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sdas [7]
2 years ago
12

Select the correct answer.

Chemistry
1 answer:
marissa [1.9K]2 years ago
3 0

Answer:

How does the equilibrium change with the removal of hydrogen (H2) gas from this equation? 2H2S ⇌ 2H2(g) + S2(g) A. ... Equilibrium shifts left to produce less reactant.

Explanation:

option A is the correct answer

Equilibrium shifts right to produce more product.

I hope it will help you.

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Why does every chemical reaction require a certain amount of activation energy?
Savatey [412]

The answer could possibly be D.) The product have more potential than the activated complex OR C.) Forming the activated complex requires energy .

4 0
3 years ago
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Of the choices below, which is true for the relationship shown? It is Ka for the acid H3P2O72−. It is Kb for the acid H3P2O72−.
Naily [24]
The expression for the Ka for the given acid is:

Ka = [H2P2O7^2-] [H3O+] /[H3P2O7^2-]

<span>Ka is the acid dissociation constant or the acidity constant. It is a measure of the acid strength when in solution. It is an equilibrium constant for the dissociation of the acid.</span>
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Find the mass of 1 mole of CuS
andrezito [222]
95.611 g/mol that's the answers
4 0
3 years ago
PLEASE HELP!
Basile [38]

Answer:

<u>49.54 g</u>

Explanation:

Let's take the masses of both calcium sulfate and sulfur dioxide formed.

Sulfur dioxide = 32 + 2(16) = <u>64 g</u>

Calcium sulfate = 40 + 32 + 4(16) = <u>136 g</u>

So, under ideal conditions, to produce 136 g of Calcium sulfate, we require 64 g of Sulfur dioxide.

But, it mentions the process is only 95% efficient.

Hence, taking the ratio :

\frac{64}{136} = \frac{0.95x}{100}

0.95x = \frac{64 \times 100}{136}

0.95x = \frac{6400}{136}

x = \frac{800}{17} \times \frac{20}{19}

x = \frac{16000}{323}

x = <u>49.54 g</u> (approximately)

6 0
2 years ago
Please help will give brainliest to best answer
Stolb23 [73]

Answer:

A student wrapped in a blanket or siting in the hot sun or showering with hot water

Explanation:

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