Chemistry, 27.08.2021 04:30 marley462847
The mass of a single potassium atom is 6.50×10-23 grams. How many potassium atoms would there be in 329 milligrams of potassium?
Answers: 2
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Chemistry, 22.06.2019 01:30
Aroller coaster car is traveling down a track at 22 m/s. the car has a mass of 2000 kg. what is the kinetic energy of the car? a) 22,000 j b) 968,000 j c) 484,000 j d) 44,000 j
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Chemistry, 22.06.2019 13:30
Astudent is trying to create a table that compares hypotheses, theories, and laws. hypothesis theory law do scientific researchers formulate it? yes yes yes does it explain why things happen? yes yes no yes yes yes is it used to make predictions? no yes yes which of the following questions would most likely fill the blank in the table? is it an intelligent guess? is it newly formulated? is it based on observations? has it been proved?
Answers: 1
The mass of a single potassium atom is 6.50×10-23 grams. How many potassium atoms would there be in...
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