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Suppose 220 J of work is done on a system and 96.0 cal is extracted from the system as heat. In the sense of the first law of thermodynamics, what are the values (in Joules, including algebraic signs) of (a) W, (b) Q, and (c) ?Eint?

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Casey Durgan
Casey DurganLv2
18 Apr 2019

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Related textbook solutions

Physics: Principles with Applications
7th Edition, 2013
Giancoli
ISBN: 9780321625922

Related questions

Suppose 270 J of work is done on a system and 81.0 cal is extractedfrom the system as heat. In the sense of the first law ofthermodynamics, what are the values (in Joules, including algebraicsigns) of (a) W, (b) Q, and (c) ?Eint?

I don't know what I'm supposed to do:



Figure below shows a cycle undergone by 1.00 mol of an idealmonatomic gas. The temperatures
are T1 = 300 K, T2 = 600 K, and T3 = 455 K.
For 1 ? 2, what are
(a) (2 points) heat Q?
(b) (2 points) The change in internal energy ?Eint?
(c) (2 points) The work done W?
For 2 ? 3, what are
(d) (1 points) Q?
(e) (2 points) ?Eint?
(f) (2 points) W?
For 3 ? 1, what are
(g) (2 points) Q?
(h) (2 points) ?Eint?
(i) (2 points) W?
For the full cycle, what are
(j) (2 points) Q?
(k) (2 points) ?Eint?
(l) (2 points) W?
The initial pressure at point 1 is 1.00 atm (= 1.013 × 105 Pa).What are the
(m) (2 points) volume?
(n) (2 points) Pressure at point 2?
(o) (2 points) Volume?
(p) (1 points) Pressure at point 3?

 

Part A Which physical law underlies the first law of thermodynamics?

conservation of matter

increase in entropy

conservation of energy

conservation of work

 

Part B The quantity Q is the __________ that is added to the system. 

heat

work

entropy

internal energy

 

Part C The quantity W in the first law refers to the __________. 

work done on the system

work done by the system

change of energy in the system

change of volume in the system

 

Part D The quantity ΔU in the first law of thermodynamics is the change in the __________ of the system.

Choose the correct option.

entropy

internal energy

heat energy

temperature 

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