Physics, 16.11.2019 07:31 Ostritch8336
Acalorimeter has aluminum inner cup of mass 120 gram containing 200 ml water at temperature 20 degree celsius. brass piece with mass 100 gram is heated to 100 degree celsius, and then immersed in the calorimeter. calculate the final temperature of the system. the specific heat of brass is 0.09 cal/(gramxdeg. c) . the additional necessary data are provided in the text.
2) a chunk of 22 gram ice is pulled from a freezer keeping temperature -25 deg. celsius, and placed in an identical calorimeter as the one described in problem 1. the final temperature of the system is measured to be 10 deg. celsius. what is the experimental latent heat of fusion of ice? the additional necessary data are provided in the text.
Answers: 1
Physics, 21.06.2019 15:40
Rosa records the distance that a toy car rolls and the time it takes to cover the distance. what scientific practice is this? collecting data asking a question providing explanations communicating results
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Physics, 21.06.2019 17:30
Acatapult is tested by roman legionnaires. they tabulate the results in a papyrus and 2000 years later the archaeological team reads (distances translated into modern units): range = 0.4 km; angle of launch = π/5 rad; landing height = launch height. what is the initial velocity of launch of the boulders if air resistance is negligible?
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Physics, 22.06.2019 00:00
Ahypothesis is? close agreement by competent observers of observations of the same phenomena. a guess that has been tested over and over again and always found to be true. an educated guess that has yet to be proven by experiment. the long side of a right triangle. a synthesis of a large collection of information that includes guesses.
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Physics, 22.06.2019 12:00
In which of the following would the particles move most rapidly? a. ice at -20 °c b. water at 20 °c c. steam at 110 °c d. boiling water e. ice at 0 °c
Answers: 1
Acalorimeter has aluminum inner cup of mass 120 gram containing 200 ml water at temperature 20 degre...
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