1687J1687J 1687J
25.79kJ25.79kJ 25.79kJ
29.05kJ29.05kJ 29.05kJ
2.9×106 J2.9 \times 10^{6} \mathrm{~J}2.9×106 J
2.55×105 J2.55 \times 10^{5} \mathrm{~J}2.55×105 J