Question

a system consist of 2.0kg of water 75C. 25J of work is done on the system...

a system consist of 2.0kg of water 75C. 25J of work is done on the system by stirring with a paddle wheel, while 63J of heat is removed. What is the change in internal energy of the system?

Homework Answers

Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
What is process of adiabatic compression? What is the sign of the work done by the...
What is process of adiabatic compression? What is the sign of the work done by the system? what are the change in the internal energy, and the heat exchanged with the environment?
(a) During an isothermal process, 5.00 J of heat is removed from an ideal gas. Determine...
(a) During an isothermal process, 5.00 J of heat is removed from an ideal gas. Determine the work done in the process and the internal energy change. (b) If the 300 J of work is done in compressing a gas adiabatically, determine the change in internal energy of the gas and amount of heat removed. (c) In an isochoric process, the internal energy of a system decreases by 50.0 J. Determine the work done in the process and the amount...
When the pressure of a gas is increased keeping its volume constant: A.the work done is...
When the pressure of a gas is increased keeping its volume constant: A.the work done is a measure of the sum of the change in intrernal energy and the heat added. B. the work done is a measure of the heat added. C. the work done is a measure of the change in internal energy of the gas. D. the work done is zero.
The first law of thermal dynamics expresses the relationship between energy, heat and work. The internal...
The first law of thermal dynamics expresses the relationship between energy, heat and work. The internal energy of a system depends upon the heat absorbed or released by the system and the work done by or done to the system. Delta E=q+w For example, a ping pong player expends 35 kj/min during play.Which of the following represents Energy and which represents work? A. The paddle hits the ball B. muscle contraction C. ATP in muscles I'm not sure if i'm...
How does the internal energy (U) of a system change when heat flows into the system...
How does the internal energy (U) of a system change when heat flows into the system from the surroundings and work is done by the system on the surroundings. a) More information is needed. b) internal energy (U) decrease. c) Internal energy (U) increases. d) There is no change in the internal energy (U).
If you combine 280.0 mL of water at 25.00 °C and 140.0 mL of water at...
If you combine 280.0 mL of water at 25.00 °C and 140.0 mL of water at 95.00 °C, what is the final temperature of the mixture? Use 1.00 g/mL as the density of water. If a system has 4.50 × 102 kcal of work done to it, and releases 5.00 × 102 kJ of heat into its surroundings, what is the change in internal energy of the system?
1A: During a process, 28 J of heat are transferred into a system, while the system...
1A: During a process, 28 J of heat are transferred into a system, while the system itself does 14 J of work. What is the change in the internal energy of the system?    __________ J 1B: If the internal energy of an ideal gas increases by 170 J when 250 J of work are done to compress it, how much heat is released?    __________ J 1C: It takes 270 cal to raise the temperature of a metallic ring...
Part A Determine the work done (W) by 2.00 kg of water when it is all...
Part A Determine the work done (W) by 2.00 kg of water when it is all boiled to steam at 100 ?C. Assume a constant pressure of 1.00 atm. Part B Determine the change in internal energy (?U) of 2.00 kg of water when it is all boiled to steam at 100 ?C. Assume a constant pressure of 1.00 atm.
A.) A gas confined by a piston expands isobarically at 30 kPa. When 24,000 joules of...
A.) A gas confined by a piston expands isobarically at 30 kPa. When 24,000 joules of heat is absorbed by the system, its volume increases from 0.14 m3 to 0.4 m3. What work is done on the system and what is the change in internal energy? Work Done by the System = Joules Internal Energy Change = Joules B.) The volume of a gas decreases from 7 to 4 liters under a constant pressure of one atmosphere. Is the work...
A system releases 662 kJ of heat and does 140 kJ of work on the surroundings....
A system releases 662 kJ of heat and does 140 kJ of work on the surroundings. What is the change in internal energy of the system?