Most ethylene (C2H4), the starting material for producing polyethylene, comes from petroleum processing. It also occurs naturally as a fruit-ripening hormone and as a component of natural gas. (a) The heat transferred during combustion of C2H4 is -1411 kJ/mol. Write a balanced thermochemical equation. (b) How many grams of C2H4 must burn to give 70.0 kJ of heat?

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Most ethylene (C2H4), the starting material for producing polyethylene, comes from petroleum processing. It also occurs naturally as a fruit-ripening hormone and as a component of natural gas. (a) The heat transferred during combustion of C2H4 is -1411 kJ/mol. Write a balanced thermochemical equation. (b) How many grams of C2H4 must burn to give 70.0 kJ of heat?

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