42. Solution to Chemistry Problem

42. Solution to Chemistry Problem

7. Calculate the thermal effect of the formation of substance A from simple substances at 298 K and standard pressure, if its heat heat is known at this temperature and standard pressure [S. X., vol. 1]. Combustion occurs to CO2 (G) and H2O (g).

Option substance a formula condition
7 prophylamine C3H5N w.

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