**Question 18: Determining Moles of Ammonia**Use the chemical equation below to determine how many moles of ammonia (\(NH_3\)) will be produced from 4 moles of nitrogen gas (\(N_2\)). Assume that there is enough \(H_2\) for all of the \(N_2\) to be converted to \(NH_3\).\[ N_2 + 3H_2 \rightarrow 2NH_3 \]- [ ] 2 moles- [ ] 8 moles- [ ] 3 moles- [ ] 4 moles**Explanation:**The balanced chemical equation \(N_2 + 3H_2 \rightarrow 2NH_3\) indicates that 1 mole of nitrogen gas (\(N_2\)) reacts with 3 moles of hydrogen gas (\(H_2\)) to produce 2 moles of ammonia (\(NH_3\)). If you start with 4 moles of \(N_2\), the amount of \(NH_3\) produced can be calculated by applying the stoichiometric coefficients from the balanced equation. **Question 20: Mole to Mole Ratio in Combustion of Propane**Consider the following chemical equation which represents the combustion of propane:\[ \text{C}_3\text{H}_8 + 5\text{O}_2 \rightarrow 3\text{CO}_2 + 4\text{H}_2\text{O} \]What is the mole to mole ratio between oxygen (\(\text{O}_2\)) and carbon dioxide (\(\text{CO}_2\))?- ○ 3:5- ○ 1:3- ○ 5:3- ○ 5:4**Explanation:**In the context of the chemical reaction given, the mole ratio we are interested in involves the reactant oxygen (\(\text{O}_2\)) and the product carbon dioxide (\(\text{CO}_2\)). The balanced equation indicates that 5 moles of oxygen react to produce 3 moles of carbon dioxide. Therefore, the correct mole to mole ratio is 5:3.

Given, the chemical reaction as follows,N2+3H2→2NH3and, number of moles of N2 available for the reaction =4 moleand there is enough amount of H2 are there that means, H2 is in excess.we are asked to calculate the number of moles of NH3 formed from thegiven number of moles of N2The given chemical reaction as follows,N2+3H2→2NH3number of moles of N2 available for the reaction =4 moleAccording to the problem, there is enough amount of H2 are there thatmeans, H2 is in excess, so N2 acts as limiting reagent and thus decidethe amount of product form.Thus, from the above balanced chemical reaction,Since, 1 mole of N2 produces =2 moles of NH3hence, 4 moles of N2 will produce =4×2 moles of NH34 moles of N2 will produce = 8 moles of NH3Thus, according to the given reaction 4 moles of N2 will produce,8 moles of NH3Therefore, according to the given reaction 4 moles of N2 will produce,8 moles of NH3Hence, option (b) is correct.

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Chemistry

18. Use the chemical equation below to determine how many moles of ammonia (NH) will be produced from 4 moles of nitrogen gas (N,). Assume that there is enough H, for all of the N, to be converted to NH. N2 + 3H22NH3 2 moles O 8 moles 3 moles O 4 moles

18. Use the chemical equation below to determine how many moles of ammonia (NH) will be produced from 4 moles of nitrogen gas (N,). Assume that there is enough H, for all of the N, to be converted to NH. N2 + 3H22NH3 2 moles O 8 moles 3 moles O 4 moles

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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