Ideally, when a thermometer is used to measure the temperature ofan object, the

Question

Ideally, when a thermometer is used to measure the temperature ofan object, the temperature of the object itself should not change.However, if a significant amount of heat flows from the object tothe thermometer, the temperature will change. A thermometer has amass of 33.0 g, a specific heat capacityof c = 815 J/(kg · C°), and a temperature of12.0° C. It is immersed in 119 g of water, and the finaltemperature of the water and thermometer is 38.5° C. What was the temperature of the waterbefore the insertion of the thermometer?

Explanation / Answer

Given :

Mass of thermometer mt = 33 g = 33*10-3 kg

Mass of water mw = 119 * 10-3 kg

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