Question:

S + O2 -> SO2 + 70.8 kcal Based on the reaction shown, which statement is true?

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A). 70.8 kcal are produced when 1 g of sulfur reacts

B). 70.8 kcal are consumed when 1 g of sulfur reacts

C). 70.8 kcal are produced when 32.1 g of sulfur reacts

D). 70.8 kcal are consumed when 32.1 g of sulfur reacts.

E). 70.8 kcal are produced when 1 g of sulfur dioxide is produced.

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2 ANSWERS


  1. C


  2. The equation means that 70.8 kcal are produced when one mole S reacts as shown.

    Take it from there. Good luck.

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