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4 HNO3(aq) + Cu(s) => Cu(NO3)2(aq) + 2 H2O(l) + 2 NO2(g)
Considering which elements are being oxidized and reduced, determine how many moles of electrons are transferred between the elements being oxidized and reduced.
If the pH of a solution is more than the pKa of an acid dissolved in it, is more of the acid in the protonated form or deprotonaqted form
Alcohols generally require acid catalyst in order to undergo substitution by nucleophiles. The acid catalyst enhances the reaction by
What is the dissociation constant, Kd, of a ligand with a percent occupancy (or fractional saturation) of 50% when [ligand] = 10-7 M
What volume of concentrated nitric acid (16 M NHO3) will be needed to prepare 250 mL of 0.3 M HNO3
500.0ml of 3.00m hydrochloric acid reacts with 3.4 zg s. determine the limiting reactant and also calculate how much of
An airbag in?ates in less than 50 msec by the reaction of NaN3 to produce Na and nitrogen gas at 25 ?C. NaN3 → Na + N2 The volume of the airbag is about 30 liters, and it is ?lled to a pressure of 1.4 atm.
if 28ml of 6.2 m sulphuric acid was spilled determine what is the minimum mass of sodium bicarbonate or sodium hydrogen
The vapor pressure of ethanol at 34.7 degrees Celsius is 100mmgh, and the heat of vaporization of ehanol is 38.6 kj/ mol. What is the vapor pressure of ethanol in mm Hg at 65.0 degree celcius
How many molecules of sucrose (table sugar), C12H22O11, dissolved in 450.0 g of water are needed to make a 1.30 m solution?
A tank is being filled through a valve by an ideal gas where the following applies: H=30*T(K) in J/mol for gas, R=8.314 in J/mol/K, H=40 T(K) for the liquid in J/mol (gas as liquid, different reference point than gas)
a solution contains 10.0g of koh and 900.0ml of water. the volume of the solution is 904.7ml. what is the mass percent
Each of the following compounds exhibits a single 1H NMR peak. Approximately where would you expect each compound to absorb? a. cyclohexane b. acetone c. benzene d. glyoxal (ethandial) e. dichloromethane f. trimethylamine ((CH3)3N)
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