Question $2$: When $0\mathrm{.}312g$ of glucose wos burned in a bumb calorimeter whose colorimeter constont is $641\frac{J}{k}$ the temp. rise by $7\mathrm{.}793K.$ Col$-$ulote,

a$-)$ Standord molor entholpy of combustion,

b$-)$ Stondord enthalpy of formotion glucole,

c$-)$ Why the heot of combustion is importont.