Question

What mass of mercury would require 65.5 J of energy to raise the temerature of 20°C to 100°C? The specific heat of mercury is 0.140 J/g*°C.

Answer 1

Answer:
5.8 g
8.7 g
730 g
0.17 g

Answer 2

@aaronq

Answer 3

Q = mc(dT)

65.5 ~J = m (0.140 J/g*°C)(80 °C)

\(m = \dfrac{65.5 J}{(0.140 \frac{J}{g~°C})(80 °C)}\)