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Byju's Answer

Standard X

Physics

Wave Energy

What is the h...

Question

What is the heat energy taken by 50 g of cold water at 20 degrees C in previous problem?

2.1 J

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21 J

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210 J

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2100 J

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Solution

The correct option is D
2100 J

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Similar questions

200 g of hot water at 80°C is added to 300 g of cold water at 10°C. Calculate the final temperature of the mixture of water. Consider the heat taken by the container to be negligible. The specific heat capacity of water is 4200 J kg^-1 °C^-1

Q. How much heat energy is required to prepare a water bath of

20 k g

, when cold water at

10^{o} C

is heated to

40^{o} C

? (Specific heat capacity of water is

4200 J / k g^{o} C

) :

200 g

of hot water at

80^{o} C

is added to

300 g

of cold water at

10^{o} C

. Neglecting the heat taken by the container, calculate the final temperature of the mixture of water. Specific heat capacity of water

= 4200 J k g^{- 1} K^{- 1}

One calorie is the heat energy required to raise the temperature of one gram of water by ___ degree Celsius at a pressure of one atmosphere.

200 g

of hot water at

80^{\circ} C

is added to

300 g

of cold water at

10^{\circ} C

. Neglecting the heat taken by the container, calculate the final temperature of the mixture of water. Specific heat capacity of water =

44200 J k g^{- 1} K^{- 1}

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What is the heat energy taken by 50 g of cold water at 20 degrees C in previous problem?

The correct option is D 2100 J

The correct option is D
2100 J