Chemistry, 20.08.2019 13:50 kutiracing
Amy performed an experiment in lab. she improperly mixed the chemicals, and an explosion of light, sound, and heat occurred. when amy mixed the chemicals, energy was
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What effect might melting sea ice have for people who live in coastal areas?
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Chemistry, 22.06.2019 07:30
11. phosphorus-32 is radioactive and has a half life of 14 days. how much of a 124 mg sample of phosphorus-32 is present after 56 days? a) 7.75 mg b) 15.5 mg c) 31.0 mg d) 62.0 mg
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Chemistry, 22.06.2019 07:30
The volume of helium in a blimp is 6.28 x 10^9 millimeters. the density of helium in the blimp is .1786 kilogram/meter^3. find the mass of the helium in the blimp.
Answers: 1
Amy performed an experiment in lab. she improperly mixed the chemicals, and an explosion of light, s...
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