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Is this an intensive physical property, extensive physical property, or a chemical property? Why?
suggest at least one characteristic absorption each in the ir spectra of 9-flurenone and 9-hydroxyfluorene that could
The Ksp for AgBr is 4.1 X 10-13. Will a precipitate form if 25 ml of 3.45 X 10-8 M AgNO3 solution is mixed with 25 ml of 4.65 X 10-5 M NaBr solution
Choose the amino acid in the following pairs that would be more likely to appear on the solvent-exposed surface of a protein
When she introduced 0.177 moles of NOBr(g) into a 1.00 Liter container, she found the equilibrium concentration of Br2(g) to be 1.76E-2 M. Calculate the equilibrium constant, Kc, she obtained for this reaction. Kc =
Calculate the heat evolved when 85.0 g of CH3OH (g) burns (assume excess O2 (g)) and calculate the mass (#grams) of O2 (g) consumed when 500 kJ of heat is produced by this reaction.
The density of titanium metal is 4.51g/cm3 at 25C. what mass of titanium displaces 125.0ml of water at 25c.
Problem- Suppose a solution contains 0.28 M Pb2 and 0.46 M Al3 . Calculate the pH range that would allow Al(OH)3 to precipitate but not Pb(OH)2. The Ksp values for Al(OH)3 = 4.6×10-33 and Pb(OH)2 = 1.43×10-20
Two components have boiling points of 130 C and 150 C. Estimate the number of theoretical plates needed to separate these substances in a fractional distillation.
a sample of argon gas has a volume of 765 ml at a pressure of 1.40 atm and a temperature of 144 degree c what is the
a common rule of thumb taught to engineers inthe recent past was that raising the temperature 10cfor many reactions
Calculate concentration of NaClO solution from that equation and calculate How many grams of this nuclide in a sample of 4.00 g will remain after 112 years?
which of the following is not consistent with the role water plays in dissociating ionic compounds?a. when an ionic
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