Recent activity by CharliWallen

1 answer 27 views

How can Magnetic Resonance Spectroscopy be used to determine the purity of chemical compounds?

answered Feb 6 in Physical Chemistry

1 answer 66 views

A chemistry student was given a sample of an unknown compound. The student performed an analysis on the sample using mass balance calculations and obtained the following data: the sample had a mass of 2.64 g and contained 1.32 g of carbon, 0.22 g of hydrogen, and 0.88 g of oxygen. What is the molecular formula of the unknown compound?

answered Jan 22 in Analytical Chemistry

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

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

1 answer 17 views

Why is a two-way ANOVA used?

asked Jan 17 in Psychology

1 answer 54 views

What is the role of metapsychology in evaluating psychological theories?

answered Jan 16 in Psychology

1 answer 45 views

What is a systematic review?

answered Jan 14 in Psychology

1 answer 57 views

Bacterial dna is contained in one circular chromosome, located where?

answered Dec 30, 2024 in Science

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