The value of the equilibrium constant for the combination of nitrogen and oxygen to make NO is 2 x 10-9. What does this tell you about the concentrations of materials in the equilibrium mixture?

Answers

Answer 1

Answer:

Answer: The reaction must proceed in the reverse direction.

Explanation:

$K_p$ is the constant of a certain reaction at equilibrium while $Q_p$ is the quotient of activities of products and reactants at any stage other than equilibrium of a reaction.

For the given chemical reaction:

$N_2(g)+O_2(g)\rightleftharpoons 2NO(g)$

The expression of $K_p$ for above equation follows:

$K_p=((p_(NO))^2)/(p_(N_2)* p_(O_2))$

We are given:

$K_p=2* 10^(-9)$

There are 3 conditions:

When $K_(p)>1$ ; the reaction is product favored.

When $K_(p)<1$ ; the reaction is reactant favored.

When $K_(p)=1$ ; the reaction is in equilibrium.

As, $K_p<1$ , the reaction will be favoring reactant side or the reaction must proceed in the reverse direction.

Hence, the reaction must proceed in the reverse direction.

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What term best describes the rate of radioactive decay for a particular radioactive element?A. fast
B. slow
C. variable
D. constant

Answers

Answer:

correct answer is option C (constant)

Explanation:

Radioactive decay of radioactive element occur at known rates, the unit of radioactive decay is called half-life. The amount of time a radioactive element takes for half of the parent atoms to decay is known as half-life of a radioactive element

During Radioactive decay radioactive elements emits a particle. It's impossible to predict exactly when a given atom of a substance will emit a particular particle, but the decay rate of a radioactive element over a long period of time is constant.

By radioactive decay scientist can determine the age of that particular element. If radioactive decay will vary than age cannot be determined from radioactive decay.

The rate of radioactive decay for a particle radioactive element is constant.

Write the proper word equation to express the following chemical reaction: 4Fe (s) + 3Sn(NO3)4 (aq) Imported Asset 4Fe(NO3)3 (aq) + 3Sn

Answers

The proper word equation for

4Fe + 3Sn(NO3)4 = 4Fe(NO3)3 + 3Sn is as below

Iron + Tin (iv) nitrate = iron(iii) nitrate + Tin

iron displaces tin from it compound ( Tin (iv) nitrate to form iron (iii) nitrate and tin.

from the equation above 4 moles of Fe displaces 3 moles of Sn(NO3)4 to form 4 moles of Fe(NO3)3 and 3 moles of SN

How many electrons does maganese 55 have?

Answers

Answer:

Maganese 55 has 25 electrons.

Hope this helps you!

Explanation:

Describe What are some possible benefits of single-stream recycling vs. regular recycling?

Answers

Answer:

Single-stream recycling has two main advantages: Since it's so much easier than sorting out recyclables for individuals, it increases household recycling rates, and since it's easier to dump one can of stuff into a collection truck with one compartment, it saves cities money.

Benefits of Recycling: Reduces the amount of waste sent to landfills and incinerators. Conserves natural resources such as timber, water and minerals. Increases economic security by tapping a domestic source of materials. Prevents pollution by reducing the need to collect new raw materials. Saves energy.

Explanation:

Which of the statement below states the negative impact did chemistry have on society through the production and use of chlorofluorocarbons (CFCs)? A. Hazardous coolants in refrigeration units were replaced. B. Better refrigeration reduced loss of food through spoilage. C. Lower levels of ozone allowed more ultraviolet radiation to reach Earth. D. Fire safety improved through the use of fire extinguishers.

Answers

I think the correct answer from the choices listed above is option A. The statement that states a negative impact of chemistry on the society is that hazardous coolants in refrigeration units were replaced. One example of this coolant is the production and use of chlorofluorocarbons (CFCs) which replaced by more safer coolants.

Answer:

C. Lower levels of ozone allowed more ultraviolet radiation to reach Earth.

Explanation:

got it right on edge 23

What element was used to make the first atomic bomb

Answers

The element was uranium, it was made during World War II ( the first atomic bomb was dropped on Japan, Hiroshima )
For more information, a H-bomb ( Hydrogen bomb ) is more explosive ( the sun is made mostly by Hydrogen ) and North Korea declared that they just have one.

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5. Which quantities must be conserved in all chemical reactions?