Chemistry, 20.02.2020 23:10 samafeggins2
Problem PageQuestion A sample of polystyrene, which has a specific heat capacity of , is put into a calorimeter (see sketch at right) that contains of water. The polystyrene sample starts off at and the temperature of the water starts off at . When the temperature of the water stops changing it's . The pressure remains constant at . Calculate the mass of the polystyrene sample. Be sure your answer is rounded to significant digits.
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Gasoline has a density of 0.740 g/ml. if you have 328 grams of gasoline, what is the volume in milliliters?
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Dumbledore decides to gives a surprise demonstration. he starts with a hydrate of na2co3 which has a mass of 4.31 g before heating. after he heats it he finds the mass of the anhydrous compound is found to be 3.22 g. he asks everyone in class to determine the integer x in the hydrate: na2co3ยทxh2o; you should do this also. round your answer to the nearest integ
Answers: 2
Problem PageQuestion A sample of polystyrene, which has a specific heat capacity of , is put into a...
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