1.

If the enthalpies of formation of C_3H_8(g), CO_2(g) and H_2O(l) at standard conditions are -104 kJ mol^-1, -394 kJ mol^-1 and -286 kJ mol^-1 respectively then the standard anthalpy of combustion of 66 g of C_3H_8(g) will be

Answer»

`- 2222 KJ`
` - 2500 kJ`
`- 784 kJ`
`- 3333 kJ`

ANSWER :C


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