January 2019 1 22 Report
Diketahui reaksi :
N2 + 3H2 -> 2NH3 ∆H = -34 kJ
Maka, kalor yang dibebaskan bila 56 gram gas nitrogen bereaksi (Ar N=14) adalah...
A. 34 kJ
B. 68 kJ
C. 102 kJ
D. 136 kJ
E. 170 kJ

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