Problem: Consider the reaction: 2 NO(g) + 5 H2(g) → 2 NH3(g) + 2 H2O(g)A reaction mixture initially contains 5 moles of NO and 10 moles of H2. Which set of amounts best represents the mixture after the reactants have reacted as completely as possible? A) 1 mol NO, 0 mol H2, 4 mol NH3, 4 mol H2OB) 0 mol NO, 0 mol H2, 4 mol NH3, 4 mol H2OC) 3 mol NO, 5 mol H2, 2 mol NH3, 2 mol H2OD) 0 mol NO, 1 mol H2, 5 mol NH3, 5 mol H2OE) 3 mol NO, 0 mol H2, 4 mol NH3, 2 mol H2O

FREE Expert Solution
94% (287 ratings)
Problem Details

Consider the reaction: 2 NO(g) + 5 H2(g) → 2 NH3(g) + 2 H2O(g)

A reaction mixture initially contains 5 moles of NO and 10 moles of H2. Which set of amounts best represents the mixture after the reactants have reacted as completely as possible?

A) 1 mol NO, 0 mol H2, 4 mol NH3, 4 mol H2O

B) 0 mol NO, 0 mol H2, 4 mol NH3, 4 mol H2O

C) 3 mol NO, 5 mol H2, 2 mol NH3, 2 mol H2O

D) 0 mol NO, 1 mol H2, 5 mol NH3, 5 mol H2O

E) 3 mol NO, 0 mol H2, 4 mol NH3, 2 mol H2O

Frequently Asked Questions

What scientific concept do you need to know in order to solve this problem?

Our tutors have indicated that to solve this problem you will need to apply the Limiting Reagent concept. You can view video lessons to learn Limiting Reagent. Or if you need more Limiting Reagent practice, you can also practice Limiting Reagent practice problems.

What is the difficulty of this problem?

Our tutors rated the difficulty ofConsider the reaction: 2 NO(g) + 5 H2(g) → 2 NH3(g) + 2 H2O(...as medium difficulty.

How long does this problem take to solve?

Our expert Chemistry tutor, Jules took 4 minutes and 2 seconds to solve this problem. You can follow their steps in the video explanation above.

What professor is this problem relevant for?

Based on our data, we think this problem is relevant for Professor Summers' class at UAA.