Thermodynamics B/C

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TheChiScientist
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Thermodynamics B/C

Postby TheChiScientist » September 4th, 2018, 9:41 am

Let start of the year with something simple. :)
Define absolute zero in degrees using the following units of temperature.
F=?
C=?
K=?
R=?
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Re: Thermodynamics B/C

Postby Riptide » September 4th, 2018, 11:56 am

Let start of the year with something simple. :)
Define absolute zero in degrees using the following units of temperature.
F=?
C=?
K=?
R=?
F = -459.67
C = -273.15
K = 0
R = 0
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Re: Thermodynamics B/C

Postby TheChiScientist » September 4th, 2018, 12:03 pm

Let start of the year with something simple. :)
Define absolute zero in degrees using the following units of temperature.
F=?
C=?
K=?
R=?
F = -459.67
C = -273.15
K = 0
R = 0
Correct! Your turn.
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Re: Thermodynamics B/C

Postby UTF-8 U+6211 U+662F » September 4th, 2018, 1:25 pm

Let start of the year with something simple. :)
Define absolute zero in degrees using the following units of temperature.
F=?
C=?
K=?
R=?
(Kelvin doesn't use degrees because it's absolute. Rankine uses degrees anyway because it likes being special.)

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Re: Thermodynamics B/C

Postby TheChiScientist » September 4th, 2018, 2:52 pm

Let start of the year with something simple. :)
Define absolute zero in degrees using the following units of temperature.
F=?
C=?
K=?
R=?
(Kelvin doesn't use degrees because it's absolute. Rankine uses degrees anyway because it likes being special.)
Stop being so technical shemcnical. On a test the graders will want it in degrees format. :D
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Re: Thermodynamics B/C

Postby Riptide » September 5th, 2018, 9:49 am

An ideal Carnot heat engine absorbs heat from a reservoir at 650° C with an efficiency of 28%. What is the exhaust temperature in Celsius?
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Re: Thermodynamics B/C

Postby Justin72835 » September 5th, 2018, 10:07 am

An ideal Carnot heat engine absorbs heat from a reservoir at 650° C with an efficiency of 28%. What is the exhaust temperature in Celsius?
391.5 degrees Celcius
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Re: Thermodynamics B/C

Postby Riptide » September 5th, 2018, 10:33 am

An ideal Carnot heat engine absorbs heat from a reservoir at 650° C with an efficiency of 28%. What is the exhaust temperature in Celsius?
391.5 degrees Celcius
Nice your turn.
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Re: Thermodynamics B/C

Postby HeadphoneMonster » September 5th, 2018, 4:06 pm

Find the work performed by 2.5 moles of oxygen isothermally expanding at 25◦C from 1.5 atm to .75 atm of pressure.(Answer preferred in Joules).

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Re: Thermodynamics B/C

Postby UTF-8 U+6211 U+662F » September 5th, 2018, 4:21 pm

Find the work performed by 2.5 moles of oxygen isothermally expanding at 25◦C from 1.5 atm to .75 atm of pressure.(Answer preferred in Joules).
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