Video solusi : Diantara persamaan termokimia di bawah ini
a. Mg(OH)_(2)(s) -> Mg(s)+O_(2)(g)+H_(2)(g) Delta H= +925 ~kJ
b. C_(6) H_(12) O_(6)(s)+6 O_(2)(g) -> 6 CO_(2)(g)+6 H_(2) O(l) Delta H=- 2.820 ~kJ
c. CaO(s)+CO_(2)(g) -> CaCO_(3) (s) Delta H=+1.207 ~kJ
d. Ca(s)+C(s)+O_(2)(g) -> CaCO_(3)(s) Delta H=-1.207 ~kJ
e. 2 CO_(2)(g)+3 H_(2) O(l) -> C_(2) H_(5) OH(l)+3 O_(2) Delta H= +1.380 ~kJ
Tentukan manakah yang tergolong
i. Delta H_(f) ii. Delta H d iii. Delta H_(c)