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Teniola
Questions (2)
The price of a commodity originally sold for 20# increased to 35#.find the percentage increase
1 answer
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Calculate the enthalpy change that occurs when 1kg of benzene vapour at 150℃ and 100KPa condense to a solid at -20℃ and
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Answers (2)
Heat the solution to concentrate it/ leave in a warm place / partially evaporate solution and allow to coolfilter off crystals / pick out crystals dry crystals with filter paper
The steps of the equation
