Chemistry, 25.08.2019 18:00 AkramMasoud
What is the major difference between the periodic table created by dmitri mendeleev and the one created by henry moseley?
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Which actions would increase the rate at salt dissolves in water? stir the water? crush the salt? use less water? heat the water? cool the salt
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Atrain travels 74 kilometers in 3 hours, and then 81 kilometers in 5 hours. what is its average speed?
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Calculate the mass of silver needed to react with chlorine to produce 126g if silver chloride?
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Chemistry, 22.06.2019 07:00
The blackbody curve for a star name zeta is shown below. what is the peak wavelength for this star ?
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What is the major difference between the periodic table created by dmitri mendeleev and the one crea...
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