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what is the most polar molecule it is not hf hydrofluoric acid can you please explain what that is the
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imagine you are performing a calorimetry experiment using a constant-pressure calorimeter first you calibrate the
for this question imagine that sea water is a 35 mass solution of nacl with a density of 100gml assume full
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pyridine c5h5n is a weak base pkb 874 with an unpleasant sweet fishy odour in a titration 1750ml of pyridine solution
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a how many milliliters of a 072nbspmhclnbspsolution do you need to obtain 00032nbspmolnbspofnbsphclb a flask containing
analyzed individually two solutes have retention times of 17 s and 21 s with peak widths at half-maximum w12 of 19 s
1 a buffer system contains 018nbspmnh4nbspand 014nbspmnbspnh3nbsppkanbspofnbspnh4nbspis 925 how many moles
a 200 g sample of water with a temperature of 32c is added to 50 g water at 55cin an insulated container what is the
adescribe in your own words not more than 250 words the differences between passive and active thermography list at
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calculate the change in internal energydelta e for a system that is giving off 250kj of heat and is changing from 600l
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do the abstract of the research articles indicate there is evidence that studying intestinal microbiota can help
in a given region it takes 500 years to form 1cm of topsoil for the past 20 years the area has lost 1cm of topsoil
phylogeny labi introduction is the evolutionary development and diversification of a species this allows all organisms