8. Consider each of the following process. a. Does the temperature increase (+),
ID: 1482511 • Letter: 8
Question
8. Consider each of the following process.
a. Does the temperature increase (+), decrease (-), or not change (0)? Are the work W and heat Q positive (+), negative (-), or zero(0)? Does the thermal energy increase (+), decrease (-), or not change (0)? Answer these questions by filling in the table.
Change in T W Q E_th
You drive a namil into a board with a hammer.
You hold a nail over a Bunsen burner.
You compress the air in a bicycle pump by pushing down on the handle very rapidly.
You turn on a flame under a cylinder gas, an the gas undergoes an isothermal expansion.
A flame turns liquid water into steam.
High-pressure steam spins a turbine.
A moving crate slides to a halt on a rough surface.
High-pressure gas in a cylinder pushes a piston outward very rapidly.
b. Are eacg if your responses for W. Q and E_th consistent with the first law of thermodynamics? If not, which ones are not?
Explanation / Answer
All responses are in consonance with first law of thermodynamics.
ANSWER TEMPERATURE T WORK W HEATE Q THERMAL ENERGY Eth REMARKS A) + - + + B) + 0 + + C) + - + + D) 0 + + + E) + + + + F) - + - - G) + + + + H) - + - -Related Questions
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