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biodiesel makes use of plants ability to fix atmospheric carbon by photosynthesis many companies and individuals are
an unknown sample of cu2 gave an absorbance of 0292 in an atomic absorption analysis then 200 ml of solution containing
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in an effusion experiment it was determined that nitrogen gas effused at a rate 1812 times faster than an unknown gas
phthalocyanine is a large molecule used in printing inks and dyes for clothing due to its insolubility in most solvents
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calculate how many litres of water would be required to produce 10 cm3 of calcite based on having 181 x 10-5 moles of
you designed a camping stove that uses liquid propane as fuel and is so efficient that combustion takes place at 120 oc
laboratory experiment produces volatile compound in gaseous form you need to collect this sample by adding just enough
a consider a machine that uses compressed air to perform work after the working cylinder volume 12 l is pre-charged to
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a 1000 ml sample of 0200m aqueous hydrochloric acid is added to 100ml of 0200m aqueous ammonia in a coffee cup
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given the following organic equation and data calculate the maximum theoretical yield of benzoic acid in grams113 ml of
we performed an extraction using benzoic acid 2-naphthol and 14-dimethoxybenzene what is the chemical reaction for the
the combustion of sodium has a change in heat for the balanced reaction of -832 kj do you need a balance reaction to
if the titration of 08094g of 100 pure kph requires 4025ml of naoh what is the concentration of the naoh