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Wittaler [7]
3 years ago
15

3.4 x 10-25 kg = ? microounces

Chemistry
1 answer:
Thepotemich [5.8K]3 years ago
8 0

Answer: 1.2 x 10^-17 microounces

Explanation:

Ounce = 28.5G microounce = 28.5*10^-6g

3.4*10^-25 kg = 3.4*10^-22 g = (3.4/2.85)*10^(-22+5) = 1.2*10-17

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3 years ago
The reaction 2CH4(g)⇌C2H2(g)+3H2(g) has an equilibrium constant of K = 0.154. If 6.30 mol of CH4, 4.20 mol of C2H2, and 11.15 mo
boyakko [2]

Answer:

C₂H₂ + 3H₂ ⟶ 2CH₄  

Explanation:

The initial concentrations are:

[CH₄] = 6.30 ÷ 6.00 =   1.05  mol·L⁻¹

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   [H₂] = 11.15 ÷  6.00 =  1.858 mol·L⁻¹

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I/mol·L⁻¹:    1.05     0.700   1.858

Q = \dfrac{\text{[C$_{2}$H$_{2}$][H$_{2}$]}^{3}}{\text{[CH$_{4}$]}^{2}} = \dfrac{ 0.700\times 1.858^{3}}{1.05^{2}}= 4.07

Q > K

That means we have too many products.

The reaction will go to the left to get rid of the excess products.

C₂H₂ + 3H₂ ⟶ 2CH₄

8 0
4 years ago
Which of the four models represents a solid
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is there an image

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6 0
3 years ago
The materials or compounds that are changed into new compounds in a chemical reaction are known as ?
Gnoma [55]

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The starting substances of a chemical reaction are called the reactants, and the new substances that result are called the products.

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