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The relationship between the temperature of a reaction, its standard enthalpy change, and the equilibrium constant at that temperature can be expressed as the following linear equation:
In K = -ΔHo/RT + constant
(a) Explain how this equation can be used to determine ?H° experimentally from the equilibrium constants at several different temperatures.
(b) Derive the preceding equation using relationships given in this chapter. To what is the constant equal?
protonated means that the drug is in its acid form (HA) and dissociated means that the drug is in its dissociated form (A-). the pH of the stomach is about 1 or 2. the pH of the blood is about 7.4. given that a drug has a pKa of 4.2.
Suggest a reasonable strategy for the synthesis of 1-bromo-2-methylcycloheane from methylcyclohexane.
suppose you have a cube of copper metal that is 0.236cm on a side with a mass of 0.1206 g. if you know that each copper
The ester responsible for the aroma of fresh raspberries is2-methylpropyl formate proposes a synthesis for this ester.
a. You have 50 mL of a buffer solution that is 0.15 M in HA and 0.25 M in A-. Calculate the pH of the solution after you add 100 mL of 0.01 M HCl to the solution. The pKa of HA is 4.75.
Problem- When 50.00mL of 1.000 x 10^-1 M Lead (II) nitrate solution are combined with 50.00mL of 1.000 x 10^-1 M sodium iodide solution, a precipitate is formed. 1.021g of dry solid was obtained.
Calculate the number of moles of hydrogen gas that can be produced by the reaction of excess water with 8.75 x 1021 atoms of barium.
Problem- Looking in Appendix E, suggest what metal the underground pipes could be made from in order for magnesium to be successful as a sacrificial anode.
A solid hydrate weighing 2.691g was heated to drive off the water. A solid anhydrous residue remained, which weighed 2.259g. If the anhydrous residue has a formula weight of 282, How much moles of water are present in one mole of anhydrous salts
the empirical formula of a group of compounds is chcl. lindane a powerful insecticide is a member of this group. the
A sports car moving at constant speed travels 105 m in 4.8 s. If it then brakes and comes to a stop in 4.0 s, what is its acceleration? Express the answer in terms of g's, where g = 9.80 m/s2.
a gas occupying a volume of 139 ml at a pressure of .970 atm is allowed to expand at constant temperature until the
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