Science Homework Help
Science Homework Help. calculating enthalpy change
Ca+2C –> CaC2 deltaH= -62.8kJ
Ca+1/2 O2 —> CaO delta H= -635.5kJ
CaO+H2O —> Ca(OH)2 delta H= -653.1kJ
C2H2+5/2 O2 —-> 2CO2 H2O delta H= -1300 kJ
C+O2 —> CO2 delta H= -393.5kJ
calculate delta H for CaC2+2H2O –> Ca(OH)2+C2H2
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