150. Calculate using the data in Table. 1, the thermal effect (ΔHr0) of the reaction C2H6(g)→C2H4(g) H2(g) at 150 C, assuming that the heat capacity of the reaction participants is constant in the temperature range from 25 C to 150 C. What will be the change in the internal energy of the system during the reaction under these conditions?

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