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Chemistry, 22.06.2019 21:00
Rays from the sun are not considered matter true or false
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The kw for water at 0 °c is 0.12× 10–14 m2. calculate the ph of a neutral aqueous solution at 0 °c.
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Chemistry, 23.06.2019 07:00
An unknown substance is a white solid at room temperature and has a melting point of 78 °c. which of the following substances is most likely to be the identity of the unknown sample?
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2na + mgcl2 -> 2nacl + mg. the problem is to find how many grams of sodium chloride is formed fr...
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