1. To sterilize a 50 -g glass baby bottle, we must raise its temperature from 17 °C to 95 °C. How much heat transfer is
Posted: Sun May 22, 2022 10:17 am
1. Two samples (A and B) of the same substance are kept in a lab. Someone adds 10 kilojoules (kJ) of heat to one sample, while 10 kJ of work is done on the other sample. Can you tell to which sample the heat was added? A. Yes B. No C. Sometimes it is possible to tell and but not at other times
a 1. If 25 kJ is necessary to raise the temperature of a block from 25°C to 30°C, how much heat is necessary to heat the block from 45°C to 50°C? A. 50 kJ B. 25 kJ C. 12 kg O D. O kJ