Question

Convert 8.2 × 105
cal to kiloJoules.
Answer in units of kJ.

How much energy would be absorbed as heat
by 58 g of iron when heated from 295 K to
307 K?
Answer in units of J.

Answer 1

8.5 calories to kJ.
8.5 calories x 4.182 J/calorie = 35.564 J = 0.035 kJ