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Topic - Green Chemistry
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When 35.0 g of an unknown nonelectrolyte is dissolved in 220.0 g of benzene, the solution boils at 83.2°C. Calculate the molecular weight of the unknown nonelectrolyte. The Kb for benzene = 2.53°C/m. The boiling point of pure benzene is 80.1°C.
ow many coulombs are required to produce 63.8 g of potassium metal from a sample of molten potassium
We know that the molar heat of vaporization is 39.3 KJ per mol and that the boiling point if 78.3 Celsius
Where do i draw the line between a good leaving group and an excellent leaving group(sn1)? Do i draw the line for a excellent leaving group at all halides
Calculate the enthalpy change in kJ when 19.1g of H2S is burned. 2H2S(g) + 3O2(g) --> 2SO2(g) + 2H20(g) Change in H= -1036kJ/mol
Balance the following redox reaction if it occurs in acidic solution. What are the coefficients in front of H2C2O4 and H2O in the balanced reaction
the solubility of adipic acid in water is 1.5 g per 100 ml at 15?c and 0.6 g per 100 ml in ether at the same
What is the contribution to the internal energy from translations for an ideal montatomic gas confined to move on a surface? What is the expected contribution from the equiparyition theorm?
the equilibrium constant for the reaction of bromine with chlorine to form bromine monochloride is 58.0 at a certain
Forty-four grams of carbon dioxide occupies 32.68 L at 65°C and 645torr. Explain what is its volume at STP?
Sufficient of a monoprotic acid is dissolved in water to produce a 0.0133 M solution. The pH of the resulting solution is 2.42. Compute the Ka for the acid.
Add sodium hydroxide to copper(II) nitrate and use a stirring rod to test if the solution is basic. How do you establish whether the solution is basic? (Explain what else is needed, what observations are made, and what should be observed if the so..
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