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elena-14-01-66 [18.8K]
2 years ago
9

There are 4.9875 mol C, 7.9802 mol H,

Chemistry
1 answer:
nasty-shy [4]2 years ago
7 0

did anyone able to look up this question

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miskamm [114]

Answer:

b

Explanation:

6 0
3 years ago
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At 25°C, the equilibrium constant Kc for the reaction in thesolvent CCl4 2BrCl <----> Br2 + Cl2 is 0.141. If the initial c
ivolga24 [154]

<u>Answer:</u> The equilibrium concentration of bromine gas is 0.00135 M

<u>Explanation:</u>

We are given:

Initial concentration of chlorine gas = 0.0300 M

Initial concentration of bromine monochlorine = 0.0200 M

For the given chemical equation:

                   2BrCl\rightleftharpoons Br_2+Cl_2

<u>Initial:</u>          0.02               0.03

<u>At eqllm:</u>    0.02-2x     x     0.03+x

The expression of K_c for above equation follows:

K_c=\frac{[Br_2]\times [Cl_2]}{[BrCl]^2}

We are given:

K_c=0.141

Putting values in above equation, we get:

0.141=\frac{x\times (0.03+x)}{(0.02-2x)^2}\\\\x=-0.96,+0.00135

Neglecting the value of x = -0.96 because, concentration cannot be negative

So, equilibrium concentration of bromine gas = x = 0.00135 M

Hence, the equilibrium concentration of bromine gas is 0.00135 M

8 0
4 years ago
The phase of matter which is exposed to normal atmospheric pressure is solely dependent upon temperature.
miss Akunina [59]

Answer:

True

Explanation:

4 0
3 years ago
How many moles is 3.85 x 1025 atoms of gold?
stich3 [128]

Answer:

3.45 x 10^24 x 1 / 6.022 x 10^23 = 573 

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2 years ago
Briefly describe the solvation of sodium chloride to form aqueous solution.
charle [14.2K]

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idk

Explanation:

sorry

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3 years ago
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