The balanced equation below represents the reaction of glucose, C6H12O6, with oxygen at 298 K and 101.3 kPa.

C6H12O6 (s) + 6O2 (g) → 6CO2 (g) + 6H2O (ℓ)

Determine the mass of CO2 produced when 9.0 grams of glucose completely reacts with 9.6 grams of oxygen to produce 5.4 grams of water. [1]

Compare the entropy of the reactants to the entropy of the products. [1]

Write the empirical formula for glucose. [1]

Question

Freddy Goodman

Chemistry

7 February, 11:29

The balanced equation below represents the reaction of glucose, C6H12O6, with oxygen at 298 K and 101.3 kPa.

C6H12O6 (s) + 6O2 (g) → 6CO2 (g) + 6H2O (ℓ)

Determine the mass of CO2 produced when 9.0 grams of glucose completely reacts with 9.6 grams of oxygen to produce 5.4 grams of water. [1]

Compare the entropy of the reactants to the entropy of the products. [1]

Write the empirical formula for glucose. [1]

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Answers (1)

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Fleming · Answer 1

The total mass of the reaction will not change. So the mass of CO2 is 9.0+9.6-5.4=13.2 g. The entropy of O2 and CO2 is the same. But the entropy of liquid is bigger than solid. So the reactants has less entropy. The empirical formula for glucose is CH2O.