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1. For which energetic degrees of freedom are the energy-level spacings small relative to kT at room temperature?
2. What is the high-T approximation for rotations and vibrations? For which of these two degrees of freedom do you expect this approximation to be genrally valid at room temperature?
Determine the molar mass of the substance if 120.0 grams of a pure sample contained 24.0 mol of the substance. Express your answer in g/mol.?
KEtones also undergo the aldo condensation, although a succesful reaction often requires "enhanced" conditions, since the addition involves an unfavorable equilibrium constant.
Nitrogen dioxide decomposes according to the reaction given below where Kp = 4.48 10-13 at a certain temperature. 2 NO2(g) 2 NO(g) + O2(g) A pressure of 0.23 atm of NO2 is introduced into a container
Determining mechanism of a reaction, 2,3-Dimethyl-2,3-butanediol (pinacol), upon heating in aqueous acid, rearranges to form 3,3-dimethyl-2-butanone (pinacolone)
For each element listed below, determine the charge of the ion that is most likely to be formed and the identity of the noble gas whose electron configuration is acheived.
how much energy would be required to raise the temperature of 75.0 g of water from 25 c to 75 c
You are given the chemical reaction (unbalanced equation): AsF3 + C2Cl6 AsCl3 + C2Cl2F4, if 1.3618 mol of AsF3 are allowed to react with 1.000 mol of C2Cl6, what would be the theoretical yield of C2Cl2F4, in grams?
where n increases from zero to fourteen over the series from Lanthanum to Lutetium Select the two ions that have 5 unpaired spins. which 2 would have it?
when 7.50 g of magnesium reacts with 9.50 g hydrochloric acid, hydrogen gas is formed. what is the limiting reagent?
if 2000 l of hard water contains 0.022 m ca2+ and 0.0070 m mg2+, how many moles of na+ are needed to replace these ions?
When 24 copper pennies are submerged in water, the pennies displace 8.26 cm3 of water. If the combined mass of the pennies is 73.86 g, what is the density of copper?
A solution is .855% HNO3 by mass. Density of the solution is 1.01 g/mL. Find [H+], [OH-], and pH.
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