**Determining Changes in Reaction Rates**Evaluate whether the following changes in condition would increase or decrease the rate of the chemical reactions:1. Adding a metal catalyst for two reactants to locate each other.2. Storing leftovers in the refrigerator.**Categorizing Chemical Reactions**Classify the following reactions as synthesis, decomposition, single exchange, or double exchange:3. \( \text{N}_2\,(g) + 3\text{H}_2\,(g) \rightarrow 2\text{NH}_3\,(g) \)4. \( \text{C}_6\text{H}_{12}\text{O}_6\,(aq) \rightarrow 2\text{C}_2\text{H}_6\text{O}\,(aq) + 2\text{CO}_2\,(g) \)5. \( \text{Ca}\,(s) + \text{Zn(NO}_3\text{)}_2\,(aq) \rightarrow \text{Ca(NO}_3\text{)}_2\,(aq) + \text{Zn}\,(s) \)

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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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**Determining Changes in Reaction Rates**

Evaluate whether the following changes in condition would increase or decrease the rate of the chemical reactions:

1. Adding a metal catalyst for two reactants to locate each other.
2. Storing leftovers in the refrigerator.

**Categorizing Chemical Reactions**

Classify the following reactions as synthesis, decomposition, single exchange, or double exchange:

3. \( \text{N}_2\,(g) + 3\text{H}_2\,(g) \rightarrow 2\text{NH}_3\,(g) \)
4. \( \text{C}_6\text{H}_{12}\text{O}_6\,(aq) \rightarrow 2\text{C}_2\text{H}_6\text{O}\,(aq) + 2\text{CO}_2\,(g) \)
5. \( \text{Ca}\,(s) + \text{Zn(NO}_3\text{)}_2\,(aq) \rightarrow \text{Ca(NO}_3\text{)}_2\,(aq) + \text{Zn}\,(s) \)

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Rate of reaction depends on the presence and absence of catalyst as well as on temperature.

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