Revision: Thermal Physics Report a question What's wrong with this question? You cannot submit an empty report. Please add some details. 10 Thermal Physics - Revision Quiz Test your understanding of Thermal Physics here: 1 / 5 1) To raise the temperature of a 2.0 kg block of metal by 20 ºC, energy of 5.2 kJ is needed. What is the value of the specific heat capacity of the metal? 52 000 J/(kg ºC) 130 J/(kg ºC) 0.13 J/(kg ºC) 52 J/(kg ºC) 2 / 5 2) Liquid X has a specific heat capacity of 80 J/ (kg ºC). What does this mean? 80 J of energy is required to raise the temperature of liquid X by 1 ºC. 80 J of energy is required to raise the temperature of 1 kg of liquid X by 1 ºC. 80 J of energy is required to boil liquid X. 80 J of energy is required to boil 1 kg of liquid X. 3 / 5 3) A pupil adds 37 g of ice at 0 ºC to 100 g of water at 30 ºC. The final temperature of the water and melted ice is 0 ºC. No heat is lost to, or gained from, the surroundings and the ice completely melted. The specific heat capacity of water is 4.2 J/(g ºC). What is the specific latent heat of ice? 341 J/g 12 600 J/g 4700 J/g 47 J/g 4 / 5 4) Four metal cans are identical except for the colour and the texture of their outer surfaces. 100 cm³ of water at 70 ºC is poured into each can. Which cools the most rapidly? C D A B 5 / 5 5) A fixed mass of water at 90.0 ºC is mixed with water at 20.0 ºC that has twice its mass. What is the final temperature of the mixture? 35.0 ºC 23.3 ºC 43.3 ºC 36.7 ºC Your score is Restart quiz
