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How can the presense of the intramolecular hydrogen bonding in the single-deprotonated maleic acid lead to differences in the acid-dissociation constant when compared to fumaric acid?
a compound called pyrene has the empirical formula c8h5 . when 4.04 g of pyrene is dissolved in 10.00 g of benzene the
When the flask is allowed to cool the vapor condenses and aire again refulls the flask. Re weighing the flask and figure out the the wight of the unknown vapor which filled the flask during the boiling. Is the error in volume measurement or the err..
The reaction for the decomposition of dinitrogen monoxide gas to form an oxygen radical is: N2O--->N2 + O2. If the activation energy is 250 kj/mol and the frequency factor is 8.0 x 10^11 s^-1, what is the rate constant for the first order reaction..
what is the keq value for the acid base reaction between sulfuric acid and nitric acid? Assume that pka of the conjugated acid of nitric acid is -13.
Number of protons & the number of neutrons in the nucleus of the element boron and potassium and the number of electrons in their 1st & 2nd quantum shells?
what is the molarity of the oh- ions in 0.040 m barium hydroxide baoh2? i know the answer is .08m. the barium hydroxide
Calculate the internal energy change (delta(U)) for vaporization of 100 g of CI2(l) at this temperature and 1 bar? (b) Calculate its molar entropy change (delta(S)) for vaporization at this condition.
An alkaline earth metal, M, combines with a halide, X. Will the resulting compound be ionic or covalent? Why? What is the Lewis structure for the compound
In reference to question 6-88a: a. Explain why borane (BH3) reacts readily with the pi electron system of an alkene. b. Explain why diborane (B2H6) reacts only very slowly with C double bond C groups
The solublity of acetanilide in hot water is 5.5 g/100mL at 100 degee centigrade and its solublity in cold water is .53g/100mL at 0 degree centigrade. what would be the maximum theoretical percent recovery from the crystalliztion of 2.5 g of aceta..
What is the hybridization of phosphorus in the phosphonium ion (PH4+)? If someone can tell me how to figure this out I would really appreciate it. Any shortcuts or hints on how to solve it?
If 13.93 mL of NaOH solution is required to reach the stoichiometric point, what is the molar concentration of the sodium hydroxide solution?
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