A beaker full of hot water is kept in a roomIf it coolsfrom 80°Cto 75°C in t 1 minutes - from 75° C to 70°C in t 2minutes and from 70°C to 65°C in t 3 minutes - then[1995]

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A beaker full of hot water is kept in a roomIf it coolsfrom 80°Cto 75°C in t 1 minutes - from 75° C to 70°C in t 2minutes and from 70°C to 65°C in t 3 minutes - then[1995]






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