How many grams of calcium oxide will be produced in a closed vessel containing 20. 0 kg of calcium and 20. 0 kg of oxygen gas if the reaction goes to completion?


2Ca(s)+0 (g) 2CaO(s)

Answer:

1: X and Y

2: A

Explanation:

Based on Lana's diagram, the correct statement that explains the results of asexual reproduction is C. The offspring are genetically identical to the parent, because each offspring receives a complete copy of a single parent's chromosomes.

In the diagram, the parent cell divides into two identical daughter cells, each of which contains a complete copy of the parent cell's genetic material.

This type of reproduction, where a single parent produces offspring that are genetically identical to itself, is called asexual reproduction. It is the process by which many unicellular organisms, such as bacteria and some protists, reproduce.

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The respective hybridization of the imine nitrogen and carbonyl carbon of the CPV B - state as it is depicted in the passage is sp2 and sp2.

Generally, the hybridization depends upon the amount and type of bonds of the atom analyzed has in the molecule.

Let's consider some examples:

A Carbon atom bonded to 4 Hydrogen atoms has a sp3 hybridization.

A Carbon atom bonded to 2 Hydrogen atoms and to 1 Carbon with a double bond (like in ethene) has a sp2 hybridization

A Carbon bonded to 1 Hydrogen and 1 Carbon with a triple bond (like in ethyne) has a sp hybridization.

We will be able to determine the hybridization by analyzing the type and amount of unions of the nitrogen and the carbonyl.

Basically, in the imine, the Nitrogen atom has a double bond to a Carbon atom and a single bond with two other Carbon atom, with addition to the lone pair of electrons (counts as a bond) so it will have a sp2 hybridization.

And in the carbonyl, the Carbon has two simple bonds to other Carbon and a double bond to an oxygen atom. Therefore, it will also have a sp2 hybridization.

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The balanced equation of the copper (II) hydroxide precipitation reaction can be written as follows;Cu(OH)2 (s) → Cu2+ (aq) + 2 OH- (aq)We can express the solubility product constant (Ksp) for this reaction in a mathematical equation as follows;Ksp = [Cu2+] [OH-]2

The balanced equation of the copper (II) hydroxide precipitation reaction can be written as follows;Cu(OH)2 (s) → Cu2+ (aq) + 2 OH- (aq)We can express the solubility product constant (Ksp) for this reaction in a mathematical equation as follows;Ksp = [Cu2+] [OH-]2

To find the correct solubility product constant for the reaction shown above, we must first determine the balanced chemical equation for the reaction. After writing the balanced equation, we can then identify the reactants and products present in the chemical reaction.

After identifying the products and reactants present, we can then write the expression for the solubility product constant (Ksp) for the chemical reaction. From the chemical equation shown above, the correct solubility product constant for copper (II) hydroxide (Cu(OH)2) precipitation reaction is given by;Ksp = [Cu2+] [OH-]2The answer is a mathematical equation and so it is not possible to provide a value in this case. Thus, the correct solubility product constant for the reaction shown above is expressed as Ksp = [Cu2+] [OH-]2.

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Answer:

B= 100 N

Explanation:

Given data:

Mass of ball = 0.05 Kg

Acceleration of ball = 2000 m /s²

Net force = ?

Solution:

Formula:

F = ma

F = force

m = mass

a = acceleration

By putting values,

F = 0.05Kg × 2000 m/s²

 N = Kgm/s²

F = 100 N

Answer:

100 N

Explanation:

I took the test. 40,000 is wrong

The value of Kc for the synthesis of ammonia at 925°C is approximately 0.746.

How to determine Kc from Kp?

To convert Kp to Kc for the reaction: N₂(g) + 3H₂(g) <---> 2NH₃(g), we can use the formula:

Kp = Kc(RT)^Δn

Where:
- Kp is the equilibrium constant in terms of pressure
- Kc is the equilibrium constant in terms of concentration
- R is the gas constant (0.0821 L atm/mol K)
- T is the temperature in Kelvin
- Δn is the change in moles of gas (moles of products - moles of reactants)

First, convert the temperature to Kelvin:
T = 925°C + 273.15 = 1198.15 K

Next, calculate Δn:
Δn = (2 moles of NH₃) - (1 mole of N₂ + 3 moles of H₂) = 2 - 4 = -2

Now, plug the values into the formula and solve for Kc:

7.71 x 10⁻⁵ = Kc(0.0821 x 1198.15)⁻²

7.71 x 10⁻⁵ = Kc / (0.0821 x 1198.15)²

Calculate the value inside the parenthesis:

(0.0821 x 1198.15) = 98.368115

Now, raise this value to the power of Δn:

(98.368115)² = 9.676 × 10³

Now, solve for Kc:

Kc = 7.71 × 10⁻⁵ * 9.676 × 10³ = 0.746

So, the value of Kc for the synthesis of ammonia at 925°C is approximately 0.746.

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The sets in σ(A,B) are the smallest σ-algebra that contains both A and B.

In probability theory and measure theory, a σ-algebra is a collection of subsets of a given set Ω that satisfies certain properties. The notation σ(A,B) represents the smallest σ-algebra that contains both subsets A and B. This means that σ(A,B) consists of all possible subsets that can be formed by taking the union, intersection, and complement of sets in A and B.

To understand this concept better, let's consider an example. Suppose we have a set Ω = {1, 2, 3, 4} and two subsets A = {1, 2} and B = {2, 3}. The σ-algebra σ(A,B) would include the empty set, the set Ω itself, as well as other subsets such as {1}, {2}, {3}, {1, 2}, {2, 3}, and {1, 2, 3}. It would also include their complements, for example, the complement of {1} would be {2, 3, 4}.

The σ-algebra σ(A,B) is important in probability theory as it allows us to define probability measures and study various properties of events and random variables. By identifying all the sets in σ(A,B), we can determine the range of events that can be analyzed within this framework.

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This means 17 g of ammonia gas is =  1 mole of ammonia gas molecule. Sence, there are 8.856 x 1023 8.856 x 10 23 molecules in 25.4g of ammonia...

Anwser: 0.1651251733326733

My Caculations 78% might be right

Ammonia is produced naturally from decomposition of organic matter, including plants, animals and animal wastes. Also, BACTERIA? Didn't know

Well now human being you know!

Well The Definiton of Ammonia is colourless, pungent gas composed of nitrogen and hydrogen. ... It is the simplest stable compound of these elements and serves as a starting material for the production of many commercially important nitrogen compounds.

The answer is (e) 60, 160: there are 60 moles of copper ions and 160 moles of oxygen atoms in 20 moles of copper (II) phosphate.

The formula for copper(II) phosphate is Cu3(PO4)2.

To find the number of moles of copper ions in 20 moles of copper (II) phosphate, we must first find the number of moles of copper in one mole of copper (II) phosphate.

We have 3 moles of copper in one mole of copper (II) phosphate.

Therefore, we have:3 x 20 = 60 moles of copper ions

To find the number of moles of oxygen atoms in 20 moles of copper (II) phosphate, we first need to find the total number of oxygen atoms in 20 moles of copper (II) phosphate.

In one mole of copper (II) phosphate, there are 8 oxygen atoms (2 from each phosphate ion).

We have:8 x 20 = 160 oxygen atoms.

So, the answer is (e) 60, 160: there are 60 moles of copper ions and 160 moles of oxygen atoms in 20 moles of copper (II) phosphate.

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Answer:

False

Explanation:

Many abused drugs are prescription drugs.

The following processes in which the molecules become more orderly is:

b) water freezing.

In water freezing, the molecules transition from a liquid state to a solid state as the temperature decreases. As the temperature drops below the freezing point, the water molecules arrange themselves in a more ordered and structured manner, forming a solid crystal lattice. The molecules align themselves in a specific pattern, with fixed positions and regular spacing between them.

In contrast, the other options involve processes where the molecules become less orderly:

a) Lemonade mix dissolving in water: When the lemonade mix dissolves in water, the molecules of the mix disperse throughout the water, creating a homogeneous solution. The molecules become more randomly distributed, rather than ordered.

c) Ice melting: Ice melting occurs when the temperature increases, causing the solid ice to transition into liquid water. The molecules gain enough energy to break free from their fixed positions in the crystal lattice, resulting in a more disordered arrangement.

d) Dry ice subliming: Dry ice, which is solid carbon dioxide, sublimes when it is exposed to warmer temperatures. Instead of melting into a liquid, dry ice directly converts from a solid to a gas. The molecules rapidly escape the solid state and disperse as a gas, leading to a more chaotic arrangement.

e) Rubbing alcohol evaporating: Evaporation of rubbing alcohol involves the liquid molecules gaining enough energy to transition into a gas phase. As the molecules gain energy, they escape the liquid surface and disperse as a gas. The process of evaporation does not involve an increase in orderliness.

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The heat of vaporization of 1 g of water is 109J\(mol^-1k^-1\).

It's far defined as the quantity of warmth required to elevate the temperature of one g of the substance thru 1 diploma Celcius. Molar warmness capacity: it's miles described as the amount of heat required to elevate the temperature of one mole of the substance thru 1 diploma celsius.

The molar warmth ability of a chemical substance is the amount of energy that should be delivered, inside the shape of warmth, to at least one mole of the substance so that it will cause an increase of 1 unit in its temperature. as an alternative, it's miles the heating ability of a pattern of the substance divided via the quantity of substance of the pattern; or also the precise heat potential of the substance instances its molar mass. The SI unit of molar warmth capacity is joule per kelvin consistent with mole, J⋅okay−1⋅mol−1.

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Answer:

I think it would be digention but I can't see the full picture so if its wrong take a better picture that would encapture the entire question

Explanation:

can I get brainlist if it right thx

Answer: Helium is an type of air that can be used to inflate balloons, balls,  and other things that require air. The carbon dioxide we breath out is similar to this helium.

Hope this helps!

The number of particles in 2.38 g ammonium phosphate are \(\rm \bold{9.0345\;\times\;10^2^1}\).

The number of particles in a mole of sample is given by Avogadro law. The number of particles in a mole of a sample is equivalent to \(\rm 6.023\;\times\;10^2^3\).

The given mass of ammonium phosphate is 2.38 g.

The molar mass of ammonium phosphate is 149 g/mol

The moles of the sample is given as:

\(\rm Moles=\dfrac{Mass}{Molar\;mass} \\\\Moles\;(NH_4)_3PO_4=\dfrac{2.38\;g}{149\;g/mol}\\\\ Moles\;(NH_4)_3PO_4=0.015\;mol\)

The available moles of ammonium phosphate is 0.015 mol.

According to Avogadro's law, the number of particles in the sample is given as:

\(\rm 1\;mol=6.023\;\times\;10^2^3\;particles\\\\0..015\;mol=\dfrac{6.023\;\times\;10^2^3\;particles}{1\;mol}\;\times\;0.015\;mol\\\\ 0.015\;mol=9.0345\;\times\;10^2^1\;particles\)

The number of particles in 2.38 g ammonium phosphate are \(\rm \bold{9.0345\;\times\;10^2^1}\).

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The  free energy change (ΔG) for the reaction under these conditions is approximately -485.33 kJ/mol.

To calculate the value of Kp for the reaction in Part A, we can use the equation:

ΔG∘ = -RT ln(Kp)

Given the values of ΔG∘f for each substance, we can substitute them into the equation:

ΔG∘ = (ΔG∘f C2H6 - ΔG∘f C2H2 - 2ΔG∘f H2)

Substituting the given values:

ΔG∘ = (-32.89 kJ/mol - 209.2 kJ/mol - 2(0 kJ/mol))

ΔG∘ ≈ - 472.29 kJ/mol

Therefore, the value of ΔG∘ for the reaction under standard conditions is approximately -472.29 kJ/mol.

For Part B, we can use the equation:

ΔG = ΔG∘ + RT ln(Q)

Given the pressures of each substance, we can calculate the reaction quotient Q as:

Q = (P(C2H6))^1 / (P(C2H2) * (P(H2))^2

Substituting the given pressures:

Q = ((5.25 × 10^(-2))^1) / ((3.85) * (4.95)^2)

Calculating the right-hand side of the equation:

Q ≈ 0.027

Substituting the values of ΔG∘, R, and T (298 K) into the equation:

ΔG = -472.29 kJ/mol + (8.314 J/(K⋅mol)) * (298 K) * ln(0.027)

Calculating the logarithm:

ΔG ≈ -472.29 kJ/mol + (-13.04 kJ/mol)

ΔG ≈ -485.33 kJ/mol

To calculate the value of Kp for the reaction in Part A, we can use the equation:

ΔG∘ = -RT ln(Kp)

Given the values of ΔG∘f for each substance, we can substitute them into the equation:

ΔG∘ = (ΔG∘f C2H6 - ΔG∘f C2H2 - 2ΔG∘f H2)

Substituting the given values:

ΔG∘ = (-32.89 kJ/mol - 209.2 kJ/mol - 2(0 kJ/mol))

ΔG∘ ≈ - 472.29 kJ/mol

Therefore, the value of ΔG∘ for the reaction under standard conditions is approximately -472.29 kJ/mol.

For Part B, we can use the equation:

ΔG = ΔG∘ + RT ln(Q)

Given the pressures of each substance, we can calculate the reaction quotient Q as:

Q = (P(C2H6))^1 / (P(C2H2) * (P(H2))^2

Substituting the given pressures:

Q = ((5.25 × 10^(-2))^1) / ((3.85) * (4.95)^2)

Calculating the right-hand side of the equation:

Q ≈ 0.027

Substituting the values of ΔG∘, R, and T (298 K) into the equation:

ΔG = -472.29 kJ/mol + (8.314 J/(K⋅mol)) * (298 K) * ln(0.027)

Calculating the logarithm:

ΔG ≈ -472.29 kJ/mol + (-13.04 kJ/mol)

ΔG ≈ -485.33 kJ/mol

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Suppose 5.0 mol of antimony (III) fluoride is added to 10.0 mol of carbon tetrachloride, and from the 100% reaction there are the equivalents of 0 moles of SbF₃, 5.0 moles of SbCl₃, 0 moles of CCl₄, and 15.0 moles of CClF₂.

A balanced reaction is one where the reactants and products are present in equal amounts, and if the 100% reaction takes place, then the reactant sides have 1 mol of SbF₃ and 3 mol of CCl₄ that make the product of 1 mol of SbCl₃ and 3 mol of CClF₂. After the 100% reaction, all the reactants get converted into the product. The complete reaction is the below.

SbF₃ + 3CCl₄ → SbCl₃ + 3CClF₂

Hence, suppose  5.0 mol of antimony (III) fluoride is added to 10.0 mol of carbon tetrachloride, and from the 100% reaction there are the equivalents of 0 moles of SbF₃, 5.0 moles of SbCl₃, 0 moles of CCl₄, and 15.0 moles of CClF₂.

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Answer:

A. any nucleus.

Explanation:

Let's remember the concepts of strong nuclear force and electrostatic force:

- Strong nuclear force: is the force that keeps the nuclei together (protons and neutrons together).

- Electrostatic force: is the attractive and repulsive forces between particles due to electric charges (positive and negative charges).

We have to take into account that the strong nuclear force is the strongest fundamental force in nature, so this means that the strong nuclear force is greater than the electrostatic force.

Thus, based on this logic, the answer would be that any nucleus has a strong nuclear force that is greater than the electrostatic force, so the answer is A. any nucleus.

the new rate when the concentration of A is increased to 0.400 m remains the same as the initial rate, which is 0.0200 m/s.

We are given the following information:
1. The initial rate is 0.0200 m/s
2. The initial concentration of A, [A] = 0.100 m
3. The rate equation is given as rate = k[A]^0

Now, we need to find the new rate when the concentration of A, [A] is increased to 0.400 m.
Step 1: Since the rate equation is given as rate = k[A]^0, we can simplify it to rate = k because any number raised to the power of 0 is 1.

Step 2: Use the initial rate and initial concentration to find the value of k. We are given rate = 0.0200 m/s and [A] = 0.100 m, so:
0.0200 m/s = k

Step 3: Now that we have the value of k, we can use the new concentration of A, [A] = 0.400 m, to find the new rate. Plug in the new concentration into the rate equation:

New rate = k * (0.400 m)^0

Since anything raised to the power of 0 is 1, the equation becomes:

New rate = k

Step 4: Use the value of k from Step 2:

New rate = 0.0200 m/s

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Dissolving 640 g of sucrose in 20g of water (h2O) at 70°C will give us a saturated solution.

We know that at t degree Celcius the solubility of a solute in a solvent

=( weight of solute(g)/ weight of solvent(g)) * 100

Given at 70° C solubility of sucrose in h2o is 320g/100 g of h2o

Let x be the amount of sucrose that must dissolve in 200g of water at 70°C to give a saturated solution.

∴x = 320 * 200/100

⇒x = 640 g

∴ 640 g of sucrose dissolved in 200 gm of h2O at 70°C will give us a saturated solution.

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Answer:

about 0.2 mL

Explanation:

To find the volume, you take the mass and divide it by the density

Lavoisier believed in the caloric theory.

Caloric was a self-repelling fragment that adhered to matter. The heat was a mysterious fluid stored in the matter and liberate during burning and chemical reactions. Heat walk to cold. Hot objects had caloric and cold had little caloric.

The caloric theory is a disused scientific theory that heat consists of a self-resistant fluid called caloric that flows from hotter bodies to colder bodies. Caloric was also the notion of a weightless gas that could pass in and out of pores in solids and liquids.

So we can conclude that Caloric theory The caloric theory is an outworn scientific theory that heat consists of a fluid called caloric.

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Plants use sunlight and cellular respiration to transform carbon dioxide into the hydrocarbon molecule glucose, which is then ingested by the plants.

During photosynthesis, oxygen and glucose are created from water and carbon dioxide; the plant uses the glucose and produces oxygen as a waste product.

In the process of cellular respiration, oxygen & glucose are transformed into carbon dioxide and water. Carbon dioxide, water, & ATP, which would be converted into energy, are the process' byproducts.

The main purpose of photosynthetic is to transform chemical energy into solar energy, which is then stored for future use. This mechanism primarily provides energy to the planet's life systems.

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The total mass of the particles produced by nuclear fission is less than the total mass of the particles before the reaction because of the conversion of mass to energy according to Einstein's famous equation E=mc^2.

During nuclear fission, the nucleus of an atom is split into two smaller nuclei, releasing a large amount of energy in the process. This energy is equivalent to the mass that is lost during the reaction, as per Einstein's equation. Therefore, the total mass of the particles after the reaction is less than the total mass before the reaction. This phenomenon is known as mass -energy equivalence.

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Answer:

A. it gains heat energy

Answer:

The third one from the left–the graduated cylinder.

Explanation:

The laboratory apparatus that gives an "accurate" or "precise" measurement of a liquid's volume is the graduated cylinder. All you have to do is to pour the liquid into the cylinder and read its measurement using the calibrated scale.

The graduated cylinder comes in different sizes, which means the scale divisions will depend on its size. When reading the measurement, it is important to take note to read at the bottom of the meniscus because it gives the most accurate volume.

Answer:

graduated cylinder

Explanation:

No.

The smallest quantity is 600 centiliter and the largest is 600 kiloliter.

Answer:

When water dissolves a substance, the water molecules attract and “bond” to the particles (molecules or ions) of the substance causing the particles to separate from each other. The “bond” that a water molecule makes is not a covalent or ionic bond. It is a strong attraction caused by water’s polarity.

Explanation: