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Show that Ka Kb = Kw for a weak acid and its conjugate base OR a weak base and its conjugate acid, using the equilibrium expression for each.
To determine the molecular formula of a compound - gas was mixed with calcium chloride solution,
Draw the structure for the major product formed when cyclohexanone reacts with each of the following- hydrazine, then hot, fused KOH
30.3 g of chromium(III) oxide reacts with 10.8 g of aluminum to produce chromium and aluminum oxide. If 20.7 g of chromium is produced, what mass of aluminum oxide is produced?
Consider a cylindrical container partially filled with ethanol (C2H6O). Using the model in which ethanol vapor pressure is a result of equilibrium between the rate of ethanol evaporation and condensation.
density generally increase decrease or remain unchanged when items are heated,Briefly explain your answer?
What would the atom ratio of 206Pb to238U be in a uranium mineral from a rock that is 1.0 × 10^9 years old? t1/2(238U)= 4.5 × 10^9 yr
The repeating galacturonic acid monomers are connected by a-(1->4) bonds. Below draw 4 repeating monomer units making up a pectin molecule
A 9.767-g gaseous mixture contains ethane (C2H6) and propane (C3H8). Complete combustion to form carbon dioxide and water requires 1.120 mol of oxygen.
At what Kelvin temperature will the reaction proceed 4.50 times faster than it did at 309 K?
Thin layer chromotography it would be caffeine, but why? both have amide functional groups making them very polar, so why is caffeine more polar?
Calculate the force of attraction (in N) between a cation with a valence of +2 and an anion with a valence of -2
Determine the value of Kc for the following reaction if the equilibrium concentrations are as follows: [N2]eq = 3.6 M, [O2]eq = 4.1 M, [N2O]eq = 3.3 × 10-18 M.
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