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Cyclobutane decomposes to ethene in a first-order reaction. From measurements of the rate constant (k) at several absolute temperatures (T), the accompanying Arrhenius plot was obtained (ln k versus 1/T).
a. Compute the energy of activation, Ea.
b. Find out the value of the rate constant at 740. K. (In the plot, the units of k are s-1.)
How many moles of CS_2 are produced if 6.85 mol C and 2.95 mol SO_2 are reacted together
Calculate the percentage of pyridine ( C5H5N) that forms pyridinium ion, C5H5NH+ , in a 0.10 M aqueous solution of pyridine (Kb = 1.7x10-9).
Hypervenilation raises the pH of the blood in a condition known as respiratory alkalosis. Common treatment is to have the patient breathe into a paper bag,
A mixture of benzene and styrene is fed at a rate of 100 mol/min to a flash tank operating at 25'C. The flash produces equal flows of gas and liquid, with the liquid phase being 95% pure.
How many grams of the excess reactant remain after the limiting reactant consumed? 1.05 g of NaHCO3 & 1.05 g of H3C6H5O7 react.
explain the apparent paradox. although the addition of one equivalent of HX to an alkyne is more exothermic than the addition of HX to an alkene, an alkene reacts faster
Producing hydrogen atoms from H2 molecules requires 436 kJ/mol to break H-?H bonds. For the longest-?wavelength photon capable of breaking a single H-?H bond, calculate
eject electrons from a mixed alkali metal photocathode, what is the longest wavelength in nm of light necessary to eject these electrons by the photoelectric effect?
How many grams of lithopone are produced in the reaction of 315ml of 0.275M ZnSO4 and 285 ml of 0.315M BaS?
Find the volume (mL) and pH of 0.0588 M KOH needed to reach the equivalence point(s) in titrations of the following.
A 1.35 m aqueous solution of compound X had a boiling point of 101.4°C. Which one of the following could becompound X. The boiling point elevation constant for water is 0.52°C/m. A) C6H12O6 B) CaCl2 C) KCl D) CH3CH2OH E) Na3PO4
If i want to make 400.00 mL of a 0.325 M KNO3 solution, and I have a 0.840 M stock solution on hand, how much of the stock solution will I need to dilute
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