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An empty flask weighs 252.2 grams. When filled with water ( d= 1.00 g/cm3) the flask and its contents weigh 591.8 g)
1) What is the flask volume in (cm3)
2) How much does the flask weigh in grams when filled with chlorophorm ( d= 1.48g/cm)
A sample of water is collected over water at a total pressure of 616.8 mmHg at 300 C. The vapor pressure of water at 300 C is 31.8 mmHg.
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Iron has a reported average atomic mass of 55.85 amu. If iron has two isotopes, one of which has 29 neutrons and an isotopic abundance of 57.50%, what is the mass of the other isotope?
A 25.72 mL sample of a 0.200 M solution of barium nitrate is mixed with 11.19 mL of a 0.250 M solution of potassium sulfate. Assuming that all ionic species are completely dissociated
Why are unsaturated carbonyl compounds UV activte but saturated esters and ketones are not UV active
A mixture of twenty five grams of potassium nitrate(KNO3) and two grams of CuSO4*5H20 with 11.5 grams of water at 100 degree celcius temperature, 15 g ramsof water are mixed.
A mixture of nitrogen and hydrogen was allowed to come to equilibrium at a given temperature according to 3H2+N2 2NH3. At equilibrium, the mixture contained
calculate the mass in kilograms of 3.99 liters of acetic acid. the density of this substance is 1.05g/mL ?
The two phases are allowed to come to equilibrium with their product ammonia in a vessel of fixed volume and at a temperature
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