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650.j is the same amount of energy as? 2720cal1550cal650.cal2.72cal
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Chemistry, 22.06.2019 18:50
Asample of tin (ii) chloride has a mass of 0.49 g. after heating, it has a mass of 0.41 g. what is the percent by mass of water in the hydrate? %
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Chemistry, 23.06.2019 00:00
How many atoms or molecules are there in a mole of a substance?
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Ammonia nh3 chemically reacts with oxygen gas o2 to produce nitric oxide no and water h2o . what mas...
Computers and Technology, 02.12.2019 23:31
Computers and Technology, 02.12.2019 23:31
Computers and Technology, 02.12.2019 23:31