Respuesta :

Answer:

33.3 J

Explanation:

From the question above,

Q = cm(Δt)................... Equation 1

Where Q = Amount of heat, c = specific heat capacity of iron, m = mass of iron, Δt = change in temperature.

Given: c = 0.444 J/g°C, m = 50 g, Δt = 15 °C

Substitute these values into equation 1

Q = 0.444(50)(15)

Q = 33.3 J

Hence the amount of heat need is 33.3 J