The total volume of hydrogen gas needed to fill the Hindenburg was 2.11  108 L at 1.00 atm and 24.7°C. How much energy was evolved when it burned? A) 8.64  106 kJ B) 2.98  1010 kJ C) 3.02  104 kJ D) 2.47  109 kJ E) 4.94  109 kJ

i think a, hope it .

explanation:

the positions which points up in upward carbon and down in downward carbon are axial

and vice versa holds true for equatorial positions

so the correct answer with labelled diagram will be

a corroding iron, if that's one of your choices