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Standard XII
Chemistry
Properties of Water
An ice box us...
Question

An ice box used for keeping eatable cold has a total wall area of 1 m2 and a wall thickness of 5.0 cm. The thermal conductivity of the ice box is K = 0.01 joule/metre-0C. It is filled with ice at 0C along with eatables on a day when the temperature is 300C. The latent heat of fusion of ice is 334×103 joule/kg. The amount of ice melted in one day is ( 1day = 86.400 s)


A

776 g

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B

7760 g

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C

11520 g

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D

1552 g

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Solution

The correct option is D

1552 g




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An ice box used for keeping eatable cold has a total wall area of 1 m2 and a wall thickness of 5.0 cm. The thermal conductivity of the ice box is K = 0.01 joule/metre-0C. It is filled with ice at 0C along with eatables on a day when the temperature is 300C. The latent heat of fusion of ice is 334×103 joule/kg. The amount of ice melted in one day is ( 1day = 86.400 s)


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An ice box used for keeping eatable cold has a total wall area of 1metre2 and a wall thickness of 5.0 cm. The thermal conductivity of the ice box is K=0.01joule/metre−∘C. It is filled with ice at 0∘ along with eatables on a day when the temperature is 30∘. The latent heat of fusion of ice is 334×103joules/kg . The amount of ice melted in one day is
(1 day =86,400 seconds )


Q. An ice box used for keeping eatables cool has a total wall area of 1 m2 and a wall thickness of 5.0 cm. The thermal conductivity of the ice box is K=0.01 J/moC. It is filled with ice along with eatables on a day when the temperature is 30oC. The latent heat of fusion of ice is 334×102 J/kg. The amount of ice melted in one day is (1 day=86,400 seconds):
Q. A thermocol box has a total wall area (including the lid) of 1.0m2 and wall thickness of 3cm. It is filled with ice at 0oC. If the average temperature outside the box is 30oC throughout the day, the amount of ice that melts in one day is
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