Ch.6 - Thermochemistry WorksheetSee 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: Table 5.2Specific Heats of Some Substances at 298 KElementsSubstanceSpecific Heat (J/g K)N2(g)1.04Al(s)0.90Fe(s)0.45Hg(l)0.14CompoundsSubstanceSpecific Heat (J/g K)H2O(l)4.18CH4(g)2.20CO2(g)0.84CaCO3(

Problem

Table 5.2

Specific Heats of Some Substances at 298 K
Elements
SubstanceSpecific Heat (J/g K)
N2(g)1.04
Al(s)0.90
Fe(s)0.45
Hg(l)0.14
Compounds
SubstanceSpecific Heat (J/g K)
H2O(l)4.18
CH4(g)2.20
CO2(g)0.84
CaCO3(s)0.82


Calculate the energy needed for this temperature change.