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For the chemical equation SO,(g) + NO,(g) = SO,(g) + NO(g) the equilibrium constant at a certain temperature is 3.10. At this temperature, calculate the number of moles of NO, (g) that must be added to 2.40 mol SO,(g) in order to form 1.00 mol SO, (g) at equilibrium. moles of NO,(g): mol

For the chemical equation SO,(g) + NO,(g) = SO,(g) + NO(g) the equilibrium constant at a certain temperature is 3.10. At this temperature, calculate the number of moles of NO, (g) that must be added to 2.40 mol SO,(g) in order to form 1.00 mol SO, (g) at equilibrium. moles of NO,(g): mol

Chemistry
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
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For the chemical equation \[ \text{SO}_2 (g) + \text{NO}_2 (g) \rightleftharpoons \text{SO}_3 (g) + \text{NO} (g) \] the equilibrium constant at a certain temperature is 3.10. At this temperature, calculate the number of moles of \(\text{NO}_2 (g)\) that must be added to 2.40 mol \(\text{SO}_2 (g)\) in order to form 1.00 mol \(\text{SO}_3 (g)\) at equilibrium. \[ \text{moles of NO}_2 (g): \ \_\_\_\_\_\_\_\_\_\_\_\_\_\_\_ \ \text{mol} \]
Transcribed Image Text:For the chemical equation \[ \text{SO}_2 (g) + \text{NO}_2 (g) \rightleftharpoons \text{SO}_3 (g) + \text{NO} (g) \] the equilibrium constant at a certain temperature is 3.10. At this temperature, calculate the number of moles of \(\text{NO}_2 (g)\) that must be added to 2.40 mol \(\text{SO}_2 (g)\) in order to form 1.00 mol \(\text{SO}_3 (g)\) at equilibrium. \[ \text{moles of NO}_2 (g): \ \_\_\_\_\_\_\_\_\_\_\_\_\_\_\_ \ \text{mol} \]
Expert Solution
Step 1

The reaction given is,

Chemistry homework question answer, step 1, image 1

Given : moles of SO2 taken = 2.40 mol

And moles of SO3 formed at equilibrium = 1.00 mol

From the above reaction we can see that 1 mole of NO will be formed when 1 mole of SO3 is forming.

Hence moles of No formed at equilibrium = moles of SO3 formed = 1.00 mol

And 1 mole of SO2 will react with 1 mole of NO2 to form 1 mole of SO3.

Hence moles of SO2 reacted = moles of SO3 formed = 1.00 mol

And moles of NO2 reacted = moles of SO3 formed = 1.00 mol

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