The combustion reaction occuring in an automobile is `2C_(8)H_(18)+25O_(2)(g) to16CO_(2)(g)+18H_(2)O(g)` This reaction is accompanied with:

Following reaction occurring in an automobile 2C_(8)H_(18)(g)+25O_(2)(g) to 16CO_(2)(g)+18H_(2)O(g) . The sign of triangleH, triangleS and triangleG would be-

Consider the following reaction occurring in an automobile 2C_8H_(18(g))+25O_(2(g)rarr16CO_(2(g)+18H_2O_(g) the sign of DeltaH,DeltaS and DeltaG would be

For the following reaction occuring in an automobile 2C_8H_18(g)+25O_2(g)rarr 16 CO_2(g)+18H_2O(g) the sign of Delta H ,Delta S and Delta G would be

The equation for the burning of octane is 2C_(8)H_(18) + 25O_(2) to 16CO_(2) + 18H_(2)O What is the empirical formula of octane ?