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Steam at 100°C is condensed into a 62.0 g brass calorimeter cup containing 240 g of water at 25.0°C. Determine the amount of steam (in g) needed for the system to reach a final temperature of 56.0°C. The specific heat of brass is 380 J/(kg °C). 9

Steam at 100°C is condensed into a 62.0 g brass calorimeter cup containing 240 g of water at 25.0°C. Determine the amount of steam (in g) needed for the system to reach a final temperature of 56.0°C. The specific heat of brass is 380 J/(kg °C). 9

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Steam at 100°C is condensed into a 62.0 g brass calorimeter cup containing 240 g of water at 25.0°C. Determine the amount of steam (in g) needed for the system to reach a final temperature of 56.0°C. The specific heat of brass is 380 J/(kg °C). 9
Transcribed Image Text:Steam at 100°C is condensed into a 62.0 g brass calorimeter cup containing 240 g of water at 25.0°C. Determine the amount of steam (in g) needed for the system to reach a final temperature of 56.0°C. The specific heat of brass is 380 J/(kg °C). 9
Expert Solution
Step 1

Given: The amount of brass is mB=62.0 g or 0.062 kg.

          The amount of water is mw=240 g or 0.24 kg.

          The temperature of water is T1=25°C.

          Initial temperature of steam is T3=100°C.

          The specific heat of brass is CB=380 J/kg.°C or 0.380 kJ/kg.°C.

To determine: The amount of steam needed for system to reach a temperature, T2=56°C.

The specific heat of water is Cw=4182 J/kg.°C or 4.182 kJ/kg.°C.

The latent heat of vaporization of water is 2260 kJ/kg .

 

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