Student Name:- First Law of Thermodynamics (AU = Q + w) 1. What is the difference between Temperature, Heat and Thermal Energy 2. Energy transfer as heat between two objects depends on 3. If A has a temperature of 100 deg Celsius, a. what is the temperature of B and C? B in equilibrium with c b. Will there be heat transfer between A-B and B-C? c. A, B and Care in equilibrium A A in equilibrium with B 4. If similar substances in similar quantity are mixed, as shown, then what will be the final temperature after equilibrium is achieved: 140 ml of water 140 ml of water at 20 C at 720C 5. Internal energy of a system = of particles. 6. In how many ways the internal energy of a thermodynamics system can be changed? 7. List three heat transfer processes? 8. Which type of heat transfer happens in metals 9. Which type of heat transfer needs no medium to transfer heat 10. Which heat transfer process involves moving fluids (liquids and gasses). 11. Identify the type of heat transfer process in the diagram a. Warm air rises due to lower_ warm air nges b. Cold air sinks due to higher cooler air drops and replaces the warmer air 12. Name some materials that are good thermal conductors