Maths
Calculate the volume and curved surface area of a cone 14cm in base diameter and 24cm high
Maths
A right pyramid on a base 4cm square has a slant edge of 6cm.calculate the volume of the pyramid
organic chemistry --please help me!!!!!!!!!!!!!!!
Calculate the theoretical yield for the bromination of bothstilbenes and cinnamic acid, assuming the presence of excesspyridinium tribromide. cinnamic acid - 150 mg cis-stilbene - 100 μL trans- stilbene - 100 mg pyridinium tribromide - 200-385 mg
organic chem
How do injector temperature and detector temperature affect retention time of a compound in gas chromatography?
organic chem
An unknown compound melted at 131-133°C. It is thought to be one of the following compounds(mp,°C): trans-cinnamic acid (133-134); benzamide(128-130); DL-malic acid(131-133); or benzoin(135-137). The mixture melting points of the unknown compound with each of the test ...
organic chem
in simple distillation or fractional distillation do the changes in temperature occur more gradually? and why?
organic chem
why should we notify the laboratory instructor of any incidents that occur in laboratory?
organic chem
what steps should we do if a large bottle of acetone is broken and spilled in the laboratory?
organic chem
what steps should we do if ethanol in a beaker ignites in the laboratory?
Business Math
Earl wants to retire to San Diego when he is 65, he is now 50. He will need $300,000.00, how much would he have to invest today @6% interest compounded semiannually to meet his goal?
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