Thermodynamics B/C

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TheChiScientist
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Thermodynamics B/C

Post by TheChiScientist »

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

Post by Riptide »

TheChiScientist wrote: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

Post by TheChiScientist »

Riptide wrote:
TheChiScientist wrote: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

Post by UTF-8 U+6211 U+662F »

TheChiScientist wrote: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

Post by TheChiScientist »

UTF-8 U+6211 U+662F wrote:
TheChiScientist wrote: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

Post by Riptide »

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

Post by Justin72835 »

Riptide wrote: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

Post by Riptide »

Justin72835 wrote:
Riptide wrote: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

Post by HeadphoneMonster »

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

Post by UTF-8 U+6211 U+662F »

HeadphoneMonster wrote: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).
Generally, the person who answers asks the question, but it's fine. 




















Correct me if I'm wrong (especially if I messed up the final number of significant digits).
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