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For the following acid-base equilibrium, label the stronger acid, stronger base, weaker acid, and weaker base. Predict whether the position of equilibrium lies toward the right or toward the left.
8.0 moles of CO2 and 9.0 moles of H2O are places in a 5.0L vessel. When equilibrium is established, [C2H4]=0.45 M. Calculate Keq
A 14.5 gram sample of gas is found to have a volume of 2.8 liters at 275 K and 1.10 atm. What is the molar mass of this gas?
What is the pH of the sodium phosphate buffer described in problem if 1 ml of 10M NaOH is added? What is the pH of 1 liter of water if 1ml of NaOH is added?
Treatment of the bicyclic chloride A with lithium in tetrahydrofuran (THF) gave the monocyclic product B, C9H9Li. In deuterated THF, B exhibited a single proton NMR signal at 6.72 ppm
Vitamin b6 is needed in the metabolism of amino acids. When it binds to an enzyme it forms a complex with the e-amino group of lysine, which is a primary amine.
if 223 g of ethanol are recovered after 1.63 kg of glucose react, what is the percentage yield of the reaction
What mass of ethanol, C2H5OH a nonelectrolyte, must be added to 10.0 L of water to give a solution that freezes at -10.0C? Assume the density of water is 1.0 g/mL. Kf of water is 1.86C/m.
When HSCN is added, you expect that the equilibrium will shift to the right and the reaction mixture will become darker (more orange).
if the syinge colume had been incorrectly read, giving a calculated system volume of 25.6 mL, what would have been the percent error in the calculated value of R?
Calculate the molarity of a solution made by dissolving 0.0715 mol Na2SO4 in enough water to form exactly 550. mL of solution
What are bonding theories? Why are they important? What may they be used for. HI has a force contents of 314 Nm^-1 and a bond length of 160.92 pm.
Describe Newman projection. Experiments have shown that for 1,2-dichloroethane, ClCH2CH2Cl, in carbon tetrachloride solution at 25C, 70% of the molecules are in the anti and 30% are in the gauche conformation
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