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Chemistry, 22.06.2019 00:00
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Chemistry, 22.06.2019 12:30
When a scientific theory has been tested and proved by the scientific community, it becomes a law
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Chemistry, 23.06.2019 04:31
What is the amount of energy for a photon that has a 125 cm wavelength
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Chemistry, 23.06.2019 07:30
Assume that 13.5 g solid aluminum (al) react with hcl to produce solid aluminum chloride (alcl3) salt and gaseous hydrogen (h2) at standard temperature and pressure.
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Blance this out ! ba(cn)2+2h2so4=baso4+2hcn...
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