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4 years ago

What keeps the Earth's atmosphere from floating away?

Chemistry

2 answers:

Vikki [24]4 years ago

8 0

Correct Option is "A"

Hope this Helps!

Anna11 [10]4 years ago

7 0

Is this it <span>A. Earth's gravity keeps the air molecules of the atmosphere from escaping the area surround Earth</span>

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The equilibrium constant for the reaction NO2(g)+NO3(g)→N2O5(g) is 2.1x10-20 , therefore: a. At equilibrium, the concentration

frutty [35]

Answer: c. At equilibrium, the concentration of reactants is greater than the products

Explanation:

Equilibrium constant for a reaction is the ratio of concentration of products to the concentration of reactants each raised to the power its stoichiometric coefficients.

For the reaction:

$NO_2(g)+NO_3(g)\rightleftharpoons N_2O_5(g)$

Equilibrium constant is given as:

$K_{eq}=\frac{[N_2O_5]}{[NO_2]\times [NO_3]}$

$2.1\times 10^{-20}=\frac{[N_2O_5]}{[NO_2]\times [NO_3]}$

When

a) K > 1, the concentration of products is greater than the concentration of reactants

b) K < 1, the concentration of reactants is greater than the concentration of products

c) K= 1, the reaction is at equilibrium, the concentration of reactants is equal to the concentration of products

Thus as $K_{eq}$ is $2.1\times 10^{-20}$ which is less than 1,

the concentration of reactants is greater than the concentration of products

3 0

4 years ago

What is the product of magnesium metal + silverchloride ?

katrin2010 [14]

Mg + 2AgCl —> MgCl2 + 2Ag

3 0

3 years ago

When pollution or harmful substances get into an environment what is it called

sweet [91]

Wouldn’t it be pollution? Or......

6 0

3 years ago

Read 2 more answers

PLEASE HELP :"( DUE NOW!!

Citrus2011 [14]

Answer:

The correct answer is

[CH4][H2O]/[CO][H2]3

Option 3 is correct

Explanation:

Step 1: Data given

For the equation aA + bB ⇆ cC + dD

The equilibrium constant is [C]^c * [D]^d / [A]^a*[B]^b

Step 2: Calculate the equilibrium constant Kc

CO+3H2⇌CH4+H2O

Kc = [H2O][CH4] / [CO][H2]³

The correct answer is

[CH4][H2O]/[CO][H2]3

Option 3 is correct

5 0

4 years ago

I need help w this. Questions 4, 5, 6 specifically but if you can help with others that'd be great

Tju [1.3M]

Answer:

456?

Explanation:

5 0

4 years ago