An 80 W electric heater is used to heat 1000 cm³ volume of water initially at 15 °C, placed in a steel container of mass 0.0600 kg. Both the water and the container are in thermal equilibrium.
Specific heat capacity of water = 4184 J/kg°C
Specific heat capacity of steel = 510 J/kg°C
Density of water = 1000 kg/m³
a. Calculate the energy needed to raise the temperature of the system to 80.0 °C.
b. Determine the total time needed to raise the temperature of the system to 80.0 °C. The specific latent heat of vaporization of water is 2.26 × 10⁶ J/kg.
c. Define specific latent heat of vaporization.
d. Calculate the total energy required to convert all the water to steam at 100 °C from its initial temperature of 15.0 °C.