CalciumΔHof (kJ/mol)ΔGof (kJ/mol)So (J/mol K)Ca (s)0041.4Ca (g)178.2144.3158.9Ca2+ (g)1925.9 CaC2 (s)-59.8-64.970.0CaCO3 (s, calcite)-1206.9-1128.892.9CaCl2 (s)-795.8-748.1104.6CaF2 (s)-1219.6-1167.368.9CaH2 (s)-186.2-147.242.0CaO (s)-635.1-604.039.8CaS (s)-482.4-477.456.5Ca(OH)2 (s)-986.1-898.583.4Ca(OH)2 (aq)-1002.8-868.1-74.5Ca3(PO4)2 (s)-4126.0-3890.0241.0CaSO4 (s)-1434.1-1321.8106.7CaSiO3 (s)-1630.0-1550.084.0 CarbonΔHof (kJ/mol)ΔGof (kJ/mol)So (J/mol K)C (s, graphite)005.7C (s, diamond)1.92.92.4C (g)716.7671.3158.1CCl4 (l)-135.4-65.2216.4CCl4 (g)-102.9-60.6309.9CHCl3 (l)-134.5-73.7201.7CHCl3 (g)-103.1-70.3295.7CH4 (g)-74.8-50.7186.3CH3OH (g)-200.7-162.0239.8CH3OH (l)-238.7-166.3126.8H2CO (g)-116.0-110.0219.0HCOOH (g)-363.0-351.0249.0HCN (g)135.1125.0202.0C2H2 (g)226.7209.2200.9C2H4 (g)52.368.2219.6CH3CHO (g, acetaldehyde)-166.0-129.0250.0C2H4O (g, ethylene oxide)-53.0-13.0242.0CH3CH2OH (l)-277.7-174.8160.7CH3CH2OH (g)-235.1-168.5282.7CH3COOH (l)-484.0-389.0160.0C2H6 (g)-84.7-32.8229.6C3H6 (g)20.962.7266.9C3H8 (g)-103.8-23.5269.9CH2=CHCN (l)152.0190.0274.0C6H6 (l)49.0124.5172.8C6H12O6 (s)-1275.0-911.0212.0CO (g)-110.5-137.2197.7CO2 (g)-393.5-394.4213.7CS2 (g)117.467.1237.8COCl2 (g)-218.8-204.6283.5 Consider the reaction:СаСОз{(s) —СаО(9) + СO2(g)Using standard thermodynamic data at 298K, calculate the free energy change when 2.20 moles of CaCO3(s) react at standard conditions.AG°,kJrxn

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Answered: Consider the reaction: СаСОз{(s)…

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Chapter15: Energy And Chemical Change

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Calcium	ΔH^o_f (kJ/mol)	ΔG^o_f (kJ/mol)	S^o (J/mol K)
Ca (s)	0	0	41.4
Ca (g)	178.2	144.3	158.9
Ca²⁺ (g)	1925.9
CaC₂ (s)	-59.8	-64.9	70.0
CaCO₃ (s, calcite)	-1206.9	-1128.8	92.9
CaCl₂ (s)	-795.8	-748.1	104.6
CaF₂ (s)	-1219.6	-1167.3	68.9
CaH₂ (s)	-186.2	-147.2	42.0
CaO (s)	-635.1	-604.0	39.8
CaS (s)	-482.4	-477.4	56.5
Ca(OH)₂ (s)	-986.1	-898.5	83.4
Ca(OH)₂ (aq)	-1002.8	-868.1	-74.5
Ca₃(PO₄)₂ (s)	-4126.0	-3890.0	241.0
CaSO₄ (s)	-1434.1	-1321.8	106.7
CaSiO₃ (s)	-1630.0	-1550.0	84.0

Carbon	ΔH^o_f (kJ/mol)	ΔG^o_f (kJ/mol)	S^o (J/mol K)
C (s, graphite)	0	0	5.7
C (s, diamond)	1.9	2.9	2.4
C (g)	716.7	671.3	158.1
CCl₄ (l)	-135.4	-65.2	216.4
CCl₄ (g)	-102.9	-60.6	309.9
CHCl₃ (l)	-134.5	-73.7	201.7
CHCl₃ (g)	-103.1	-70.3	295.7
CH₄ (g)	-74.8	-50.7	186.3
CH₃OH (g)	-200.7	-162.0	239.8
CH₃OH (l)	-238.7	-166.3	126.8
H₂CO (g)	-116.0	-110.0	219.0
HCOOH (g)	-363.0	-351.0	249.0
HCN (g)	135.1	125.0	202.0
C₂H₂ (g)	226.7	209.2	200.9
C₂H₄ (g)	52.3	68.2	219.6
CH₃CHO (g, acetaldehyde)	-166.0	-129.0	250.0
C₂H₄O (g, ethylene oxide)	-53.0	-13.0	242.0
CH₃CH₂OH (l)	-277.7	-174.8	160.7
CH₃CH₂OH (g)	-235.1	-168.5	282.7
CH₃COOH (l)	-484.0	-389.0	160.0
C₂H₆ (g)	-84.7	-32.8	229.6
C₃H₆ (g)	20.9	62.7	266.9
C₃H₈ (g)	-103.8	-23.5	269.9
CH₂=CHCN (l)	152.0	190.0	274.0
C₆H₆ (l)	49.0	124.5	172.8
C₆H₁₂O₆ (s)	-1275.0	-911.0	212.0
CO (g)	-110.5	-137.2	197.7
CO₂ (g)	-393.5	-394.4	213.7
CS₂ (g)	117.4	67.1	237.8
COCl₂ (g)	-218.8	-204.6	283.5

Consider the reaction:
СаСОз{(s) —СаО(9) + СO2(g)
Using standard thermodynamic data at 298K, calculate the free energy change when 2.20 moles of CaCO3(s) react at standard conditions.
AG°,
kJ
rxn

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Consider the reaction: СаСОз{(s) —СаО(9) + СO2(g) Using standard thermodynamic data at 298K, calculate the free energy change when 2.20 moles of CaCO3(s) react at standard conditions. AG°, kJ rxn