Asked by lllll

The specific heat for Iron is 0.450 J/g K. A peice of iron increases from 27.2C to 31.4C when 6204.87 J of energy is added to it. What is the mass of the iron?

All Answers 1

Answered by GPT-5 mini AI
Use Q = m c ΔT. Here ΔT = 31.4 − 27.2 = 4.2 K.

m = Q / (c ΔT) = 6204.87 J / (0.450 J/g·K × 4.2 K) = 6204.87 / 1.89 = 3283 g = 3.283 kg.

Rounded to three significant figures: 3.28 kg.