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benzoic acid in water is 6.8g per 100ml at 100 degrees c, and .34 per 100ml at 25 degrees c. calculate the minimun volume of water needed to dissolve 1.00g of benzoic acid.
Determine the empirical formula of estradiol. The molecular weight of estradiol was later determined to be 272. Determine the molecular formula of estradiol.
A metal object with a mass of 19 g is heated to 96 degree celcious, then transferred to a calorimeter containing 75 g of water at 18 degree celcious
Determine the pressure, in torr and atm, of 3.94 mol carbon monoxide gas in a 4.25 Litre tank at temperature 31 degrees Celsius.
calculate the volume of water needed to dilute the anti-freeze from 0.20M in 0.260 litres to 0.13M.
A concentrated sulfuric acid solution is 65.0% H2SO4 by mass and has a density of 1.55 g/mL at 20°C. What is the mass of 8.00 L of the concentrated sulfuric acid solution?
Compounds containing carbon-carbon triple bond undergo the Diels-Alder reaction. Formulate the product formed by the reaction of
methanol, CH3OH can be produced through the reaction of CO and H2. if 75.o grams of CO is used and the typical yield is 79.8%, what mass of methanol is likely to be produced.
why would the chemiluminscence be more pronounced than with the flask stoppered? why is the chemiluminscence even more pronounced with the ferriccyanide/hydrogen peroxide mixture?
Up to Iron "Fe", the number of proton and neutron are about equal, after Fe the number of neutron began to rapidly increase, with respect to the number of proton, why?
Calculate the temperature change which will be caused by the following process: 0.640 moles of NH4Cl are dissolved in 1.00 L of water.
an aerosol can holds 0.35 L at 4.5 atm pressure. What is the volume when the gas is released into 1.0 atm pressure.
Calculate the volume of O2 at STP, required for the complete combustion of 175 g octane (C8H18) to CO2 and H2O?
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