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A compressed nitrogen cylinder from Praxair has a volume of 43.0L and a maximum pressure of 2265 psi. Assuming that the temperature is 293K and using Redlich-Kwong equation of state, calculate the volume of ambient pressure (1 Bar) nitrogen that can be compressed into the cylinder.
Vinegar is an aqueous solution of acetic acid. By law, it must contain 4 g acetic acid per 100 ml solution. What approximate volume of 0.10 M of NaOH would be neededto titrate a 15.00 ml aliquot of commercially availabe vinegar?
the reaction was found to be first order both with rspect to NO and O3 (expressing concentrations as molarity) What are the units of the rate constant K for this reaction?
you have a buffer system made up of equimolar amount of carbonic acid,H2CO3, and sodium bicarbonate,NaHCO3. Write equations to show how this buffer behaves when (a) HCL is added and (b) NaOH is added.
How much heat is required to convert 25.0g of ethanol at 25 degrees C to the vapor phase at 78 degrees C?
Calculate amount of Energy released in formation of one mole of BaO (Not Lattice energy). The radius of barium ion is 1.35 A and Radius of oxide ion
determine at what pressure will pure H 2 O start to boil if its temperature is seventy five degree Celsius
Cobalt-60, which undergoes beta decay, has a half life of 5.26 years.
Estimate the molar heat of vaporization of a liquid whose vapor pressure doubles when the temperature is raised from 85ºC to 95ºC.
calculate the weight of sodium hypochlorite, NaOCl.
what is the total volume of gases produced by the combustion of 500g of butane. assume 1 atm, temp 28 degrees C and that water is produced as a gas
A buffer is prepared by mixing 615 mL of 0.50 M formic acid, HCHO2, and 385 mL of 0.50 M sodium formate, NaCHO2. Calculate the pH.
The ionization constant, Ka, for HOI(aq), hypoiodous acid, is 2.3 × 10-11. What is the pH of a 0.050 molar solution of sodium hypoiodite, which contains the hypoiodite ion?
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