141. Solving a chemistry problem

141. Solving a chemistry problem

Calculate the standard heat of formation of C2H5NO2 (l) if its heat of combustion at T = 298 K and P = 1.0133 • 105 N / m2 is equal to - 981.852 • 103J / mol. Combustion products СО2 (gas), Н2О (l), N2. С (gr) + O2 = СО2 (g) -393.795 • 103 J / mol, H2 + 1 / 2О2 = Н2О (l) -286.043 • 103 J / mol.

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