To repond to the following physic problems along with showing work and units on each step.
- If 25 kg of ice at 0C is combined with 4 kg of steam at 100C, what will be the final equilibrium temperature (in C) of the system?
1. Latent heat of fusion of ice = 3.34 x 105 J.kg-1
2. Latent heat of steam = 2.23 x 106 J.kg-1
3. Specific heat of water = 4180 J.kg-1.K-1
- 1.0 mol sample of an ideal monatomic gas originally at a pressure of 1 atm undergoes a 3-step process as follows:
(i) It expands adiabatically from T1 = 588 K to T2 = 389 K
(ii) It is compressed at constant pressure until its temperature reaches T3 K
(iii) It then returns to its original pressure and temperature by a constant volume process.
- Plot these processes on a PV diagram
- Determine the temperature T3
- Calculate the change in internal energy, work done by the gas and heat added to the gas for each of these three processes
- Calculate the change in internal energy, work done by the gas and heat added to the gas for the complete cycle.
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