Answer questions 2, 3 and 4 ### Chemistry Problems and Solutions#### 2. Balancing Chemical EquationsBalance the chemical equation for the following reaction:\[ \text{C}_4\text{H}_9\text{OH} + \text{O}_2 \rightarrow \text{CO}_2 + \text{H}_2\text{O} \]The equation is initially unbalanced.**Tasks:**- **a)** Set up the mole ratio of \(\text{O}_2\) to \(\text{C}_4\text{H}_9\text{OH}\).- **b)** Set up the mole ratio of \(\text{CO}_2\) to \(\text{O}_2\).#### 3. Moles of Aluminum OxideHow many moles of aluminum oxide will be produced from 0.50 moles of oxygen?The balanced chemical equation for the reaction is:\[ 4\text{Al} + 3\text{O}_2 \rightarrow 2\text{Al}_2\text{O}_3 \]#### 4. Production of Calcium SulfideHow many grams of CaS are produced from 2.500 moles of CaO?The balanced chemical reaction is:\[ 4\text{HgS} + 4\text{CaO} \rightarrow 4\text{Hg} + 3\text{CaS} + \text{CaSO}_4 \]

Mole ratio depends upon the number of moles of Reactant and Products .Balanced Equation is C4H9OH + 6O2 → 4CO2 + 5H2O Now mole ratio is a) O2 to C4H9OH 6÷1 = 6 b) CO2 to H2O 4 ÷ 5 = 0.8 Ques 3 4Al + 3 O2 ----------> 2 Al2O3 3 moles of oxygen give 2 moles of Al2O3 1 mole will give 2/3 moles of Al2O3 0.5 MOLES WILL GIVE 2/3 ×0.5 = 0.333 moles of Al2O3 Ques 4 One mole of CaO produces 3 moles of CaS 2.5 moles of CaO produces 3/1 = 3 Total moles = 3* 2.5 = 7 moles of CaS Gram of CaS = moles × molar mass = 7 × 72 =504 g

Answered: Answer questions 2, 3 and 4

Science

Chemistry

Answer questions 2, 3 and 4

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

Answer questions 2, 3 and 4

### Chemistry Problems and Solutions

#### 2. Balancing Chemical Equations
Balance the chemical equation for the following reaction:

\[ \text{C}_4\text{H}_9\text{OH} + \text{O}_2 \rightarrow \text{CO}_2 + \text{H}_2\text{O} \]

The equation is initially unbalanced.

**Tasks:**
- **a)** Set up the mole ratio of \(\text{O}_2\) to \(\text{C}_4\text{H}_9\text{OH}\).
- **b)** Set up the mole ratio of \(\text{CO}_2\) to \(\text{O}_2\).

#### 3. Moles of Aluminum Oxide
How many moles of aluminum oxide will be produced from 0.50 moles of oxygen?

The balanced chemical equation for the reaction is:

\[ 4\text{Al} + 3\text{O}_2 \rightarrow 2\text{Al}_2\text{O}_3 \]

#### 4. Production of Calcium Sulfide
How many grams of CaS are produced from 2.500 moles of CaO?

The balanced chemical reaction is:

\[ 4\text{HgS} + 4\text{CaO} \rightarrow 4\text{Hg} + 3\text{CaS} + \text{CaSO}_4 \]

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