3 years ago

How many kilograms are 1.21 x 10^-6 moles of zinc ?

Chemistry

1 answer:

Svetradugi [14.3K]3 years ago

7 0

Answer: The answer is 2.3 x 10 4's.

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Bad White [126]

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Explanation:

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2 years ago

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The equilibrium constant for the formation of ammonia from nitrogen and hydrogen is 1.6 × 102. what is the form of the equilibri

Nimfa-mama [501]

Answer: The expression for equilibrium constant is $\frac{[NH_3]^2}{[H_2]^3[N_2]}$

Explanation: Equilibrium constant is the expression which relates the concentration of products and reactants preset at equilibrium at constant temperature. It is represented as $k_c$

For a general reaction:

$aA+bB\rightleftharpoons cC+dD$

The equilibrium constant is written as:

$k_c=\frac{[C]^c[D]^d}{[A]^a[B]^b}$

Chemical reaction for the formation of ammonia is:

$N_2+3H_3\rightleftharpoons 2NH_3$

$k_c=1.6\times 10^2$

Expression for $k_c$ is:

$k_c=\frac{[NH_3]^2}{[H_2]^3[N_2]}$

$1.6\times 10^2=\frac{[NH_3]^2}{[H_2]^3[N_2]}$

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3 years ago

Write L values for the following energy levels. What orbital shapes exist in each of

den301095 [7]

Answer:

n l m

��

1 0 0 1s 1 2 2

��

2 0 0 2s 1 2

2 1 1,0,-1 2p 3 6 8

��

3 0 0 3s 1 2

3 1 1,0,-1 3p 3 6

3 2 2,1,0,-1,-2 3d 5 10 18

��

4 0 0 4s 1 2

4 1 1,0,-1 4p 3 6

4 2 2,1,0,-1,-2 4d 5 10

4 3 3,2,1,0,-1,-2,-3 4f 7 14 32

Explanation:

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2 years ago

What 3 classes of compounds are elecrolytes

zvonat [6]

Answer:

i believe it is strong acids, strong bases, and salts.

Explanation:

Hope this helps : )

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2 years ago

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Andreyy89

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2 years ago