Ch.3 - Chemical ReactionsSee all chapters
All Chapters
Ch.1 - Intro to General Chemistry
Ch.2 - Atoms & Elements
Ch.3 - Chemical Reactions
BONUS: Lab Techniques and Procedures
BONUS: Mathematical Operations and Functions
Ch.4 - Chemical Quantities & Aqueous Reactions
Ch.5 - Gases
Ch.6 - Thermochemistry
Ch.7 - Quantum Mechanics
Ch.8 - Periodic Properties of the Elements
Ch.9 - Bonding & Molecular Structure
Ch.10 - Molecular Shapes & Valence Bond Theory
Ch.11 - Liquids, Solids & Intermolecular Forces
Ch.12 - Solutions
Ch.13 - Chemical Kinetics
Ch.14 - Chemical Equilibrium
Ch.15 - Acid and Base Equilibrium
Ch.16 - Aqueous Equilibrium
Ch. 17 - Chemical Thermodynamics
Ch.18 - Electrochemistry
Ch.19 - Nuclear Chemistry
Ch.20 - Organic Chemistry
Ch.22 - Chemistry of the Nonmetals
Ch.23 - Transition Metals and Coordination Compounds

Solution: Consider the reaction: 2 NO(g) + 5 H 2(g) → 2 NH3(g) + 2 H2O(g) A reaction mixture initially contains 5 moles of NO and 10 moles of H 2. 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

Problem

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

A reaction mixture initially contains 5 moles of NO and 10 moles of H 2. 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