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Given the following acids or bases. 1) H2SO3 2) HPO4-2 a. Write the acid reactions for each of the above b. Write the Ka expressions for the reactions and look up the Ka for each of the above. c. What is the conjugate base of each of the above? d. Write the reaction for the conjugate base interacting with water. e. Write the Kb expressions for the reaction that involves the conjugate and calculate the actual value.
Triethyloxonium Tetrafluoroborate, (CH3CH2)3O+ BF4 - is a solid with melting point 91-92 degrees Celsius. Show how this reagent can transfer an ethyl group to a nucleophile (Nuc:-) in an SN2 reaction.
the rate of disappearance of HBr in the gas phase reaction 2HBr(g)-->H29(g)+Br2(g)is .301 at 150 degrees celsius. what is the rate of appearance of Br2?
Using complete sentences, respond to questions 1-5 using the equation below. Be sure to explain your reasoning.
at t0 butadiene was introduced into an empty vessel at 326 degree celsius and the gas phase dimerization reaction was
Determine the collision frequency at room temperature and compare this with the rate constant and teh Arrhenius parameters determined above.
C7H6O3 + CH3OH --> C8H8O3 + H2O In an experiment 1.50 g of salicylic acid (C7H6O3) is reacted with 11.20 g of methanol (CH3OH).
the neutralization of HCL with NaOH at 25 degrees celsius is -79.9 kj/mol. Calculate the equilibrium constant for the reaction.
This indicates that the solution is now more acidic, and the reaction shifts to the right, working to lower the concentration of hydrogen ions, and return to equilibrium
The _______ of a titration occurs when the indicator changes color.
What is the new HPO4^2-/H2PO4- ratio and new pH of solution? The pKa of H2PO4- is 6.64. Use henderson-hasselbach. C) Now take a fresh 60mL of the 0.50M pH of 6.83 buffer and add 3.7mL of 1.00M NaOH. Caclulate the new pH of the solution.
A bicycle tire is filled with air to a pressure of 95.0 psi at a temperature of 19 degrees celcius. Riding the bike on asphalt on a hot day increases the temperature of the tire to 58 degrees celcius. The volume of the tire increases by 4.0%. What..
an unknown monoprotic acid is titrated with 38.10mL of 0.265 M NaOH. Calculate the molar mass of the acid.
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