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Chemistry, 21.06.2019 14:10
Can smoke be transformed into liquid or used as energy or both?
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Energy is released during which phase changes? check all that apply. boiling condensing depositing freezing melting subliming
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Chemistry, 22.06.2019 12:10
Achemistry student needs to standardize a fresh solution of sodium hydroxide. he carefully weighs out of oxalic acid , a diprotic acid that can be purchased inexpensively in high purity, and dissolves it in of distilled water. the student then titrates the oxalic acid solution with his sodium hydroxide solution. when the titration reaches the equivalence point, the student finds he has used of sodium hydroxide solution.calculate the molarity of the student's sodium hydroxide solution. be sure your answer has the correct number of significant digits.
Answers: 1
Solid calcium carbonate decomposes according to this process:
CaCO↓3(s) > CaO(s) + CO↓2(g), ΔHrx...
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