2. The hydrogenation of coal is a method of producing methane by the following reaction: Ca + 2H2@) → CH«2 AH = ? Find the AH by using the enthalpy changes in the following combustion reactions. Ca + Oze → CO22 Hze + ½ Oze → H2O@ CH2 + 202e → CO2e + 2H20M AH =- 394 kJ AH =- 286 kJ AH =- 891 kJ

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2. The hydrogenation of coal is a method of producing methane by the following reaction:
CO + 2H2@) → CH)
AH = ?
Find the AH by using the enthalpy changes in the following combustion reactions.
Ca + Oze) → CO2«)
H2e + ½ O22) → H2O0
CHA(2) + 202e) → CO2e) + 2H20)
AH =- 394 kJ
AH =- 286 kJ
AH =- 891 kJ
Transcribed Image Text:2. The hydrogenation of coal is a method of producing methane by the following reaction: CO + 2H2@) → CH) AH = ? Find the AH by using the enthalpy changes in the following combustion reactions. Ca + Oze) → CO2«) H2e + ½ O22) → H2O0 CHA(2) + 202e) → CO2e) + 2H20) AH =- 394 kJ AH =- 286 kJ AH =- 891 kJ
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