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Calculate the volume of 0.540 M sodium hydroxide solution contains 11.5 grams of sodium hydroxide?
Considering the given reaction Cr3+(aq)+ 3e- → Cr(s) Eo = -0.74 V, Hg2+(aq)+ 2e- → Hg(l) Eo = +0.789 V then calculate What is the standard cell potential of a Cr-Hg cell? Remember to switch ½ reactions to oxidation and to balance the number of electrons.
what is the value of equilibrium constant Kp if the total pressure is 11 atm?
Calculate the expected pH of 0.05 M HAc, 0.05 M Ac-, and 0.05 M HAc/0.05 M Ac- after the addition of 1 mL 1.0 M NaOH to each.
Show the mutarotation of beta-D-glucopyranose to the alpha-D-glucopyranose. Show the open chain intermediate.
A scuba diver with a lung capacity of 5.3L inhales a lungful of air at a depth of 47m and a pressure of 5.7atm.
The same organism can grow on a medium lacking all three amino acids. Explain these observation(Biochemistry expalanation and detailed)
What is the pH of a solution containing 0.24 moles of ammonia and 17.8g of ammonium chloride, NH4Cl. Kb for ammonia is 1.8 times 10, What is the PH of a 0.085M solution of ammoniun chloride. Kb for ammonia is 1.8 times 10
During the initial stages of method development, the researcher was unable to separate anthracene and naphthalene with baseline resolution. From the options below, select all possible modifications the researcher could make to improve the resoluti..
Define detection limit. Does a compound with high molar absorptivity have a higher or lower limit of detection than a compound with low molar absorptivity
Draw complete lewis structure of condensed structural formula. (CH3)3(3 is a subscript)CCOCHCH2
My balanced equation is: 3HBr(aq) + Al(OH)3 (s) ----> AlBr3 (aq) + 3H2O(l) My question is: What are the spectator ions
Select all of the correct statements about the relative acid strengths of pairs of acids from the choices below. HCl is a stronger acid than H2S because Cl is more electronegative than S.
A solution of ethanol (C2H5OH) in water is prepared by dissolving 69.8 mL of ethanol (density = 0.79 g/cm3) in enough water to make 250.0 mL of solution. What is the molarity of the ethanol in this solution?
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