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What is the pH at the equivalence point in the titration of a 22.1 mL sample of a 0.390 M aqueous acetic acid solution with a 0.399 M aqueous potassium hydroxide solution?
Create a MO diagram for H2. Include in this diagram the molecular electron configuration and the bond order and where the Homo(-) Lumo Homo, Lumo (+) is next to the energy level on the diagram.
a object of 50.0 grams agsilver is combined to 75.5 milliliters of nbsph2o water contained in a graduated cylinder.
Calculate the work w when 5.3 litre of an ideal gas at an initial pressure of 9.3 atm is expanded or compressed isothermally to a final volume of 9.3 litres reversibly
The bonding in BF3 requires formation of hybrid orbitals on boron. If the molecule is oriented in the xy plane, what is the identity of the unfilled p orbital on boron.
Qualitative chemistry help separating 4 ions using chemicals found in a general chemistry lab (for ex. HCl, NaOH, HNO3, etc) Make a flowchart/procedure for how one would separate 4 of these ions 1 by 1.
You are designing a drier that must evaporate 200 lb/h of H2O from sludge by using air. Air at 70°F and 50% relative humidity is drawn into the drier and it leaves at 140F and 70% relative humidity. How much volume of dry air needs to be used for ..
Equilibrium system given: Fe3+(aq) + SCN- (aq) FeSCN2+(aq) 1. Equilibrium system Net ionic equation 2. Equilibrium system + 1M Fe(NO3)3 Net ionic equation What stress caused the equilibrium to shift and in which direction it shift
If 2.45 g of X reacts with 6.55 g of M to produce 11.25 g of a compound with the formula M2X3, and the atomic mass of M is 42.0 amu, what is the atomic mass of X
Show how you would synthesize ethyl 2-benzyl-3-phenylpropenoate from benzaldehyde, ethyl acetate and benzyl bromide
If it took 8.54 mL of .150 M lead (ii) nitrate what is the mass of chloride in the ointment? What is the mass of Chloromycetin? What is the percent chloromycetin in the solution?
Describe the roles played by Max Planck, Niels Bohr, Erwin Schrodinger, Paul Dirac, Albert Einstein and Werner Heisenberg in the development of atomic or quantum theory.
An aqueous solution is 35 % by mass methylamine (CH3NH2) and has a density of 0.85 g/cm3. What is the pH of the resulting solution if 50 mL of this solution is diluted
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