A 100 g glass container contains 250 g of water at 15.0 °C. A 70 g piece of unknown material at 100 °C is added to the water in the container. The final temperature of the mixture is 19.0 °C. What is the specific heat of the unknown material in J/kg "C? (specific heat of water = 4,186 J/kg "C, specific heat of glass=837.2 J/kg "C)

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Chapter14: Heat And Heat Transfer Methods
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A 100 g glass container contains 250 g of water at 15.0 "C. A 70 g piece of unknown material at 100 °C is added to the water in the container.
The final temperature of the mixture is 19.0 °C. What is the specific heat of the unknown material in J/kg "C? (specific heat of water = 4,186 J/kg
"C, specific heat of glass=837.2 J/kg "C)
Transcribed Image Text:A 100 g glass container contains 250 g of water at 15.0 "C. A 70 g piece of unknown material at 100 °C is added to the water in the container. The final temperature of the mixture is 19.0 °C. What is the specific heat of the unknown material in J/kg "C? (specific heat of water = 4,186 J/kg "C, specific heat of glass=837.2 J/kg "C)
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