Chemistry

Jobs for Industrial, analytical, forensic, environmental and pure Chemistry graduates

Whether you’ve graduated or not, knowing where your degree will be appreciated is very important and fulfilling as well. Being a chemist, I know that earning that precious paper in this discipline is not a joke at all and really demanding. The only consolation to such a tussle is one, a promising job in the …

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Solved: How to calculate confidence interval ( 3 methods)

The confidence interval is a way to report the most probable value for a population’s mean μ, when the population’s standard deviation, δ is known. Confidence intervals can be quoted for any desired probability level, several samples of which are shown in the table below. There are 3 methods for calculating confidence interval and their …

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Solubility of aldehydes and ketones in water.

The carbonyl oxygen atom allows molecules of aldehydes and ketones to form strong hydrogen bonds to molecules of water. As a result, low molecular weight aldehydes and ketones show appreciable solubilities in water. Acetone and acetaldehyde  are soluble in water in all proportions. Exercise: Sketch the hydrogen bonding between benzaldehyde and water.