September 2018 1 3K Report
Diketahui energi ikatan rata-rata:
C-H =414 kj/mol C-O=357 kj/mol
C-C =346 kj/mol H-H=436 kj/mol
C=O =740 kj/mol O-H=464 kj/mol
Perubahan entalpi reaksi C2H4O + H2 --> C2H6O
a. -2410 kj d.+59
b. -241 kj e.+2410
c. -59
please, bantuannya teman-teman????? pkai cara, ya??

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