Entropy change is easier to determine for processes in which the temperature of the system is constant. Which of the following processes are of this type? Choose all correct statements.
a. Some ice is melting in a cup in a warm room. The system is the ice.
b. Some ice is melting in a cup in a warm room. The system is the ice and the cup.
c. A box is slowing down due to friction with a rough table. The system is the box and the table.
d. Some alcohol is boiling in a beaker over a burner. The system is the alcohol in the beaker.
e. An ideal gas in a syringe is very slowly compressed while the syringe is held in an ice bath. The system is the gas.
f. An ideal gas is in a closed, rigid container. Energy is transferred to the gas at a constant rate. The system is the gas.
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