1.) A system absorbs 1.56E+2 kJ of heat and the surroundings do 1.107E+2 kJ of work...
1.) A system absorbs 1.56E+2 kJ of heat and the surroundings do 1.107E+2 kJ of work on the system. What is the change in internal energy (in kJ) (ΔU) of the system?
2.) A sample of gas in a cylinder is provided with 6.221E+2 kJ of heat. This causes a piston to then compresses the gas by doing 4.343E+2 kJ of work to the gas. What is the change in internal energy of the gas during this compression?
3.)A gas is compressed in a piston with 8.90E+1 J of work. As a result, 4.1E+1 J of heat is given off to the surroundings. What is the change in internal energy (ΔU) of the gas?
Homework Answers
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1.) A system absorbs 1.56E+2 kJ of heat and the surroundings do
1.107E+2 kJ of work...
A system absorbs 187 kJ of heat and the surroundings do 120 kJ of work on...
A system absorbs 187 kJ of heat and the surroundings do 120 kJ of work on the system. What is the change in internal energy of the system? Express the internal energy in kilojoules to three significant figures.
A system absorbs 196 kJ of heat and the surroundings do 117 kJ of work on...
A system absorbs 196 kJ of heat and the surroundings do 117 kJ of work on the system. Calculate the change in internal energy of the system.
A sample of gas in a cylinder is provided with 628 kJ of heat. This causes...
A sample of gas in a cylinder is provided with 628 kJ of heat. This causes a piston to then compresses the gas by doing 432 kJ of work to the gas. What is the change in internal energy of the gas during this compression? Round to the nearest whole number.
A system absorbs 21.6 kJ of heat while performing 6.9 kJ of work on the surroundings....
A system absorbs 21.6 kJ of heat while performing 6.9 kJ of work on the surroundings. If the initial internal energy, E, is 61.2 kJ, what is the final value of E? [ NOTE: Remember “∆” = final – initial]
The gas in a piston (defined as the system) is warmed and absorbs 655 J of...
The gas in a piston (defined as the system) is warmed and absorbs 655 J of heat. The expansion performs 348 J of work on the surroundings. Part A What is the change in internal energy for the system? ΔE = J A system releases 617 kJ of heat and does 145 kJ of work on the surroundings. Part A What is the change in internal energy of the system? ΔE = kJ A 31.2 g wafer of pure gold...
A system absorbs 12 of heat from the surroundings; meanwhile, 28 of work is done BY the system....
A system absorbs 12 of heat from the surroundings; meanwhile, 28 of work is done BY the system. What is the change of the internal energy of the system? -40 J -16 J 16 J 40 J
A gas is compressed and during this process the surroundings do 43.3 J of work on...
A gas is compressed and during this process the surroundings do 43.3 J of work on the gas. At the same time, the gas absorbs 281 J of heat from the surroundings. What is the change in the internal energy of the gas? Submit Answer 1 question attempt remaining
A system absorbs 635 J of heat and performs 750 J of work on the surroundings....
A system absorbs 635 J of heat and performs 750 J of work on the surroundings. Calculate the change in the internal energy, AE, of the system. Write answer to three significant figures. Numeric Response
A gas is compressed and during this process the surroundings do 61.7 J of work on the gas. At the same time, the ga...
A gas is compressed and during this process the surroundings do 61.7 J of work on the gas. At the same time, the gas absorbs 219 J of heat from the surroundings. What is the change in the internal energy of the gas?
A cylinder and piston assembly (defined as the system) is warmed by an external flame. The...
A cylinder and piston assembly (defined as the system) is warmed by an external flame. The contents of the cylinder expand, doing work on the surroundings by pushing the piston outward against the external pressure. If the system absorbs 559 J of heat and does 488 J of work during the expansion, what is the change in internal energy (Delta E) for the system?
A system absorbs 196 kJ of heat and the surroundings do 117 kJ of work on the system. Calculate the change in internal energy of the system.
A gas is compressed and during this process the surroundings do 43.3 J of work on the gas. At the same time, the gas absorbs 281 J of heat from the surroundings. What is the change in the internal energy of the gas? Submit Answer 1 question attempt remaining
A system absorbs 635 J of heat and performs 750 J of work on the surroundings. Calculate the change in the internal energy, AE, of the system. Write answer to three significant figures. Numeric Response
A gas is compressed and during this process the surroundings do 61.7 J of work on the gas. At the same time, the gas absorbs 219 J of heat from the surroundings. What is the change in the internal energy of the gas?
A cylinder and piston assembly (defined as the system) is warmed by an external flame. The contents of the cylinder expand, doing work on the surroundings by pushing the piston outward against the external pressure. If the system absorbs 559 J of heat and does 488 J of work during the expansion, what is the change in internal energy (Delta E) for the system?
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