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Category > Applied Sciences Posted 05 May 2017 My Price 8.00

If the melting point of mercury

If the melting point of mercury is -38.9 oC what is the energy needed to melt 100 grams of mercury if the initial temperature is -56 oC? The latent heat of fusion for mercury is 1.14 × 104 J/kg and the specific heat of mercury is 139 J/kgoC. (ans: 1378 J)

 

 

What is the heat required to raise the temperature of 40.0 grams of ice at 0 oC to steam 120 oC? (The specific heat of ice is 2.10 kJ/kgoC, the heat of fusion for ice at 0 oC is 333.7 kJ/kg, the specific heat of water is 4.186 kJ/kgoC, the heat of vaporization of water at 100 oC is 2,256 kJ/kg, and the specific heat of steam is 2.020 kJ/kgoC) (ans: 122 kJ)

 
 
 

 

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IT KING
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Status NEW Posted 05 May 2017 10:05 AM My Price 8.00

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