January 2019 2 26 Report
1.) Diketahui reaksi 2H2O(l) ⇒ 2H2(q) + O2(q) ΔH = +570 kj maka perubahan entalpi pembentukan H2O adalah...
a. -285 Kj
b. -570 Kj
c. +570 Kj
d. +1140 Kj
e. +285 Kj
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