1 a.b.c only B. STOICHIOMETRYComplete the following stoichiometry problems. Show ALL of your work to receive full credit.Equations and Mole-to-Mole Relationships1. For the following reaction:4 Cr(s) + 3 O₂(g) → 2 Cr₂O3(s)a. How many moles of oxygen (0₂) would react with 0.35 moles of chromium (Cr)?b. Starting with 10.4 g of Oz, how many moles of Cr203 can be produced:c. How many grams of Cr metal would be needed to produce 38.2 g of chromium (III)oxide?Limiting Reactant, Theoretical Yield and Percent Yield2. Pentane combusts with oxygen to form carbon dioxide and water by the following reaction:CsH12 (1) +8 O2(g) → 5 CO₂(g) + 6 H₂O(g)a.If 0.111 moles of pentane (C5H12) is mixed with 0.313 moles of oxygen (O₂), which is thelimiting reactant?

Answered: 1. For the following reaction: 4 Cr(s)…

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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1 a.b.c only

B. STOICHIOMETRY
Complete the following stoichiometry problems. Show ALL of your work to receive full credit.
Equations and Mole-to-Mole Relationships
1. For the following reaction:
4 Cr(s) + 3 O₂(g) → 2 Cr₂O3(s)
a. How many moles of oxygen (0₂) would react with 0.35 moles of chromium (Cr)?
b. Starting with 10.4 g of Oz, how many moles of Cr203 can be produced:
c. How many grams of Cr metal would be needed to produce 38.2 g of chromium (III)
oxide?
Limiting Reactant, Theoretical Yield and Percent Yield
2. Pentane combusts with oxygen to form carbon dioxide and water by the following reaction:
CsH12 (1) +8 O2(g) → 5 CO₂(g) + 6 H₂O(g)
a.
If 0.111 moles of pentane (C5H12) is mixed with 0.313 moles of oxygen (O₂), which is the
limiting reactant?

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Step 1: Introduction to the given data

Given

In the balanced chemical equation: $4 C r space left parenthesis s right parenthesis space plus space 3 space O subscript 2 space left parenthesis g right parenthesis space rightwards arrow 2 space C r subscript 2 O subscript 3 space left parenthesis g right parenthesis$

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