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
Balance each of theses please
![### Balancing Chemical Equations
1. **Equation 1:**
\[
\_\_ \text{N}_2\text{O}_5 \rightarrow \_\_ \text{N}_2\text{O}_4 + \_\_ \text{O}_2
\]
2. **Equation 2:**
\[
\_\_ \text{CH}_4 + \_\_ \text{Br}_2 \rightarrow \_\_ \text{CBr}_4 + \_\_ \text{HBr}
\]
3. **Equation 3:**
\[
\_\_ \text{KOH} + \_\_ \text{H}_3\text{PO}_4 \rightarrow \_\_ \text{K}_3\text{PO}_4 + \_\_ \text{H}_2\text{O}
\]
4. **Equation 4:**
\[
\_\_ \text{Cu} + \_\_ \text{HNO}_3 \rightarrow \_\_ \text{Cu(NO}_3\text{)}_2 + \_\_ \text{NO} + \_\_ \text{H}_2\text{O}
\]
### Explanation
These are unbalanced chemical equations, each consisting of reactants and products separated by an arrow (\(\rightarrow\)), which indicates the direction of the reaction. The blanks with underscores (\_\_) indicate that the coefficients need to be determined to balance each equation, ensuring the conservation of mass for each element involved in the reactions. This means the number of atoms of each element should be the same on both sides of the equation.
### Steps to Balance:
- **Count atoms of each element** on both sides of the equation.
- **Add coefficients** (whole numbers in front of molecules) to balance the number of atoms for each element.
- **Check** your work by recounting to ensure all elements have the same number of atoms on both sides.
Understanding how to balance these equations is crucial for studying chemical reactions and stoichiometry, which involves the calculation of reactants and products in chemical reactions.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F523b9775-526c-4840-92de-ec581e259b38%2F13c24f99-850d-4b27-aa00-4109c74b9b93%2Fyfs8d3r_processed.jpeg&w=3840&q=75)
Transcribed Image Text:### Balancing Chemical Equations
1. **Equation 1:**
\[
\_\_ \text{N}_2\text{O}_5 \rightarrow \_\_ \text{N}_2\text{O}_4 + \_\_ \text{O}_2
\]
2. **Equation 2:**
\[
\_\_ \text{CH}_4 + \_\_ \text{Br}_2 \rightarrow \_\_ \text{CBr}_4 + \_\_ \text{HBr}
\]
3. **Equation 3:**
\[
\_\_ \text{KOH} + \_\_ \text{H}_3\text{PO}_4 \rightarrow \_\_ \text{K}_3\text{PO}_4 + \_\_ \text{H}_2\text{O}
\]
4. **Equation 4:**
\[
\_\_ \text{Cu} + \_\_ \text{HNO}_3 \rightarrow \_\_ \text{Cu(NO}_3\text{)}_2 + \_\_ \text{NO} + \_\_ \text{H}_2\text{O}
\]
### Explanation
These are unbalanced chemical equations, each consisting of reactants and products separated by an arrow (\(\rightarrow\)), which indicates the direction of the reaction. The blanks with underscores (\_\_) indicate that the coefficients need to be determined to balance each equation, ensuring the conservation of mass for each element involved in the reactions. This means the number of atoms of each element should be the same on both sides of the equation.
### Steps to Balance:
- **Count atoms of each element** on both sides of the equation.
- **Add coefficients** (whole numbers in front of molecules) to balance the number of atoms for each element.
- **Check** your work by recounting to ensure all elements have the same number of atoms on both sides.
Understanding how to balance these equations is crucial for studying chemical reactions and stoichiometry, which involves the calculation of reactants and products in chemical reactions.
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