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Chemistry, 22.06.2019 04:50
Acompound contains c, h, and o atoms. when 1.130 g of the compound is burned in oxygen, 1.064 g co2 and 0.3631 g h2o are produced. what is the empirical formula of this compound?
Answers: 1
Chemistry, 23.06.2019 05:00
If 15 drops of ethanol from a medicine dropper weigh 0.60g, how many drops does it takes from a dropper to dispense 1.0ml of ethanol? density of ethanol is ethanol is 0.80g/ml.
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Chemistry, 23.06.2019 13:00
How does the kinetic energy of a substance's particle in the solid phase compare to their kinetic enegy in the liquid phase?
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Chemistry, 23.06.2019 14:00
Ahas distinct properties and composition that never vary.
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Which family in the periodic table has metals that are usually harder than other metals? alkali met...
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