A container contains temperature of water 80 degree celcius. After every 10 minutes, the change in temperature is -4 degree celcius. After how much time will the temperature of water be 20 degree celcius
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A tank of water at 45 degree Celsius will have more heat than a bucket at a higher temperature of water, at 60 degree Celsius is because of the fact that the pressure must develop [ed inside the tank as it is fully closed, the pressure would increase the heat.
Moreover, it is a closed body which does not allow the steam to go out.
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Step-by-step explanation:
To bring water from 80°C to 20°C we need to drop 60°C temperature of water. And after every 10 minutes it's temperature drops 4°C. So on dividing 60 by 4 we get 15 i.e. We need 15×10 minutes =150 minutes or 2 hrs and 30 minutes i.e.2and 1/2hrs
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