Chemistry, 07.05.2020 02:13 harrisakeeyah
4. Data: Substance H2O(l) CO2(g) Ethane, C2H6(g) Ethene, C2H4(g) DHfq/kJ mol-1 –285.5 –393 –83.6 +52.6 (a) Write equation for the complete combustion of: (i) ethane (ii) ethene (iii) hydrogen (b) Calculate the enthalpy of combustion in each case. (c) From the results obtained in (b), calculate the enthalpy change for the reaction: C2H4(g) + H2(g) ® C2H6(g)
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4. Data: Substance H2O(l) CO2(g) Ethane, C2H6(g) Ethene, C2H4(g) DHfq/kJ mol-1 –285.5 –393 –83.6 +52...
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