Physics, 18.07.2019 06:20 reecedstceklein
In the laboratory a "coffee cup" calorimeter, or constant pressure calorimeter, is frequently used to determine the specific heat of a solid, or to measure the energy of a solution phase reaction. since the cup itself can absorb energy, a separate experiment is needed to determine the heat capacity of the calorimeter. this is known as calibrating the calorimeter and the value determined is called the calorimeter constant. one way to do this is to use a common metal of known heat capacity. in the laboratory a student heats 97.37 grams of copper to 97.60 °c and then drops it into a cup containing 81.90 grams of water at 24.41 °c. she measures the final temperature to be 31.60 °c. using the accepted value for the specific heat of copper (see the references tool), calculate the calorimeter constant.
Answers: 2
Physics, 22.06.2019 01:00, jayycruz59
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Physics, 22.06.2019 02:30, liltay12386
Which is an example of gaining a static charge by conduction? a) rubbing a balloon against your hair. b) shuffling your shoes across a carpet. c) bringing a charged rod near an electroscope. d) touching your car on a cold day and getting a shock.
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Physics, 22.06.2019 13:30, brsglover8355
6–43 a food department is kept at 2128c by a refrigerator in an environment at 308c. the total heat gain to the food department is estimated to be 3300 kj/h and the heat rejection in the condenser is 4800 kj/h. determine the power input to the compressor, in kw and the cop of the refrigerator.
Answers: 2
Physics, 22.06.2019 22:00, crystalclear99
Agirl throws a ball. if the ball's acceleration is 12 m/sec/sec and its mass is 0.5 kg, how much force did the girl apply to the ball?
Answers: 1
In the laboratory a "coffee cup" calorimeter, or constant pressure calorimeter, is frequently used t...
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