我想問幾條問題..........係想問點解...所以唔該比個STEP我
1. 點解condensation occurs at any temperature?
2. An immersion heater of power 200W can boil away a liquid of boiling point of 80°C at a rate of 1.6 x 10^-4 kg s^-1 . Assuming all the energy given out by the heater is absorbed by the liquid, find the specific latent heat of vaporization of the liquid.
3. Ice cubes of 25g at 0°C are dropped into a beaker containing 250g of water at 40°C. What is the final temperature of the mixture? Assume no energy is lost to the surroundings.
4. When 0.3kg of ice at 0°C mixes with 1kg of water at 20°C, what is the final mixture?
