question_answer

The standard heat of formation of  \[C{{H}_{4}}_{(g)},C{{O}_{2(g)}}\]  and  \[{{H}_{2}}{{O}_{(g)}}\] are -76.2, -394.8 and -241.6 kJ  \[\text{mo}{{\text{l}}^{-1}}\]  respectively. The amount of heat evolved (in kJ) by burning \[1{{m}^{3}}\]  of methane measured at NTP is  \[x\times {{10}^{4}}\] . The value of x is ________.

Answer:

3.58