draw the organic product(s) of the following reaction. 1.2 eq kcn

For the reaction, the Kc is 82.2.

We know that the reaction have been given as; COCl2(g) ⇔ CO(g) + Cl2(g). We can then know that the initial concentration of the  COCl2 =  1. 60 moles/1. 00 liter = 1.6 M

Since the equilibrium concentration is 1.57 M, the equilibrium concentration of  COCl2 =  1.6 M - 1.57 M = 0.03 M

Then the Kc is;

[CO] [Cl2]/[COCl2 ]

Kc = (1.57)^2/(0.03)

Kc = 82.2

The reaction as it has been shown here would been seen to have the Kc of 82.2

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Answer:

1. Steric Hindrance: The size of ligands, metal ions and the coordination number must be considered while determining stability.

2. Charge: Charge balance is important to maintain stability in metal complexes. The overall charge of the complex should be neutral, and the ligands must balance the charge of the metal ion.

3. Chelate Effect: Metal complexes with chelating ligands generally show higher stability due to the formation of a ring structure that enhances the stability of coordination bonds.

4. Solvent: The nature of the solvent and its polarity affect the stability of metal complexes. An appropriate solvent should be chosen to ensure optimum stability of the complex.

5. Acid-Base Equilibria: The acidity or basicity of the ligands affects metal complex stability.

6. Temperature: The stability of metal complexes is also temperature-sensitive. A change in temperature can alter the stability of metal complexes.

7. Presence of Other Ions: The presence of other ions such as salts, counter-ions, or other metal ions can affect metal complex stability.

8. Steric Crowding: The presence of bulky groups in ligands can hinder coordination, leading to decreased stability.

The conversion that take place is solar energy to heat energy.

The energy conversion that occurred in the classroom oven was from solar energy to heat energy. Radiant energy, also known as solar energy, is the heat from the sun that heats the oven. The hotdog becomes hot and ready to eat when the internal temperature of the oven rises with the help of aluminium foil because the absorbing heat energy accumulates inside the oven more quickly than it is lost. Light energy to heat energy conversion: Solar cookers aim sunlight at a target, like a cooking pan. Conduction is the process by which light energy is transformed into heat by interacting with the receiver material. Utilizing materials that conduct and hold heat improves conversion.

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Answer:

Percentage yield=79.14%

Explanation:

Percentage yield=(Actual yield/theoretical yield)*100

Percentage yield=27.7g/35.0g*100

Percentage yield=79.14%

The cell potential (Ecell) for this electrochemical cell at 240K is 1.499 V.

The cell potential (Ecell) for an electrochemical cell is the measure of the potential difference between the anode and cathode of the cell. It is determined by the standard reduction potentials of the half-reactions occurring at each electrode and the concentrations of the reactants and products in the cell.
In the given electrochemical cell, the half-reaction occurring at the anode is Au(s) → Au3+(0.19M) + 3e-, and the half-reaction occurring at the cathode is Au3+(1.9M) + 3e- → Au(s). The standard reduction potential for the Au3+/Au half-reaction at standard conditions (298K and 1 atm) is 1.498 V.
To calculate the cell potential at 240K, we can use the Nernst equation:
Ecell = E°cell - (RT/nF)ln(Q)
Where E°cell is the standard cell potential, R is the gas constant, T is the temperature in Kelvin, n is the number of electrons transferred in the cell reaction, F is Faraday's constant, and Q is the reaction quotient.
Substituting the given values and solving for Ecell, we get:
Ecell = 1.498 V - (0.00831 J/K/mol)(3/6.022 x 10^23)(ln[(0.19M)/(1.9M)])
Ecell = 1.498 V - (0.00831 J/K/mol)(3/6.022 x 10^23)(-1.902)
Ecell = 1.498 V + 0.00159 V
Ecell = 1.499 V
Therefore, the cell potential (Ecell) for this electrochemical cell at 240K is 1.499 V.

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Answer:

3%

Explanation:

as error occurred is 1.5(error value) so 1.5 is 3%of 50(original value)

A change in momentum from applying a force for a certain time is called an impulse.

In physics, the word momentum can be defined as a type of measurement that indicates mass motion, which is generally denoted by the letter p and can be used to understand the impulse properties of a given compound and or material.

Therefore, with this data, we can see that in physics the word momentum is used to understand the motion of the mass and thus determine the kinetic properties of an element.

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Answer:

electrical and heat energy

Explanation:

Answer:

Heat and Light

Explanation:

C on usatp

The volume of 2.00 M MgSO₄ is 20.0 mL.

Parameter

If we added water to the first solution, the concentration changed but the mole in that solution didn't change.

Formula between mole, volume, and concentration (molarity)

\(M = \frac{n}{V}\)

n = M×V

n₁=n₂

M₁×V₁ = M₂×V₂

2.000×V₁ = 0.400×100.0

2.000×V₁ = 40.0

\(V_1 = \frac{40.0}{2.000}\)

V₁ = 20.0 mL

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Answer: Option: B - The warm air molecules inside the balloon lose energy to the cold air molecules, they move slower, and condense.

Explanation: Warm air molecules move faster than cold air molecules.

The total reactive power absorbed by the line is: 120-J 160 VA

Given that, a load of 30 - j 40 is connected to a source of 100 v with a phase angle of 30o , through a transmission line with an inductive reactance of 80 ohms.

\(current, $I=I_L=\frac{100 \angle 30^{\circ}}{30-j 40+j 80}=\frac{100 \angle 30^{\circ}}{30+j 40}$\)

\($=2 \angle-23.13^{\circ}$\)

\($\begin{aligned} V_L &=\left(100\left(30^{\circ}\right)-I(j 80)\right.\\ &=\left(100 < 30^{\circ}\right)-(2 L-23.13)(j 80) \\ &=100 L-76.26 \text { volts. } \end{aligned}$\)

\($\begin{aligned} \text { Power delivered toads }=& V_l I_L^* \\=&(100 < -76.26)(2 L-23.13)^* . \\=&(100 < -76.26)(1.839-j 0.786)^* \\ &=(100 < -76.26)(1.839+j 0.786) \\ &=(100 < -76.26)(2 L+23.13) \\ S &=120-j 160 \mathrm{VA} \end{aligned}$\)

The component of complex power known as reactive power pertains to energy storage and retrieval rather than consumption. Real power, which really does work, and reactive power, which permits transformers to change, generators to produce, and motors to rotate, are the two types of power found in an AC power system.

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The number of moles of Ba(OH)₂ present in 275 ml of 0.400 M Ba(OH)2 solution is 0.11 moles.

Moles of Ba(OH)₂ present in 275 ml of 0.400 M Ba(OH)₂ solution can be calculated as follows:

First of all, we should be familiar with the formula of Molarity which is as follows:

Molarity (M) = moles of solute / liters of solution We can rearrange this formula to calculate the moles of solute as follows:

moles of solute = Molarity (M) × liters of solution (L)Now let's apply the above formula to the given problem. Molarity (M) = 0.400 M, liters of solution (L) = 275 ml or 0.275 L (since 1 L = 1000 ml)moles of Ba(OH)₂ = 0.400 M × 0.275 L= 0.11 moles.

Therefore, the number of moles of Ba(OH)₂ present in 275 ml of 0.400 M Ba(OH)₂ solution is 0.11 moles.

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Answer:

produce OH-

Explanation:

C. All the water would reach an equilibrium temperature and heat would stop flowing.

When hot and cold water are mixed together, heat flows from hotter to colder until both reach a common temperature. This is because the molecules in the hotter water have more kinetic energy than those in the colder water, and so they transfer some of their energy to the colder water until both have the same amount of energy. Eventually, all the water in the mixture will reach the same temperature, and heat transfer will stop. Therefore, the end result of mixing hot and cold water would be that all the water would reach an equilibrium temperature and heat would stop flowing.

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When 2.00 kg is divided  by 5.00 L, 2.00 kg/ 5 .00 L = 0.4 kg / liter.

What is weight?

The force of gravity, sometimes known as weight, is denoted by the letters F g start subscript with F, end subscript with g.

All things close to Earth are constantly subject to the force known as weight. All items are pulled downward toward the Earth's center by the gravity of the planet.

By dividing the object's mass by the gravitational acceleration owing to gravity, one can calculate the strength of the force of gravity.

Therefore, When 2.00 kg is divided  by 5.00 L, 2.00 kg/ 5 .00 L = 0.4 kg / liter.

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Answer:

Coefficient of 1 for all except Cl2, which has a coefficient of 3.

Explanation:

The left side of the equation has 6 chlorine atoms, so the right side also needs 6 chlorine atoms.

Answer:

Concept of chemi-fluorescence

Explanation:

A glow stick usually consists of two chemicals in a larger plastic tube: , a base catalyst (mostly sodium salicylate), and a suitable dye (sensitizer, or fluorophor). This creates an exergonic reaction when mixed together.

When a glow stick is bent, the flurophor which is a chemical that easily re-emits light upon excitation in smaller capsules is released into the other substance, there by causing it to emit radiation/light in the uv-visible region. The brightness and longevity of the glow stick is determined by varying the concentration of these chemicals.

I hope this explanation clarifies things.

Answer:

D

Explanation:

molecules have potential energy and kinetic energy.

Tempreture is defined as the average kinetic energy and internal energy is PE+KE. Pptential energy in particles or molecules is just there position relative to one another. A gas which has seperated particles will have a greater potential energy than a solid/liquid.

Answer:

choice D. Ionic, because valence electrons are transferred.

Explanation:

In the context of making a gold medal, a "relief image" refers to a design or pattern that is raised or elevated from the surface of the die. The die is a specialized tool used in medal-making, typically made of metal, which is used to stamp or impress the design onto the medal.

To create a relief image, the design is carved or engraved into the die, creating recessed areas that correspond to the negative space of the desired image. When the die is pressed onto a blank piece of metal, such as gold, the raised portions of the die impress the design onto the metal, leaving a raised image or pattern. This raised image is what is known as the "relief image" on the medal.

The depth and intricacy of the relief image depend on the skill of the die engraver and the desired design. Relief images can range from simple, shallow designs to highly detailed, three-dimensional sculptures. The relief image brings the design to life, providing visual and tactile depth to the medal and enhancing its aesthetic appeal.

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Answer:

respritory and circulatory systems

lungs and heart

Explanation:

AnsThe option C is correct

Answer:

cell membrane

Explanation:

Answer:

CH3(CH2)3COOH

Explanation:

Answer:

CH3(CH2)3COO- + H+

Explanation:

The dissociation of valeric acid (CH3(CH2)3COOH) can be represented by the following equation:

CH3(CH2)3COOH ⇌ CH3(CH2)3COO- + H+

In this equation, valeric acid (CH3(CH2)3COOH) donates a hydrogen ion (H+) to water (H2O) to form a hydronium ion (H3O+), while the valerate ion (CH3(CH2)3COO-) is formed as a result of the loss of the hydrogen ion.

The dissociation of valeric acid can also be expressed using an equilibrium constant (Ka), which is a measure of the acidity of the acid. The expression for Ka for valeric acid is:

Ka = [CH3(CH2)3COO-][H+] / [CH3(CH2)3COOH]

In this expression, [CH3(CH2)3COO-] represents the concentration of the valerate ion, [H+] represents the concentration of the hydronium ion, and [CH3(CH2)3COOH] represents the concentration of valeric acid.

The value of Ka for valeric acid is approximately 1.5 x 10^-5 at room temperature (25°C).

Answer:

Question 1: B. A set of hypotheses accepted as an undeniable fact.

Question 2: C. Will fish living in freshwater be happier than those living in sa.lt.water.

Explanation:

A scientific theory is a rule of nature that can never be changed.

A hypothesis is a supposition or a proposed idea that can be tested.

The cell that has a cell membrane, a nucleus, no chloroplast, and is eukaryotic is an animal cell. Animal cells are one of the major types of eukaryotic cells present in animals, humans, and other organisms.  

Eukaryotic cells are cells that contain a true nucleus enclosed by a nuclear membrane and various other membrane-bound organelles. They are much larger and more complex than prokaryotic cells, which do not have a true nucleus. Below are the characteristics of an animal cell:Cell membrane: A cell membrane is a semipermeable membrane that bthe cell, controls what enters and leaves the cell, and maintains the cell's shape and structure.

Nucleus: A nucleus is a membrane-bound organelle found in most eukaryotic cells that contain genetic material (DNA) that regulates the cell's activities.Chloroplast: Chloroplasts are organelles found in plant cells that contain chlorophyll and are responsible for photosynthesis. However, they are not present in animal cells. Eukaryotic: Eukaryotic cells are cells that contain a true nucleus enclosed by a nuclear membrane and various other membrane-bound organelles. They are much larger and more complex than prokaryotic cells, which do not have a true nucleus. An animal cell is a eukaryotic cell, making it different from prokaryotic cells. Therefore, an animal cell has a cell membrane, a nucleus, no chloroplast, and is eukaryotic.

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