Ch.14 - Chemical EquilibriumWorksheetSee 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: Silane (SiH4) has not been observed in the atmosphere of Saturn. The absence of silane is believed to be due to the reactionSiH4(g) + Mg(OH)2(g) + H2O(g) ⇌ MgSiO3(s) + 4H2(g)As the temperature is rais

Problem

Silane (SiH4) has not been observed in the atmosphere of Saturn. The absence of silane is believed to be due to the reaction

SiH4(g) + Mg(OH)2(g) + H2O(g) ⇌ MgSiO3(s) + 4H2(g)

As the temperature is raised, the partial pressure of H2 increases. What does this tell you about the reaction?

a) The number of moles of gas increases on going from reactant to products

b) The reaction is endothermic

c) The reaction is exothermic

d) The reaction is heterogeneous (involving more than one phase)

e) Mg(OH)2 does not obey the ideal gas law