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Calculate the concentration of all species in a 0.050 M tartaric acid solution. These species include [H3O+], [HC4H4O6^1-], H2C4H4O6] and [C4H4O6^2-]. For tartaric acid, Kal=1.0 x 10^-3 and Ka2=4.6 X 10^-5.
What mass of ethanol is present in the vapor? (the vapor pressure of ethanol is 10.0 torr at -2.3 degrees C and 40.0 torr at 19 degrees
If 0.80 g of gas occupies 295mL at 25 degrees Celsius and 680 mm Hg of pressure, what is the molar mass of the gas?
Calculate the mass of propylene glycolC3H8O2 that must be added to 0.320kg of water to reduce the vapor pressure by 2.88torr at 40C Pressure H2O 40C 55.3torr
If 10500 L H2 gas is reacted with an excess of N2 gas at 200 atm. and 500 C, how many moles of ammonia gas would be produced, assuming a 15% yield?
Graphite is a semi-metal composed of sheets of fused benzene rings. There are no bonds between sheets, only van der Waals interactions
What volume of hydrogen gas is produced when 83.8 g of iron reacts completely according to the following reaction at 25oC and 1 atm.
How many moles of N2 are produced by the decomposition of 1.80 mol of NaN3?
if 525 mL of gas at 25 degrees celcius is heated to 50 degrees celcius at constant pressure, calculate the new volume.
How much 0.54 M NaCl, "physiological saline," can be prepared via the dilution of 250 mL of a 6.0 M NaCl solution?
If an automobile is able to travel 246 on 10.6 of gasoline, what is the gas mileage in ?
What are the number average molecular weight and weight average molecular weight of the blend?
The entatic state theorem proposes that enzymes create at the active site an area with its energy closer to that of a unimolecular transition state, rather than that corresponding to a conventional, limiting form of the molecule
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