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A solution is prepared by dissolving 0.16mol of acetic acid and 0.16mol of ammonium chloride in enough water to make 1.0 L of solution.
Calculate the energy of a photon emitted when an electron in a hydrogen atom undergoes a transition
Which plot would not have a slope from which the indicated quantity for the reaction A ? Product(s) could be determined
Activity of a cation (M+) is 0.0487 mol/liter. Calculate the concentration of the cation if y=0.84. Show work.
When o-phthalaldehyde (1-2-benzenedicarbaldehyde) is treated with KOH, and the reaction mixture is acidified, a single neutral product, isomeric with the starting material
The equilibrium molar concentration of the FeNCS^2+ determined from a calibration curve, is 1.5 x 10^-4 mol/L. Calculate, in sequence each of the following quantities in the aqueous solution to determine the equilibrium constant for the reaction.
In the information of smog, nitrogen and oxygen gas react to form nitrogen dioxide. How many grams of NO2 will be produced when 2.0 L of nitrogen at 840 mmHg and 24 degrees C are completely reacted
A products, the general rate law is: rate = k[A]2. How long is the third half-life of the reaction if [A]0 is 0.080 M and the first half-life is 22 minutes?
What is the pH of a 0.1 M solution of ethylamine, given that the pKa of ethylammonium ion
Assume that fructose is a molecular solid and does not ionize when it dissolves in water.
Zn(s) + 2AgNO3(aq) --> 2Ag(s) + Zn(NO3)2(aq) When 216 g of silver was produced, determine the mole(s) of silver nitrate would be required.
A mercury nanometer contains 2 g of Ar. A burner heats it to P-ext. at 760 torr. What is the Temperature of the gas in the bulb when the total volume is 3 L and H=76mm?
Draw a band diagram for thermal/photo (Intrinsic) and doped (Extrinsic) semiconductors and explain the origin of semiconductivity.
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