1. Heat transfer takes place when:
A. thermal energy is present.
B. None of these
...
Chemistry, 05.04.2020 10:12, saabrrinnaaa
1. Heat transfer takes place when:
A. thermal energy is present.
B. None of these
C. there is a temperature difference.
D. conduction or convection occurs, but not radiation.
2. An ice cube, measured at 260 Kelvin, is dropped into a cup of tea that is 350 Kelvin. The temperature of the tea is recorded every 30 seconds and shows the temperature dropping for 4 minutes. After 4 minutes the temperature stays steady at 300 Kelvin. What is this called?
A. Latent heat
B. Temperature transfer
C. Thermal equilibrium
D. Specific heat capacity
3.You make a bowl of soup for lunch. When you grab the bowl to take it out of the microwave you burn your hand because the bowl is very hot. What type of heat transfer is this an example of?
A. Conduction
B. None of these
C. Convection
D. Contusion
Answers: 2
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