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Chemistry, 22.06.2019 02:30
List four observations that indicate that a chemical reaction may be taking place
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Chemistry, 22.06.2019 14:10
Aconcentrated solution of ammonia is 14.8m and has a density of 0.899g/l. what is the concentration of ammonia in this solution in weight percent (%w/w)?
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Chemistry, 22.06.2019 17:40
If 3 moles of a compound use 24 j of energy in a reaction, what is the a hreaction in j/mol?
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Chemistry, 22.06.2019 18:30
The number of moles of a given mass of a substance can be found without knowing its molecular formula or molar mass. true false
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A certain violet light has a wavelength of 4.12 x 10^-7 m. What is the
frequency of light? c= wv (...
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History, 11.12.2019 18:31