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Define the following terms: Bronsted-Lowry acid, Bronsted-Lowry base, Lewis acid, Lewis base.
a mixture of gases with a pressure of 800.0 mm hg contains 60 nitrogen and 40 oxygen by volume. what is the partial
What is the Keq for a chemical reaction which has Eo of +0.50v and a 3 electron exchange
what is the final equilibrium temperature of the system? The heat capacities of water and gold are 75.29 and 25.42 J/mol/K, respectively.
What is the concentration of protonated species for a typical amine (pKa=10) at pH 11 in a 0.01 M solution of the amine?
The PH of 0.1 M MCL ( M+ Iis unknown cation ) was found to be 4.7. write an net ionic equation for the hydrolysis of M+ and it's corresponding equilibrium expression Kp . Calculate the value of KP
Calculate the concentration of the potassium ion in grams per liters after mixing 100ml of KCL 0.250 M and 200 ml of K2SO4 0.100 M.
Balance the following equations and write balanced net ion for each reaction. a) HBR(aq) + Ca(OH)2 (aq) b) net ionic equation C) Fe(OH)3 (aq) + H2SO4 (aq) d) net ionic quation
A helium tank contains 25.2 leters of helium at 8.4 atm pressure. Determine how many 1.5-L balloons at 755 mm Hg can be inflated with the gas in the tank, assuming that the tank will also have to contain He at 755 mm Hg after the balloons are ..
Determine the activation energy (EA) for a reaction which quadruples on a temperature increase from 30oC to 60oC.
Calcium carbide (CaC2) reacts with water to form acetylene (C2H2) and Ca(OH)2. From the following enthalpy of reaction data, calculate Δf for CaC2(s)
The ache or "burn" you feel in your muscle during strenuous exercise is caused by the accumulation of lactic acid. The hydrogen atom of the COOH group is acidic
A solution was prepared by dissolving 0.450 g MgSO4 (FW=120.363g/mol) in 0.500L of water. A 50.0 mL aliquot of this solution consumed 37.60 mL of EDTA solution in a titration.
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