Thermometer

A thermometer with a heat capacity of 2.0 J/K is immersed in 67.0 grams of water. Before immersion, the thermometer reads 17.8 °C. After reaching thermal equilibrium, the temperature is 32.4 °C. What was the temperature of the water before the measurement?

Final Answer:

t =  32.505 °C

Step-by-step explanation:

m=67 g C=2.0 J/K c1=4.180 J/g/K t1=17.8 °C t2=32.4 °C t>t2>t1  m c1 (tt2)=C (tt1) 67 4.18 (t32.4)=2 (t17.8)  278.06t=9038.344  t=278.069038.344=32.50501331  t=32.505013=32.505°C



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