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when a substance is being reduced, what type of current is produced?
What is standard potential?
What is reduction potential for AgCl?
Please answer all three questions, I will just post one question out of three. THanks a lot.
Water and toluene are very good recrystallization solvents. Why is it not useful to use these solvents for a ‘quick' recrystallization?
A gas occupies 4.71 liters at 62°C and 795 torr. What volume will it occupy if it is cooled to 17°C and compressed to 911 torr?
What solution will have the lowest boiling point?? 0.075 M CaCl2 0.020 M Na3PO4 0.050 M KNO3 0.025 M NH4NO3 0.10 M C6H12C6
draw the complete structure of lysine, including the site of ionization, in: strongly acidic solution, neutral solution, strongly basic solution.
Show that there are 1.0 X 10^22 (10 to the 22nd power) carbon atoms in a 1-carat pure diamond that has a mass of 0.20 g.
if a 210 mg piece of gold (density=19.32 b/cm^3) is hammered into a sheep measuring 2.3*10 ft. what is the average thickness of the sheet in meters?
A strip of electrolytically pure copper weighing 3.178 gram is strongly heated in a stream of oxygen until it is all converted to a black oxide. The resultant black powder weighs 3.978 g. What is the formula of the oxide?
A 1.80-L flask is filled with propane gas (C3H8), at 1.00 atm and -19.4°C. What is the mass of the propane in the flask.
Radioactive nitrogen-13 has a half-life of 10 minutes. After 40 minutes, how much of this isotope would remain in a sample that originally contained 96 mg?
A jogger runs at an average speed of 5.9 mi/h. a. How fast is she running in m/s? b. How many kilometers does she run in 98 min?
Calculate the molarity of a solution made by dissolving 0.0715 mol Na2SO4 in enough water to form 550 mL of solution.
What is the pH of a solution prepared by mixing 25.00 mL of a 0.10 M solution of the weak acid CH3CO2H with 25.00 mL of 0.040 M sodium acetate, CH3CO2Na? Assume that the volume of the solutions are additive and that Ka = 1.8 ?* 10-5 for CH3CO2H.
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