Question

500g de gelo a 0°c, considerando C gelo = 0,55 cal/g°c

Answer 1

m = 500 g

c = 0,55 cal/g°C

Δθ = 30 °C

Q = ?

Q = m.c.Δθ

Q = 500 * 0,55 * 30

Q = 8.250 cal