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Calculate the pressure exerted by 12.3 moles of neon gas in a volume of 5.55 L at 25C using (a) the ideal gas equation and (b) the van der Waals equation (For neon a=0.211atm*L^2/mol^2 and b=0.0171 L/mol.)
A 32.65-g sample of a solid is placed in a flask. Liquid toluene, in which the solid is insoluble, is added to the flask so that the total volume of solid and liquid together is 50.00 ml.
Graphite Furnace vs ICP, with investigating and writing a proposal for Heavy metal testing using Graphite Furnace.
A 782 mL gas sample at STP is compressed to a volume of 131 mL, and the temperature is increased to 22 ? C. What is the new pressure of the gas in Pa? Answer in units of Pa
What is the volume in centimeters cubed of a marble with the diameter of 1.5 cm? Use the formula Volume = 4/3 pi x (radius)3.
assuming an Sn2 reaction mechanism, predict the major organic product(s) of (s)-3,3-dimethyl-2-butanol when reacted with HCl.
the maximum velocity of the ejected electrons is 3.45 multiplied by 105 m/s. Calculate the binding energy of electrons to the magnesium surface.
How much energy in kilojoules is required to convert 260 mL of water at its boiling point from liquid to vapor?
A 93-L sample of dry air cools from 145 degrees celicus to -22 degrees celicus while the pressure is maintained at 2.85 atm. What is the final volume?
What is the value of the equilibrium constant for the cell reaction below at 25°C? E°cell = 0.30 V
A 9.775 g. gaseous mixture contains ethane (C2H6) and propane (C3H8). Complete combustion to form carbon dioxide and water requires 1.120 mol of oxygen. Calculate the mass percent of ethane in the original mixture.
If 20.0 g acetylene is allowed to completely react with oxygen , how many g of O2 are reacted? 2C2H2 + 5O2→ 4CO2 + 2H2O
Calculate the pH of a solution of 15 mL K2HPO4 at 0.1 molarity,
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