2.2.Predict if the following reaction is spontaneous or not. CO,6)CO(g) at 25°C 2.3. If the door of a refrigerator is opened in a closed room, the room gets warmer. Explain Why 2.4. The Carnot cycle operates at temperatures of 177 C and 377°C. a. Estimate the efficiency of the Carnot cycle b. If during each cycle, 90 Joules of heat is rejected to the sink, estimate the heat taken from the source per cycle (Submit 2.4 and 2.5 via link created on blackboard) Cau) Kav

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