1. The combustion of ethene, C2H4, is an exothermic reaction. Use the information below to
determine the amount of energy given off when 2.3 moles of ethene is combusted.
C2H4 + 302-> 2 CO2 + H2O
AH= - 1390 kJ
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Ответ:
Explanation:
Joule's law of heating states that, when a current 'i ' passes through a conductor of resistance 'r' for time 't' then the heat developed in the conductor is equal to the product of the square of the current, the resistance and time.