Answer to Question #168994 in Physical Chemistry for Hazel Pham

Question

Glucose reacts with oxygen and undergoes combustion to give carbon dioxide and water, as shown below:

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

The standard molar enthalpy change for the reaction is –2808 kJ/mol.

The enthalpy change of the reaction for 1.00 g of glucose is  kJ.

Answer 1

□H = -2808 kJ/mol

Molar mass of glucose = 180 g

180 g glucose has □H = -2808 kJ

1 g glucose has □H = -2808/180

= -15.6 kJ

Enthalpy of reaction = [-15.6] kJ