A Level Multiple ChoiceSpecific Heat Capacity QuestionsQ1. A continuous stream of water falls through a vertical distance of 100 m. Assume no thermal energy is transferred to the surroundings. The specific heat capacity of water is 4200 J kg−1 K−1 . What is the temperature difference of the water between the top and bottom of the waterfall?
Q2. Axel measures the power of a microwave oven. He places 200 g of water at 23 °C into the microwave and heats it on full power for 1 minute. When he removes it, the temperature of the water is 79 °C. The specific heat capacity of water is 4200 J kg−1 K−1 . What is the average rate at which thermal energy is gained by the water?
|
Follow me...
|