October 2019 1 34 Report
1. Hitunglah ∆H pembentukan CaC2, jika diketahui :
CaO + 3C ® CaC2 + CO ∆ H = + 462,3 kJ
C + ½ O2 ® CO ∆ H = - 110,5 kJ
CaCO3 ® CaO + CO2 ∆ H = + 117,9 kJ
Ca+ C + 3/2 O2 ® CaCO3 ∆H = - 1207,1 kJ
CO + ½O2 ® CO2 ∆H = - 283,3 kJ
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