one

atmosphere (

atm) is 101,325 Pa

one

calorie (cal) is 4.184 J

one

joule (J) is 0.0002390057361 kcal (derived from above)

one

joule is (J) 1.439325215 x 10^20 kcal/mole (derived from above)

one

kcal/

mole is 6.947700141 x 10^-21 J (derived from above)

one

Hartree is 627.5095 Kcal/

mol is 27.2116 ev is 4.3597482 x 10^-18 J

2
one electron volt (ev) is 1.602 177 33 x 10^-19 J

1
1,000 kg of

crude oil is about 7.3

barrels
one

barrel is 158.9873

liters
See also '

Everything Kitchen Conversion Table'