There are several units for expressing energy, Most common are joules and kilocalories.
The conversion factor of joule to kilocalories is
1 kilo calorie = 4184 J
∴ x kilo calorie = 256 J
x =

kilo calories
Thus, 256 J = 0.0611 kilocalories
Carbon is located in the fourth group, second period. It is also in the nonmetal section of the table as well
The pressure is 902 x10 as it has partial adequates which is linguistic in an average point