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Archimedes stated that objects that float displace water in amounts (weight) equal to the object's weight, while objects that sink
displace water volumes equal to the object's volume. Archimedes' hands-on work with the water displacement by objects and the use
of density to compare materials distinguish him as a scientist. Can the two Greek philosophers, Democritus and Aristotle, who argued
about the composition of matter be considered scientists, too? Explain.
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After cloud droplets form, what must happen to them for precipitation to occur?
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Acalorimeter is to be calibrated: 51.203 g of water at 55.2 degree c is added to a calorimeter containing 49.783 g of water at 23.5c. after stirring and waiting for the system to equilibrate, the final temperature reached is 37.6 degree c. specific heat capacity of water (s = 4.18 j/g∙degree c). calculate the calorimeter constant. (smδt)warm water = -[(smδt)cold water + (calorimeterδtcold water)]
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Carbon-14 undergoes radioactive decay in the reaction above. determine the type of radiation emitted in this reaction and describe what is happening to the nucleus during this reaction.
Answers: 2
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Archimedes stated that objects that float displace water in amounts (weight) equal to...
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