An Energy Input of 227 KJ Is Required to Form

An energy input of 227 kJ is required to form acetylene from its elements. Convert this energy to units of calories.

A) 9.50 x 10² cal
B) 9.50 x 10⁵ cal
C) 0.227 cal
D) 54.3 cal
E) 5.43 x 10⁴ cal