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
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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Question
![**Chemical Reaction and Reaction Quotient**
**Equation:**
\[ \text{U(s) + F}_2\text{(g)} \rightleftharpoons \text{UF}_6\text{(g)} \]
**Task:**
Write the reaction-quotient expression, \( Q_c \), for this reaction.
**Answer Box:**
The expression for the reaction quotient, \( Q_c \), involves the concentration of the products divided by the concentration of the reactants, each raised to the power of their stoichiometric coefficients.
**Answer Bank Options:**
- \([U]^3\)
- \([UF_6]^2\)
- \([UF_6]\)
- \([F_2]^2\)
- \([F_2]^6\)
- \([F_2]^3\)
- \([F_2]\)
- \([UF_6]^3\)
- \([U]\)
To correctly write \( Q_c \) for this reaction:
1. **Identify the Product and Reactants:**
- Product: \([UF_6]\)
- Reactants: \([U]\) and \([F_2]\)
2. **Use Stoichiometry in the Expression:**
- The stoichiometric coefficient of \( UF_6 \) is 1, thus it appears as \([UF_6]\).
- The stoichiometric coefficient of \( F_2 \) is 1, thus it appears as \([F_2]\).
3. **Write the Expression:**
\[
Q_c = \frac{[UF_6]}{[F_2]}
\]
In this specific reaction, \( U \) is a solid, thus it does not appear in the expression for \( Q_c \) since solids and liquids are omitted from equilibrium expressions.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Ff2822d8d-3617-4d99-a4f4-33fd63b56a95%2Ff6bd8d33-6aa1-4f02-8d50-7e37686ea238%2Fgnuzkb_processed.jpeg&w=3840&q=75)
Transcribed Image Text:**Chemical Reaction and Reaction Quotient**
**Equation:**
\[ \text{U(s) + F}_2\text{(g)} \rightleftharpoons \text{UF}_6\text{(g)} \]
**Task:**
Write the reaction-quotient expression, \( Q_c \), for this reaction.
**Answer Box:**
The expression for the reaction quotient, \( Q_c \), involves the concentration of the products divided by the concentration of the reactants, each raised to the power of their stoichiometric coefficients.
**Answer Bank Options:**
- \([U]^3\)
- \([UF_6]^2\)
- \([UF_6]\)
- \([F_2]^2\)
- \([F_2]^6\)
- \([F_2]^3\)
- \([F_2]\)
- \([UF_6]^3\)
- \([U]\)
To correctly write \( Q_c \) for this reaction:
1. **Identify the Product and Reactants:**
- Product: \([UF_6]\)
- Reactants: \([U]\) and \([F_2]\)
2. **Use Stoichiometry in the Expression:**
- The stoichiometric coefficient of \( UF_6 \) is 1, thus it appears as \([UF_6]\).
- The stoichiometric coefficient of \( F_2 \) is 1, thus it appears as \([F_2]\).
3. **Write the Expression:**
\[
Q_c = \frac{[UF_6]}{[F_2]}
\]
In this specific reaction, \( U \) is a solid, thus it does not appear in the expression for \( Q_c \) since solids and liquids are omitted from equilibrium expressions.
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