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What is the connection between thermodynamics and chemical equlibria. What is the connection between thermodynamics and electrochemical equilibria. Can you give a few examples
Hydrocyanic acid is a weak acid with Ka = 4.9 x 10-10. What is the pH of a 0.4480 M hydrocyanic solution?
Treatment of the following stereoisomer of 1-bromo-1,2-diphenylpropane with sodium ethoxide in ethanol gives a single stereoisomer of 1,2-diphenylpropene. Draw the E2 elimination product of the reaction.
A student has analyzed several 1 nL volume samples of a 10-12 M solution. What is the expected precision due to Poisson statistics
Aqueous solutions of ammonium sulfide, (NH4)2S, and Hg(NO3)2 react to produce HgS and NH4NO3. a. Write the overall balanced equation for the reaction. Indicate the state (s, aq) for each compound. b. Name each compound. c. What type of reaction is..
Define nucelophilicity. Give a detailed explanation as to why hydroxide is a much better nucleophile than water.
Write the cell reaction that occurs if the two Pt electrodes are shorted together. What is the standard potential of the cell?
If a radiation source has an intensity of 650 rem at 1.0 m, what distance is needed to decrease the intensity of expo- sure to below 25 rem, the level at which no effects are detectable
A 10.00 mL sample of the resulting solution is transferred into an Erlenmeyer flask for a titration. How many grams of baking soda are present in the 10.00 mL sample?
If the average fractional energy loss per collision in a material is 0.75, what will be the energy for a 1.98 MeV neutron after: A) 4 collisions? B) 19 collisions
What is the pH of a solution made by adding 11.0 grams of NH4Cl to 550 mL of 0.205 M NaOH. (Assume no change in volume takes place.)
What are the frequency and energy of a photon with a wavelength of 900 nm. Report your answers to three significant digits.
For the reaction shown, find the limiting reactant for each of the following initial amounts of reactants.
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