Consider the reaction shown: P₄(s)+ 10 Cl₂(g)→ 4 PCl₅(s)+ 452 kcal When 50.00 g of P₄ react,________ kcal will be ________.

Question

Quizplus · Accepted Answer

The reaction produces 452 kcal and the question asks for the amount of energy when 50.00 g of P₄ reacts. Therefore, the kcal must be produced. Choice D is the only one that indicates production of energy and has the correct value of 182.4 kcal (50.00 g of P₄ produces 182.4 kcal according to the reaction).

Consider the Reaction Shown