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Chemistry, 22.06.2019 04:00
Write the empirical chemical formula of calcium with a mass percent of 38.8, phosphorus with a mass percent of 20.0, and oxygen with a mass percent of 41.3.
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Frictional forces acting on an object are often converted into energy, which causes the temperature of the object to rise slightly.
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Chemistry, 22.06.2019 06:30
(1.6 Ă— 10-19)(5.0 Ă— 106) = c Ă— 10d identify the missing numbers below to show the result of multiplying the numbers.
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Chemistry, 22.06.2019 18:00
How is energy related to the change of state represented by the model? atoms gain energy as a solid changes to a liquid. atoms gain energy as a solid changes to a gas. atoms lose energy as a solid changes to a liquid. atoms lose energy as a solid changes to a gas.
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How many moles are contained in 2.00 x 10^25 atoms of calcium...
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