Asked by Jill
Calcium oxide and carbon are reacted to produce carbon monoxide and calcium carbide CaC2. When one mole of calcium carbide is formed, 464.8kJ is absorbed.
How many grams of carbon are used up when 20.00kJ of heat is absorbed?
How many grams of carbon are used up when 20.00kJ of heat is absorbed?
Answers
Answered by
DrBob222
CaO + 3C ==> CO + CaC2
464.8 kJ is produced when 1 mol (64g) CaC2 is formed or 3 mol C (36g) is used.
36g C x (20.00 kJ/464.8 kJ) = ? g C used.
464.8 kJ is produced when 1 mol (64g) CaC2 is formed or 3 mol C (36g) is used.
36g C x (20.00 kJ/464.8 kJ) = ? g C used.
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