Ch. 17 - Chemical ThermodynamicsSee 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: What is the ΔG (kJ/mol) for a reaction at 25 Celsius that is: Mg3(PO4)2 (s) → 3 Mg2+(aq) + 2 PO43− (aq)       ΔG° = 137.0 kJ/mol If there is initially 0.65 M Mg2+ (aq) and 0.43 M PO43−(aq) in solution? A. 129.6 B. 134.0 C. 137.0 D. 140.0 E. 144.4

Problem

What is the ΔG (kJ/mol) for a reaction at 25 Celsius that is:

Mg3(PO4)2 (s) → 3 Mg2+(aq) + 2 PO43− (aq)       ΔG° = 137.0 kJ/mol

If there is initially 0.65 M Mg2+ (aq) and 0.43 M PO43−(aq) in solution?

A. 129.6

B. 134.0

C. 137.0

D. 140.0

E. 144.4