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1. The internal energy of a system increases by 36 joules. The system does work using 17 joules. What amount of heat was added to
   1. 1 answer
   2. 86 views
2. A refrigerator does 18 kJ of work while moving 115 kJ of thermal energy from inside the refrigerator. What is its coefficient of
   1. 1 answer
   2. 150 views
3. 70j of energy are given off by a volume of gas to an outside system. Than, the gas expands and does 45j, of work outside the
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   2. 90 views
4. A system with an increase in internal energy of 80 J and at the same time has 50 J of work done on it by the surrounding. What
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   2. asked by ezile
   3. 105 views
5. One hundred (100.) joules of work is required to compress a gas. At the same time, the gas releases 65 J of heat.Internal energy
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   2. asked by azarion
   3. 1,434 views
6. H° = 565 kJ and S° = -11.1 J/KCalculate G° at 25°C for this reaction.
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   2. asked by Anonymous
   3. 507 views
7. The internal energy change in a system that has absorbed 4 Kcals of heat and 1000 J of work is:
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   2. asked by Miko
   3. 462 views
8. For a certain change, value of Delta U is -2.37 kJ. During the change, the system absorbs 650 joules. How much work did the
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   2. asked by Mary
   3. 838 views
9. An engine does 15kJ of work while rejecting 37 kJ to the cold reservoir. What is the efficiency of the engine?
   1. 1 answer
   2. asked by B
   3. 1,123 views
10. during a process, 21.6 MJ of heat is added to closed system. if the internal energy is increased by 59.6 MJ, how much work in
    1. 0 answers
    2. asked by john
    3. 1,144 views
11. A system undergoes a two-step process. In the first step, the internal energy of the system increases by 368 J when 144 J of
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    2. asked by Sally
    3. 1,295 views
12. A system does 196 J of work on its environment and gains 40 J of heat in the process.(a) What is the change in the internal
    1. 1 answer
    2. asked by Will
    3. 1,298 views
13. Which object in the following pair has greater total internal energy, assuming both objects in the pair are in thermal
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    2. asked by Jim
    3. 676 views
14. The value of ^G for the following reaction is -5490 kJ. Use this value and data to calculate the standard free energy of
    1. 1 answer
    2. asked by Jayd
    3. 1,310 views