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Calorimetry
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A 45 g aluminum spoon (specific heat = 0.88 J/gC) at 24 C is placed in 180 mL of coffee at 85 C, and the temperatures of the two become equal. What is the final temperature when the two become equal? Assume that coffee has the same specific heat as water.
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Calorimetry
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A 37.5-gram piece of gold at 83.0 degrees Celsius is added to 100 grams of water at 22.0 degrees Celsius in a well-insulated cup. What is the temperature after the system comes to equilibrium? (specific heat of gold = 0.129 J/gC)
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Calorimetry
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One tablespoon of peanut butter has a mass of 16 g . It is combusted in a calorimeter whose heat capacity is 130 kJ/ C . The temperature of the calorimeter rises from 22.2 C to 25.6 C. Find the food
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Calorimetry
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Which instrument is used to measure the amount of heat exchanged during a reaction? A. a spectrometer B. a pycnometer C. a thermometer D. a calorimeter
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Calorimetry
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Briefly describe the principle of differential scanning calorimetry.
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