Consider the reaction between 359.76 g chromium (V) hydroxide and 257.36 g phosphoric acid. What is your limiting reactant? What is the pressure after the reaction if you produce 75.34 L of water vapor (gas) at 125.45 C?
Consider the reaction between 359.76 g chromium (V) hydroxide and 257.36 g phosphoric acid. What is your limiting reactant? What is the pressure after the reaction if you produce 75.34 L of water vapor (gas) at 125.45 C?
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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![### Chemistry Problem: Limiting Reactant and Gas Pressure Calculation
Consider the reaction between 359.76 g of chromium (V) hydroxide and 257.36 g of phosphoric acid.
1. **What is your limiting reactant?**
2. **What is the pressure after the reaction if you produce 75.34 L of water vapor (gas) at 125.45°C?**
---
To solve these questions, you'll need to follow the general steps:
1. **Identify the balanced chemical equation** for the reaction between chromium (V) hydroxide and phosphoric acid.
2. **Calculate the moles of each reactant**, using their molar masses.
3. **Determine the limiting reactant** by comparing the mole ratio of the reactants with the coefficients in the balanced equation.
4. **Use the Ideal Gas Law** (PV = nRT) to solve for the pressure of the water vapor, given the number of moles (n), volume (V), temperature (T), and the universal gas constant (R = 0.0821 L·atm·K⁻¹·mol⁻¹).
**Note:** Make sure to convert the temperature from Celsius to Kelvin by adding 273.15.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F86d17ae2-ae86-4edb-8c64-c8a7246a4613%2Fe9992092-c90b-4bdc-ab02-45e220336915%2Fp97oiri_processed.jpeg&w=3840&q=75)
Transcribed Image Text:### Chemistry Problem: Limiting Reactant and Gas Pressure Calculation
Consider the reaction between 359.76 g of chromium (V) hydroxide and 257.36 g of phosphoric acid.
1. **What is your limiting reactant?**
2. **What is the pressure after the reaction if you produce 75.34 L of water vapor (gas) at 125.45°C?**
---
To solve these questions, you'll need to follow the general steps:
1. **Identify the balanced chemical equation** for the reaction between chromium (V) hydroxide and phosphoric acid.
2. **Calculate the moles of each reactant**, using their molar masses.
3. **Determine the limiting reactant** by comparing the mole ratio of the reactants with the coefficients in the balanced equation.
4. **Use the Ideal Gas Law** (PV = nRT) to solve for the pressure of the water vapor, given the number of moles (n), volume (V), temperature (T), and the universal gas constant (R = 0.0821 L·atm·K⁻¹·mol⁻¹).
**Note:** Make sure to convert the temperature from Celsius to Kelvin by adding 273.15.
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