Question

Perform the conversions between energy units. 847 kJ = 2635 kcal = 8.72 x 10Ⓡ J = kcal

Answer 1

① 847 KJ We know that 1K5 = 20°5 84745 x 1039 = 845 = 847 X10'J 145 :: 847kJ = 847X10'J -8.47x1095 © 26 35 kcal we know that I cal = 4.184 J 1 kcal = 10 cal 2635 kaf x 10% cat 2635 kcal X 10 a, x 4.184 J x 1KJ 1 . lkeat 1 car 1033 - 44 0948 4k 3 2635kcal = 11025kJ cs Scanned w11025kJ CamScanner

® 8. 7axloog we know that I cal = 4.184 I 1 kcal = local, IR J = 1095 8:72x166 J x 1 cat, x kcal . 4. 1848 10² car = 2.084 X10kcal = 2084 kcal 1:8.72x106 J = 2084 kcal Scanned with CamScanner