Question

1. Convert the following temperatures to the celsius scale.
(a) 293 K
(b) 470 K.
2. Convert the following temperatures to the kelvin scale.
(a) 25°C
(b) 373°C.
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Answer 1

Explanation Of Answer 1 :-

As We Know 0° C =273.16 K. For Convenience, We Take 0° C = 273 K After Rounding Off The Decimal. To Change A Temperature On The Kelvin Scale To The Celsius Scale We Have To Subtract 273 From The Given Temperature.

Answer 1 :-

(a) 293 K =  293-273  = 20° C

(b) 470 K = 470-273   = 197° C

Explanation Of Answer 2 :-

Kelvin Is The SI Unit Of Temperature, 0° C =273.16 K. For Convenience, We Take 0° C = 273 K After Rounding Off The Decimal. To  Convert A Temperature On The Celsius Scale To The Kelvin Scale We Have To Add 273 To The Given Temperature.

Answer 2 :-

(a) 25°C = 25 + 273 = 298 K

(b) 373°C = 373 + 273 = 646 K

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