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Draw a resonance structure, complete with all formal charges and lone (unshared) electron pairs, that shows the resonance interaction of the acetyl with the ortho position in acetophenone
aqueous solution has an osmotic pressure of 6.35 torr at 23.1 C. What is the molar mass of the protein.
a saturated solution of copper(I) chloride, CuCl, has [Cu^+]=1.1x10^-3 M and [Cl^-]=1.1x10^3 M. what is the value of Ksp for CuCl
If what makes an acid strong is the extent of dissociation, at what sorts of concentrations (high or low) do weak acids behave more like strong acids
4 Fe(s) + 3 O2(g) → 2 Fe2O3(s). If 12.5 g of iron(III) oxide (rust) are produced from 8.74 g of iron, how much oxygen gas is needed for this reaction?
At what temperature does the average speed of an oxegen molecule equal that of an airplane moving at 580 mph? Im confused on the setup.
A fuel analyzes 74.0 wt % C and 12.0% ash (inert). Air is added to burn the fuel, producing a flue gas of 12.4% CO2, 1.2% CO, 5.7% O2, and 80.7% N2. Calculate the kg of fuel used for 100 kg mol of outlet flue gas and the kg mol of air used.
A solution is prepared by dissolving 55.1 g of KCl in approximately 75 mL of water and then adding water to a final volume of 125 mL. What is the molarity of KCl(aq) in this solution?
What type of reaction is occurring in each step. some categories include: Bronsted-lowry acid-base, precipitation or redox.
Sketch a potential energy versus reaction coordinates diagram for the following reaction
Explain why in an aqueous electrochemical cell, nitrate ions never react at the anode, but nitrite ions do
An argon ion laser which operates at 488.2 nm is used to excite the tagged proteins and observe fluorescence. A 5 µM solution gives a signal of 0.852 relative fluorescence units. What is the wave number of the laser light at 488.2 nm?
For a certain reaction ?Gorxn = 27.9 kJ/mol. What is the equilibrium constant at 225oC? Remember to convert kJ to J to have consistent units and the temperature to K.
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