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151-T1 Intro rev 3

# 151-T1 Intro rev 3 - Quiz on M11 Quiz on M11 Turn on your...

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Quiz on M11 Turn on your clickers to connect to this session You may reference your lab report/lab manual/notes when answering these questions You will have 30 seconds for each question No talking, no writing. Either will be seen as cheating, and you will receive a 0 for this quiz. You will only have 2 tries to answer each question

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Experiment T1 Specific heat of metals using the method of mixtures In this experiment you will accomplish the following tasks: 1 Become familiar with the technique of adiabatic 1. Become familiar with the technique of adiabatic calorimetry and the method of mixtures 2. Measure the specific heat of Copper and Aluminum near 2. Measure the specific heat of Copper and Aluminum near room temperature (Page 1)
T i Q T (Page 2) M M f M Specific heat of a substance Consider a homogeneous object of mass M at temperature T i If an amount of heat Q is absorbed by the object, its temperature is raised to a higher value T f The heat Q is given by the equation: Q Mc T T The parameter c is known as the “specific heat” of the object. Its value at a f i particular temperature is characteristic of the composition. Specific heat depends on the object temperature

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Section V-1 M th M f th l i t Measure the M C mass of the calorimeter cup Add approximately 130 cm 3 of water in the cup at a temperature 5-10 °C above room temperature. The amount of water should be enough so that the metal sample should be completely immersed when it is placed in the calorimeter Measure the mass M W + M C
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