Question

C = k - 273.15 (a) Write two other related equations . (b) If the temperature is 23 in degrees Celsius , what is the temperature in kelvins? Show your work. (c) Which is greater, 300 kelvins or 25 degrees Celsius ? Show your work.

Answer 1

Answer:

(a) k = C + 273.15, F = 1.8(k - 273.15) + 32

(b) k = 296.15

(c) 25 celcius is greater than 300 kelvis.

Step-by-step explanation:

(a) one equation would be to solve for k instead of c, and another related equation could be from kelvin to Farenheit.

C = k - 273.15

C + 273.15 = k

k = C + 273.15

F = 1.8(k - 273.15) + 32

(b) for this one you have to substitute in the previous equation and solve for k.

23 = k - 273.15

k = 23 + 273.15

k = 296.15

(c) you have to convert either kelvins to celcius or celcius to kelvins.

C = k - 273.15

C = 300 - 273.15

C = 26.85

So 25 celcius is greater than 300 kelvis.

Answer 2

• C = k - 273.15 (a) Write two other related equations.

The two other related equations are:

1. C = k - 273.15

k = C + 273.15

    2. k/C = 273.15

• (b) If the temperature is 23 degrees Celsius, what is the temperature in kelvins?  

K =  C + 273.15

C = 23 degrees

Hence:

K = 23 + 273.15

K = 296.15 K

23 degrees celsius is 296.15 Kelvins

• (c) Which is greater, 300 kelvins or 25 degrees Celsius?

K =  C + 273.15

C = 25 degrees

Hence:

K = 25 + 273.15

K = 298.15 K

25 degrees celsius is 298.15 Kelvins

Therefore, 300 Kelvins is greater than 25 degrees

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