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Explain how can you distinguish between the pairs of the following isomers using spectroscopic methods (IR or NMR)?
i. cis- and trans-[PdCl2(PPh3)2]
ii. cis- and trans-[ [PtCl2(PPh3)2]
According to the Lewis theory, which one of the following compounds would be expected to react as a Lewis acid, but not as a Lewis base
How many moles of steam are produced at 2.00 atm and 202.0 degrees celcius by the complete combustion of 12.50 L of methane gas?
What is the principal quantum number of the valence electrons in an atom lead? EXPLAIN how you got your answer.
The solubility of o-toluic cud in benzene is 3.5 g/100 mL at 25 degrees C. Calculate the theoretical percent recovery from the recrystallization of 10 g of o- toluic acid from 30 ml of benzene
An aqueous antifreeze solution is 40.0% ethylene glycol, C_2H_6O_2, by mass. The density of the solution is 1.05 g/ml. Calculate the molality of the ethylene glycol.
What is the balanced cell reaction for the following echem cell set-up. Pt(s) / PbO2(s) / Pb(NO3)2, HNO3 // Cr(NO3)3 / Cr(s)
Calculate the number of moles of the H2O2 in the 10.00 mL sample in every titration from the volume of KMnO4 used and the stoichiometry of the reaction.
The blue color of the sky is due to the scattering of sunlight by the molecules in the air. The blue light has a frequency of about 7.5 x 10^14 Hz.
A gas in a container is expanded by 0.25 of the original volume to a total of 15 dm^3 at constant temperature. The resultant pressure is 20 bar. What was the original pressure before the compression assuming perfect gas behavior
If the water in your house has 1000.0 mg/L of calcium carbonate dissolved in it, How many grams of sodium oxalate could you mix with 100.0 mL of that water before a precipitate would form.
Cabbage water will spoil after a few days. How might you make a cabbage indicator with a longer shelf life? According to your cabbage water, what is the pH of baking soda, crushed aspirin, cleanser, garden lime, sugar and lemon juice?
An unknown Chromium solution was mixed with aliquots of a standard solution of Chromium for atomic absorption spectroscopy. The standard solution contained 1000 ppm of Chromium (this is [s]i)
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