Question

Carry out the following conversions.

Note: Reference the Conversion factors for non-SI units and SI prefixes tables for additional information.

Part 1 of 2

42. J to cal. Be sure your answer has the correct number of significant figures.

cal

x10

X

Part 2 of 2

651. kcal to kJ. Be sure your answer has the correct number of significant figures.

Answer 1

[AI-generated answer — Bot GPT 3.5]

Part 1:

42 J x 0.239006 cal/J = 10 cal

Part 2:
651 kcal x 4.184 kJ/kcal = 2719 kJ