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 …

Jobs for Industrial, analytical, forensic, environmental and pure Chemistry graduates Read More »

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 …

Solved: How to calculate confidence interval ( 3 methods) Read More »

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.

Toxins on your lips. Unbelievable side effects of lipsticks.

Lipsticks are a woman’s most important and favourite cosmetic. Well selected, applied and skin-matching lipstick can indeed make a lady to look like an angel. However, most lipsticks contain lead(Pb), a heavy metal capable of accumulating in the body without being flushed out and causing cancer in later years. Harmful side effects of using lipstick …

Toxins on your lips. Unbelievable side effects of lipsticks. Read More »