3 Rotten egg gas, hydrogen sulfide, H₂S, can be destroyed by reacting it with oxygen according to this equation. 2H₂S(g) + 30₂(g) →→ 25O₂(g) + 2H₂O(g) How many moles of sulfur dioxide will be formed and how many moles of which reactant will be left over after reacting: a b € d 3 mol H₂S with 4 mol O₂? 4 mol H₂S with 7 mol O₂? 0.2 mol H₂S with 0.35 mol O₂? 0.16 mol H₂S with 0.20 mol O₂? 4 Copper reacts with nitric acid according to this equation. 3Cu(s) + 8HNO3(aq) →→ 3Cu(NO3)₂(aq) + 2NO(g) + 4H₂O(1) How many moles of nitric oxide, NO, are formed after mixing: a 6mol Cu with 15 mol HNO3? b 0.25 mol Cu with 0.7 mol HNO3? c 0.5 mol Cu with 0.5 mol HNO3?

Chemistry for Engineering Students
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Chapter4: Stoichiometry
Section: Chapter Questions
Problem 4.9PAE: 4.9 Sulfur, S8, combines with oxygen at elevated temperatures to form sulfur dioxide. (a) Write a...
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3 Rotten egg gas, hydrogen sulfide, H₂S, can be destroyed by reacting it with oxygen according to this
equation.
2H₂S(g) + 30₂(g) →→2SO₂(g) + 2H₂O(g)
How many moles of sulfur dioxide will be formed and how many moles of which reactant will be left
over after reacting:
3 mol H₂S with 4 mol O₂?
4 mol H₂S with 7 mol O₂?
€
0.2 mol H₂S with 0.35 mol O₂?
d 0.16 mol H₂S with 0.20 mol O₂?
a
b
4 Copper reacts with nitric acid according to this equation.
3Cu(s) + 8HNO3(aq) → 3Cu(NO3)₂(aq) + 2NO(g) + 4H₂O(1)
How many moles of nitric oxide, NO, are formed after mixing:
a 6mol Cu with 15 mol HNO3?
b
0.25 mol Cu with 0.7 mol HNO3?
с
0.5 mol Cu with 0.5 mol HNO3?
Transcribed Image Text:3 Rotten egg gas, hydrogen sulfide, H₂S, can be destroyed by reacting it with oxygen according to this equation. 2H₂S(g) + 30₂(g) →→2SO₂(g) + 2H₂O(g) How many moles of sulfur dioxide will be formed and how many moles of which reactant will be left over after reacting: 3 mol H₂S with 4 mol O₂? 4 mol H₂S with 7 mol O₂? € 0.2 mol H₂S with 0.35 mol O₂? d 0.16 mol H₂S with 0.20 mol O₂? a b 4 Copper reacts with nitric acid according to this equation. 3Cu(s) + 8HNO3(aq) → 3Cu(NO3)₂(aq) + 2NO(g) + 4H₂O(1) How many moles of nitric oxide, NO, are formed after mixing: a 6mol Cu with 15 mol HNO3? b 0.25 mol Cu with 0.7 mol HNO3? с 0.5 mol Cu with 0.5 mol HNO3?
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