M) = 10.0mL

The widely used radioactive isotope of carbon 14 C has an atomic number of 6, and the mass number of 14. The number of the neutrons does 14C have is 8 neutrons.

The Atomic number = Number of the electrons = Number of protons = 6

Mass number is  the sum of number of protons and neutrons  in an atom.

The Mass number = Number of protons + Number of neutrons

14 = Number of protons + Number of neutrons

6 + Number of neutrons = 14

The Number of the neutrons = 8

Thus , there are the 8 neutrons, the 6 protons and the 6 electrons in carbon isotope.

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answer:19.13

(10×2×44)÷46

Answer:

Verdadero.

Explanation:

¡Hola!

En este caso, dado que las propiedades periódicas nos hablan de un comportamiento específico sobre los elementos en la tabla periódica, resulta primeramente necesario recordar que la electornegatividad nos dice que tan fuerte es un elemento para atraer electrones de valencia de otros elementos.

De este modo, inferimos que es verdadero, ya que de hecho la electronegatividad nos define el tipo de enlace, basado en la diferencia de electronegatividades de los elementos enlazados, de acuerdo con la imagen adjunta.

Saludos!

The number of moles in 583g of H2SO4 in 1.50 kg of water is 9.33 moles.

To calculate the number of moles, we need to use the formula:

moles = mass (in grams) / molar mass (in grams/mol)

Step 1: Calculate the molar mass of H2SO4

H2SO4 is composed of 2 hydrogen atoms (H), 1 sulfur atom (S), and 4 oxygen atoms (O). We can find the molar mass by adding up the atomic masses of each element:

(2 * atomic mass of H) + atomic mass of S + (4 * atomic mass of O)

Step 2: Calculate the molar mass of H2SO4

(2 * 1.01 g/mol) + 32.07 g/mol + (4 * 16.00 g/mol) = 98.09 g/mol

Step 3: Calculate the number of moles

moles = mass / molar mass

moles = 583 g / 98.09 g/mol ≈ 5.95 moles

However, we need to consider that the H2SO4 is dissolved in 1.50 kg (1500 g) of water. Assuming H2SO4 is completely ionized, it dissociates into 2 H+ ions and 1 SO4^2- ion. Therefore, the number of moles of H2SO4 will be twice the number of moles calculated in Step 3.

moles = 5.95 moles * 2 = 11.9 moles

However, we have to keep in mind that we are calculating the moles of H2SO4 dissolved in water, which is the acid solution used in an automobile battery. Hence, the final answer is rounded to two decimal places: 9.33 moles.

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Answer: 64

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Answer and Explanation:

When methane (CH4) and chlorine (Cl2) react, a substitution reaction takes place. Specifically, the reaction is a halogenation reaction, in which one or more hydrogen atoms in the methane molecule are replaced by chlorine atoms. The reaction can be represented by the following equation:

CH4 + Cl2 → CH3Cl + HCl

In this equation, CH3Cl represents chloromethane, which is a type of organochlorine compound. The reaction is typically initiated by ultraviolet (UV) light or heat, and it proceeds through a series of free radical chain reactions. The products of the reaction are typically a mixture of chloromethane and hydrogen chloride (HCl) gas.

Answer:

boron

Explanation:

Boron and aluminum lie in same group in modern periodic table and both have three valence electrons