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-40 C and -40 F are equal, but what temperature are Fahrenheit and Kelvin the same?

2007-08-02 10:18:41 · 7 answers · asked by Anonymous in Science & Mathematics Physics

7 answers

To convert Celsius into Kelvin we can use the formula:
K = C + 273.2 . . . . . . . ..(1)
To convert Fahrenheit into Kelvin we use the formula:
F = (9/5)C + 32 . . . . . . . (2)
At certain temperature, if the "K" & "F" readings are the same,
K° = F°
C + 273.2 = (9/5)C + 32
273.2 - 32 = (9/5)C - C
241.2 = .8C
C = 241.2 / .8 = 301.5
Substitute this value in equations (1) & (2)
K = 301.5 + 273.2 = 574.7°
F = (9/5) 603 + 273.2 = 574.7°
At this temperature, both the thermometers will read the same when kept at the same substance.

2007-08-02 13:40:20 · answer #1 · answered by Joymash 6 · 5 1

Temperature Fahrenheit To Kelvin

2016-11-02 22:41:27 · answer #2 · answered by montas 4 · 0 0

Joyettan has correctly stated that

F = (9/5) 603 + 273.2 = 574.7°
at this temperature, both the thermometers will read the same when kept at the same substance.

The question should be, ' At what temperature, the readings of Kelvin temperature and Fahrenheit temperature will be the same?


It is because the temperature does not depend upon the measuring instruments.

For example, the temperature of the melting ice is the same whether we use kelvin thermometer or celsius thermo meter or faherenheit thermometer.

2007-08-02 17:48:20 · answer #3 · answered by Pearlsawme 7 · 0 0

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574.59 Kelvin = 574.59 degrees Fahrenheit. The range from absolute zero to this temperature are: 0 to 574.59 K -459.67 to 574.59 degrees F K = 1.8 degree F

2016-04-04 05:20:46 · answer #4 · answered by Anonymous · 0 0

K = C + 273.15
F = 9/5 C + 32

When K = F

C + 273.15 = 9/5 C + 32
273.15 = 4/5 C + 32
C=301.43

At 301.43 degrees Celcius, they are equal. This means

574.58 K = 574.58 F

2007-08-02 10:27:40 · answer #5 · answered by Vu 3 · 5 0

No such equivalence is possible considering that Kelvin is C + 273

2007-08-02 10:22:35 · answer #6 · answered by Swamy 7 · 0 7

574.5875K=574.5875F

2007-08-02 10:27:00 · answer #7 · answered by tonythetiger 2 · 4 0

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