1. Write a balanced nuclear reaction for the decay of cesium-144 by alpha particle

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
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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.
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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