How many gram of ice at -14°C are needed to cool 200 gram of water from 25°C to 10°C. Take specific heat of ice = 0.5 cal/g/degree C and latent heat of ice = 80 cal/g?
How much energy would it take to heat a section of the copper tubing that weighs about 615.0 g , from 13.74 ∘C to 28.12 ∘C ? Copper has a specific heat of 0.3850 J/ (g⋅∘C).