January 2019 1 19 Report
Diketahui 2C2H2 (g) + 5O2 (g) = 4CO2 (g) + 2H2O (g)
delta H = -2600 kj
jika entalpi pembekuan CO2 dan H2O berturut turut -395 kj dan -285 kj, entalpi pmbentukan C2H2 sebesar...? kj
a. +450
b. +225
c. -225
d. -300
e. -450

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