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2 years ago

Sulfuryl chloride, SO2Cl2(g), decomposes at high temperature to form SO2(g) and

1 answer:

6 0

The rate constant is s-1 which is the unit of first order reaction rate constant thus the reaction is a first order reaction. Option B

<h3>What is the rate of reaction?</h3>

The term rate of reaction refers to how fast or slow a reaction proceeds a reaction could be;

First order
Second order or
Third order

We can know the order of reaction here by looking at the unit of the rate constant. The rate constant is s-1 which is the unit of first order reaction rate constant thus the reaction is a first order reaction.

Learn more about rate of reaction:brainly.com/question/8592296

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Fuel cells have been developed that can generate a large amount of energy. For example, a hydrogen fuel cell works by combining

solmaris [256]

Use the equation P=VI.
P=power (in this case 10 kilowatts or 10000 watts)
V=voltage (in this case unknown)
I=current (in this case 15.8 amps)
rewrite the equation to be V=P/I
V=(10000 watts)/(15.8 amps)
V=632.9 volts
(I think the equation requires the units for power to be watts so you need to convert kilowatts into watts)

6 0

3 years ago

Given the values for C (2.5) and O (3.5), calculate the electronegativity difference in a carbon monoxide bond, CO

34kurt

Answer:

ΔEN CO = 1.0

Explanation:

To calculate the electronegativity difference, we have to substract the element which has the highest EN to the other, that has a low value.

For this case EN from O - EN from C

Electronegativity is a property of the periodic table that increases diagonally, where Fr and Rb are the elements of less EN while F is the most electronegative element, with a value of 4. This is because F is an element with a high ionization energy and a negative electronic affinity.

ΔEN CO = 3.5 - 2.5 = 1.0

Electronegativity (EN) describes the ability of an atom to compete for

electrons with other atoms to which it is attached.

7 0

4 years ago

Randy is building a house. He wants to put stucco on the outside walls of his house. To make stucco, he needs sand. He lives on

allochka39001 [22]

Answer:

(c)-He separates the larger pebbles and other debris from the finer sand by sifting it with wire mesh.

Explanation:

A mixture is an association of substances that not react between them. It can be homogeneous when it's not possible to see the substances, or heterogeneous when it's possible to see each the substances.

Randy separates the substances of the soil with a wire mesh, so it's possible to define the substances, then the mixture is heterogeneous.

8 0

4 years ago

A student ran the following reaction in the laboratory at 311 K:CH4(g) + CCl4(g) 2CH2Cl2(g)When she introduced 4.10×10-2 moles o

statuscvo [17]

<u>Answer:</u> The value of $K_{eq}$ is 0.044

<u>Explanation:</u>

We are given:

Initial moles of methane = $4.10\times 10^{-2}mol=0.0410moles$

Initial moles of carbon tetrachloride = $6.51\times 10^{-2}mol=0.0651moles$

Volume of the container = 1.00 L

Concentration of a substance is calculated by:

$\text{Concentration}=\frac{\text{Number of moles}}{\text{Volume}}$

So, concentration of methane = $\frac{0.0410}{1.00}=0.0410M$

Concentration of carbon tetrachloride = $\frac{0.0651}{1.00}=0.0651M$

The given chemical equation follows:

$CH_4(g)+CCl_4(g)\rightleftharpoons 2CH_2Cl_2(g)$

<u>Initial:</u> 0.0410 0.0651

<u>At eqllm:</u> 0.0410-x 0.0651-x 2x

We are given:

Equilibrium concentration of carbon tetrachloride = $6.02\times 10^{-2}M=0.0602M$

Evaluating the value of 'x', we get:

$\Rightarrow (0.0651-x)=0.0602\\\\\Rightarrow x=0.0049M$

Now, equilibrium concentration of methane = $0.0410-x=[0.0410-0.0049]=0.0361M$

Equilibrium concentration of $CH_2Cl_2=2x=[2\times 0.0049]=0.0098M$

The expression of $K_{eq}$ for the above reaction follows:

$K_{eq}=\frac{[CH_2Cl_2]^2}{[CH_4]\times [CCl_4]}$

Putting values in above expression, we get:

$K_{eq}=\frac{(0.0098)^2}{0.0361\times 0.0603}\\\\K_{eq}=0.044$

Hence, the value of $K_{eq}$ is 0.044

8 0

3 years ago

Explain how a motorcar engine produces nitrogen oxides

olya-2409 [2.1K]

Answer: combustion causes a chemical reaction between nitrogen and oxygen in the engine.

Explanation:

Nitrogen oxides are produced in combustion processes, partly from nitrogen compounds in the fuel, but mostly by direct combination of atmospheric oxygen and nitrogen in flames. Nitrogen oxides are produced naturally by lightning, and also, to a small extent, by microbial processes in soils.

4 0

3 years ago

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