77. Solving a chemistry problem

77. Solving a chemistry problem

4. Calculate the enthalpy of the reaction under standard conditions С2Н6(g) 7/2 O2(g) ↔ 2СO2-(g) 3Н2O (g); ∆Nob(H2O)=-241.8 kJ/mol; ∆Nob(CO2)=-393.5 kJ/mol; ∆Nob(C2H6) = -89.7 kJ/mol.

Additional information:

If you do not open the file - install the RAR archiver. Inside the archive you will find a solution in Word format.