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VitorAguiar68
  • Member for 7 years, 3 months
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5 votes
1 answer
971 views

When do ideal gases stop behaving like ideal gases?

5 votes
1 answer
3k views

Can work on a system increase entropy?

3 votes
2 answers
1k views

Why do we consider heat transfer from/to reservoirs a reversible process?

2 votes
2 answers
614 views

Why does potential energy time-derivative depend only on the mass flow?

2 votes
1 answer
2k views

In a piston cylinder why do particles lose kinetic energy when doing work (expansion) in the piston, when the system is heated?

2 votes
1 answer
2k views

Why temperature increase when I fill a container with more particles?

1 vote
0 answers
221 views

What's the explanation for temperature decrease when I pull a piston upwards? And how energy leaves a system when I transfer heat to it?

1 vote
2 answers
6k views

Why is internal energy a function of temperature and volume?

1 vote
3 answers
5k views

Can an isobaric and isothermal process happen at the same time without being in a process of phase change?

1 vote
1 answer
24 views

Can we evaluate the efficiency of Rankyne Cycles by a Diagram T-s?

0 votes
1 answer
64 views

How can I derivate the Kinetic Energy on a practical context?

0 votes
1 answer
50 views

Can I create electric current with constant intensity by a magnetic field?

0 votes
2 answers
195 views

What is the direction of friction in this example? Why?

0 votes
4 answers
2k views

What is the differential of Torque? dT =?

0 votes
1 answer
235 views

How do I calculate the change of pressure on a fluid moving on block?

0 votes
3 answers
2k views

What does happen if I push a piston in an adiabatic cylinder containing an ideal gas?

-1 votes
1 answer
202 views

Is this an isobaric exercise? Or the book is wrong?

-2 votes
1 answer
218 views

How is power defined?