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2 years ago

Outline in which direction the equilibrium 2 points

Chemistry

1 answer:

Dennis_Churaev [7]2 years ago

7 0

Explanation:

Reaction equation:

CO + 2H₂ → CH₃OH

All the species are in gaseous state and the equation is balanced.

Change in pressure only affects equilibrium involving a gas or gases.

Based on Le Chatelier's principle, an increase in pressure will shift the position of equilibrium to the side having smaller volume or number of moles and vice versa.

CO + 2H₂ → CH₃OH

3moles of gases 1 mole of gas

An increase in pressure favors the forward reaction. A decrease in pressure will favor the backward step.

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1 year ago

Suppose 11.4g of ammonium chloride is dissolved in 250 ml of a 0.3M aqueous solution of potassium carbonate. Calculate the final

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The molarity of the final ammonium cation is 0.252M

Explanation:

Step 1: Data given

Mass of ammonium chloride (NH4Cl) = 11.4 grams

Volume of 0.3 M aqueous solution of potassium carbonate (K2CO3) = 250 mL = 0.250L

Step 2: The balanced equation

2NH4Cl + K2CO3 → 2KCl + (NH4)2CO3

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moles (NH4)Cl = 11.4 grams /53.49 g/mol

Moles (NH4)Cl = 0.213 moles

Step 4: Calculate moles of K2CO3

Moles K2CO3 = Molarity * Volume

Moles K2CO3 = 0.3M * 0.250 L = 0.075 moles

Step 5: Calculate moles (NH4)Cl at the equilibrium

For 2 moles (NH4)Cl consumed, we need 1 mole of K2CO3 to produce 2 KCl and 1 mole of (NH4)2CO3

(NH4)2CO3l will dissolve in 2NH4+ + CO32-

Moles (NH4)2Cl = 0.213 moles - 2*0.075 = 0.063 moles

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Molarity of NH4+ = 0.252 M

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3 years ago