Use the values of AH£° to calculate AH° for the following reactions. Substance and State AHf ° (kJ/mol) Cas (PO4)2 (s) CaSO4(8) -4126 -1433 CH4 (g) HCN(g) HCI(9) H2O(g) NH3 (g) NHẠ Cl(s) 02 (9) H3PO4(1) H2SO4 (1) -75 135.1 -92 -242 -46 -314 -1267 -814 а. (g) + (g) + (8) + (8) ON ΔΗ' kJ b. Caz (PO4)2 (8) + 3H2SO4 (1) → 3CaSO, (s) + 2H3P04(1) AH° kJ = c. NH3 (9) + HC1(g) → NH4 C1(s) ΔΗ' kJ

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Chapter1: Chemical Foundations
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Use the values of AH£° to calculate AH° for the following reactions.
Substance and State AHf ° (kJ/mol)
Cas (PO4)2 (s)
CaSO4(8)
CH4 (g)
HCN(g)
HCI(9)
H2O(g)
NH3 (g)
NHẠ Cl(s)
02 (9)
H3PO4(1)
H2 SO4 (1)
-4126
-1433
-75
135.1
-92
-242
-46
-314
-1267
-814
а.
+
(g) +
(g) +
(8)
ON
ΔΗ'
kJ
b. Caz (PO4)2 (8) + 3H2SO4 (1) → 3CaSO, (s) + 2H3P04(1)
AH°
kJ
=
c. NH3 (g) + HCI(g) → NH4 CI(s)
ΔΗ'
kJ
Transcribed Image Text:Use the values of AH£° to calculate AH° for the following reactions. Substance and State AHf ° (kJ/mol) Cas (PO4)2 (s) CaSO4(8) CH4 (g) HCN(g) HCI(9) H2O(g) NH3 (g) NHẠ Cl(s) 02 (9) H3PO4(1) H2 SO4 (1) -4126 -1433 -75 135.1 -92 -242 -46 -314 -1267 -814 а. + (g) + (g) + (8) ON ΔΗ' kJ b. Caz (PO4)2 (8) + 3H2SO4 (1) → 3CaSO, (s) + 2H3P04(1) AH° kJ = c. NH3 (g) + HCI(g) → NH4 CI(s) ΔΗ' kJ
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