Questions by CharliWallen

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1 answer 61 views

A chemistry student wants to determine the percent composition of calcium oxide in a given sample of limestone. The student does an experiment and obtains the mass of the limestone sample, the mass of carbon dioxide evolved upon heating the limestone, and the mass of calcium oxide left behind. Using mass balance calculations, determine the percent composition of calcium oxide in the limestone sample.

asked Jan 22 in Analytical Chemistry

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1 answer 66 views

What is the systematic name of the organic compound with the molecular formula C5H10O and a carbonyl functional group attached to the 2nd carbon atom of the chain?

asked Jan 21 in Organic Chemistry

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1 answer 17 views

Why is a two-way ANOVA used?

asked Jan 17 in Psychology

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