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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![### Nuclear Decay and Chemical Reactions: Practice Problems
#### Exercise 1:
**Write a balanced nuclear reaction for the decay of cesium-144 by alpha particle.**
#### Exercise 2:
**Draw a skeletal structure for the molecule 1-iodo-4-isopropyl-2-methyloctane.**
#### Exercise 3:
**For the balanced reaction:**
\[ \text{2Co(NO}_3\text{)}_3(\text{aq}) + \text{3Na}_2\text{CO}_3(\text{aq}) \rightarrow \text{Co}_2(\text{CO}_3)_3(\text{s}) + \text{6NaNO}_3(\text{aq}) \]
**How many grams of sodium carbonate are needed to produce 95.1 grams of sodium nitrate?**
#### Detailed Notes:
- **Balanced nuclear reaction:** When writing a nuclear reaction, ensure that the sum of the atomic numbers (protons) and mass numbers (protons + neutrons) remains equal on both sides of the equation.
- **Skeletal structure drawing:** An organic skeleton structure should follow the conventions of omitting hydrogen atoms attached to carbons and using lines to represent bonds.
- **Stoichiometry calculations:** To find the mass of a reactant needed to produce a desired mass of product, use molar mass and balanced equation proportions to convert between quantities.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fdf95109c-869d-4f91-a635-386ab8bbffdb%2F4c64e123-2b3c-412c-83f9-fec1ad0e3d5a%2Fkbf07p.jpeg&w=3840&q=75)
Transcribed Image Text:### Nuclear Decay and Chemical Reactions: Practice Problems
#### Exercise 1:
**Write a balanced nuclear reaction for the decay of cesium-144 by alpha particle.**
#### Exercise 2:
**Draw a skeletal structure for the molecule 1-iodo-4-isopropyl-2-methyloctane.**
#### Exercise 3:
**For the balanced reaction:**
\[ \text{2Co(NO}_3\text{)}_3(\text{aq}) + \text{3Na}_2\text{CO}_3(\text{aq}) \rightarrow \text{Co}_2(\text{CO}_3)_3(\text{s}) + \text{6NaNO}_3(\text{aq}) \]
**How many grams of sodium carbonate are needed to produce 95.1 grams of sodium nitrate?**
#### Detailed Notes:
- **Balanced nuclear reaction:** When writing a nuclear reaction, ensure that the sum of the atomic numbers (protons) and mass numbers (protons + neutrons) remains equal on both sides of the equation.
- **Skeletal structure drawing:** An organic skeleton structure should follow the conventions of omitting hydrogen atoms attached to carbons and using lines to represent bonds.
- **Stoichiometry calculations:** To find the mass of a reactant needed to produce a desired mass of product, use molar mass and balanced equation proportions to convert between quantities.
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