5. Determine the standard heat of formation for methyl bromide, CH3Br(g), given the following equation: CH3Br(g) + H₂(g) ---> CH4(g) + HBr(g) AH° = -73.60 kJ

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5. Determine the standard heat of formation for methyl bromide, CH3Br(g), given the
following equation:
CH3Br(g) + H₂(g) ---> CH₂(g) + HBr(g) AH° = -73.60 kJ
TABLE 5.3 Standard Enthalpies of Formation, AH, at 298 K
Formula
Substance
AH', (kJ/mol)
226.7
C₂H₂(8)
NH,(8)
-46.19
CH(D)
49.0
CaCO3(s)
CaO(s)
CO₂(8)
CO(g)
C(s)
C₂H5(8)
C₂H5OH(1)
C₂H₁ (8)
C6H12O6(S)
HBr(g)
Substance
Acetylene
Ammonia
Benzene
Calcium carbonate
Calcium oxide
Carbon dioxide
Carbon monoxide
Diamond
Ethane
Ethanol
Ethylene
Glucose
Hydrogen bromide
-1207.1
-635.5
-393.5
-110.5
1.88
-84.68
-277.7
52.30
-1273
-36.23
Hydrogen chloride
Hydrogen fluoride
Hydrogen iodide
Methane
Methanol
Propane
Silver chloride
Sodium bicarbonate
Sodium carbonate
Sodium chloride
Sucrose
Water
Water vapor
Formula
HCI(g)
HF(g)
HI(g)
CH₂(8)
CH₂OH(1)
C₂Hs(8)
AgCl(s)
NaHCO₂ (s)
Na₂CO3(s)
NaCl(s)
C12H22011 (5)
H₂O (1)
H₂O(g)
AH', (kJ/mol)
-92.30
-268.60
25.9
-74.80
-238.6
-103.85
-127.0
-947.7
-1130.9
-410.9
-2221
-285.8
-241.8
Transcribed Image Text:5. Determine the standard heat of formation for methyl bromide, CH3Br(g), given the following equation: CH3Br(g) + H₂(g) ---> CH₂(g) + HBr(g) AH° = -73.60 kJ TABLE 5.3 Standard Enthalpies of Formation, AH, at 298 K Formula Substance AH', (kJ/mol) 226.7 C₂H₂(8) NH,(8) -46.19 CH(D) 49.0 CaCO3(s) CaO(s) CO₂(8) CO(g) C(s) C₂H5(8) C₂H5OH(1) C₂H₁ (8) C6H12O6(S) HBr(g) Substance Acetylene Ammonia Benzene Calcium carbonate Calcium oxide Carbon dioxide Carbon monoxide Diamond Ethane Ethanol Ethylene Glucose Hydrogen bromide -1207.1 -635.5 -393.5 -110.5 1.88 -84.68 -277.7 52.30 -1273 -36.23 Hydrogen chloride Hydrogen fluoride Hydrogen iodide Methane Methanol Propane Silver chloride Sodium bicarbonate Sodium carbonate Sodium chloride Sucrose Water Water vapor Formula HCI(g) HF(g) HI(g) CH₂(8) CH₂OH(1) C₂Hs(8) AgCl(s) NaHCO₂ (s) Na₂CO3(s) NaCl(s) C12H22011 (5) H₂O (1) H₂O(g) AH', (kJ/mol) -92.30 -268.60 25.9 -74.80 -238.6 -103.85 -127.0 -947.7 -1130.9 -410.9 -2221 -285.8 -241.8
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