Which will cool faster when kept in open air, 300⁰ C or 100⁰C? And why ?
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Rate of cooling is directly proportional to temperature change. The one at 300oC will cool faster. TEMP DIFFERENCE BETWEEN SYSTEM AND SURROUNDINGS IS DIRECTLY PROPORTIONAL TO RATE OF COOLING. SO THE SYSTEM AT 300 DEGREE CELSIUS WILL COOL FASTER.
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