**Chemical Reactions: Combustion of Methane****3. Consider the combustion of methane, CH₄:**\[ \text{CH}_4(g) + 2\text{O}_2(g) \rightarrow \text{CO}_2(g) + 2\text{H}_2\text{O}(g) \]Suppose 2.8 mol of methane are allowed to react with 5.0 mol of oxygen.(a) **What is the limiting reagent?** (b) **How many moles of CO₂ can be made from this reaction? How many grams of CO₂?**---**4. Suppose 8.00 g of CH₄ is allowed to burn in the presence of 16.00 g of oxygen.** (See reaction in 3 above.) How much (in grams) CH₄, O₂, CO₂, and H₂O (in grams) remain after the reaction is complete? **Chemical Reactions of Copper and Percent Yield**5. Molarity, abbreviated M, is defined as the concentration of a solution expressed as moles of solute per liter of solution. How many milliliters of 4.00 M H₂SO₄ are required to react with 1.60 g of CuO according to Equation [4]?6. If 2.00 g of Zn is allowed to react with 2.00 g of CuSO₄, according to Equation [5], how many grams of Zn will remain after the reaction is complete?

The balanced reaction of combustion of CH4 is:CH4 (g) + 2O2 ----> CO2 (g) + 2H2O (g)Allowed mole…

to noiRS 'l bus CH4 (g) +20₂(g) →CO₂(g) + 2H₂O(g) Suppose 2.8 mol of methane are allowed to react with 5.0 mol of oxygen. (a) What is the limiting reagent? 3. Consider the combustion of methane, CH4: detb gosto 20in terind (b) How many moles of CO₂ can be made from this reaction? How many grams of CO₂?

to noiRS 'l bus CH4 (g) +20₂(g) →CO₂(g) + 2H₂O(g) Suppose 2.8 mol of methane are allowed to react with 5.0 mol of oxygen. (a) What is the limiting reagent? 3. Consider the combustion of methane, CH4: detb gosto 20in terind (b) How many moles of CO₂ can be made from this reaction? How many grams of CO₂?

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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Concept explainers

Stoichiometry

Stoichiometry is a chemical division that evaluates the quantitative content of the chemical process with the help of the reacting molecules or products taking part in the reaction. The term “stoicheion” in “Stoichiometry”, is an old Greek term for "element" whereas “metron” means "measure".

Question

**Chemical Reactions: Combustion of Methane**

**3. Consider the combustion of methane, CH₄:**

\[ \text{CH}_4(g) + 2\text{O}_2(g) \rightarrow \text{CO}_2(g) + 2\text{H}_2\text{O}(g) \]

Suppose 2.8 mol of methane are allowed to react with 5.0 mol of oxygen.

(a) **What is the limiting reagent?**

(b) **How many moles of CO₂ can be made from this reaction? How many grams of CO₂?**

---

**4. Suppose 8.00 g of CH₄ is allowed to burn in the presence of 16.00 g of oxygen.** (See reaction in 3 above.)

How much (in grams) CH₄, O₂, CO₂, and H₂O (in grams) remain after the reaction is complete?

**Chemical Reactions of Copper and Percent Yield**

5. Molarity, abbreviated M, is defined as the concentration of a solution expressed as moles of solute per liter of solution. How many milliliters of 4.00 M H₂SO₄ are required to react with 1.60 g of CuO according to Equation [4]?

6. If 2.00 g of Zn is allowed to react with 2.00 g of CuSO₄, according to Equation [5], how many grams of Zn will remain after the reaction is complete?

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