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1. Suggest a suitable series of reactions for carrying out each of the following synthetic transformations:
When current is allowed to flow, which species is oxidized. What is the value of E0cell
a student prepared a buffer by adding 65 grams of sodium acetate and 50 mls of 6m acetic acid to beaker and then adding
Arrange the items on the food chain according to increasing mercury levels: microorganisms, people, small fish, and sharks.
Using the Cahn-Ingold-Prelog sequence rules, assign priorities to the groups around the chiral carbon in carvone. Draw the structural formulas for (+)-carvone and (-)-carvone with the molecules oriented in the correct position to show the R and S ..
what is the number of valence electrons for nh4+ and what is the lewis structure for that molecule. and how many remaining electrons are there and how do you find the formal charge.
A semipermeable membrane is placed between the following solutions. Which solution will decrease in volume. Solution A: 1.31% (m/v) starch Solution B: 7.48% (m/v) starch
Calculate the pH during the titration of 25.9 mL of 0.618 M ammonia NH3 with 0.205 M HCl after 11.5 mL of the acid have been added. Kb of ammonia = 1.8 x 10-5.
Explain which of the acids below will have the lowest pH in a 0.0010 M solution of the acid. Larger Ka values favor products and smaller Ka values favor reactants.
Two common substances that are used in the northern U.S. to melt snow and ice are sodium choride (rock salt) and calcium chloride. You have a bag of a substance sold as melting salt
At a certain temperature the equilibrium constant for the subsequent chemical equation is 3.30. At this temperature, compute the number of moles of NO2(g) that must be added to 2.86 mol of SO2(g) in order to form 1.30 mol of SO3(g) at equilibrium.
Calculate the pH of the following: (a) a solution made by combining 50.0mL of 0.15M acetic acid and 50.0 mL of 0.20M sodium acetate; (b) a solution made by combining 125 mL of 0.050M hydrofluoric acid with 50.0 mL of 0.10M sodium fluoride.
Assuming that seawater has a total ion concentration (a.k.a colligative molarity) of 1.10 Mc, calculate how many liters of seawater are needed to produce 15.4 L of fresh water at 20 °C with an applied pressure of 75.0 bar.
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