Q1 of 11 Page 88

What are the following temperatures in the Celsius scale?

(a) 491.67° F


(b) 673 K

(a) The formula to convert °F to °C is:


⇒ 491.67 - 32 =


⇒ 459. 67 =



491.67° F 255.4°C


(b) To convert from kelvin scale to Celsius scale we use K = 273 + °C


673 K 400°C


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(a) Which property of water makes it a coolant?


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What is the scientific reason behind it?

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(a) Surface area


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