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: For each of these equations, determine the change in the number of moles of gas, Δngas. (a) (NH4)2CO3 (s) → 2NH3 (g) + CO2 (g) + H2O (g) (b) H2 (g) + Cl2 (g) → 2HCl (g) (c) 2H2 (g) + O2 (g) → 2 H2O(l) (d) 2Na (s) + Cl2 (g) → 2NaCl (s)

Problem

For each of these equations, determine the change in the number of moles of gas, Δngas

(a) (NH4)2CO3 (s) → 2NH3 (g) + CO2 (g) + H2O (g) 

(b) H2 (g) + Cl2 (g) → 2HCl (g) 

(c) 2H2 (g) + O2 (g) → 2 H2O(l) 

(d) 2Na (s) + Cl2 (g) → 2NaCl (s)