Question

5 g of copper was heated from 20°C to 80°C. How much heat energy was used to heat copper? (specific heat capacity of Copper is 0.092 cal g^-1°C^-1)
(A) 27.6 cal
(B) 0.0276 cal
(C) 29.5 cal
(D) 2.76 cal

Answer 1

answer is a) 27.6 cal

Answer 2

Answer:

27.6 calories

Explanation:

80-20=60°C

60×5=300

specific heat capacity of copper is 0.092 cal g^-1 c^-1

therefore 300 × 0.092= 27.6 cal