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Given that O2 is parmagnetic and has a bond order of 2, and its highest occupied molecular orbital is antibonding, what would be the expected bond orders for O2 2- and O2 2+?
A) 1 for O2 2- and 3 for O2 2+
B) 3/2 for O2 2- and 5/2 for O2 2+
C) 5/2 for O2 2- and 3/2 for O2 2+
D) 3 for O2 2- and 1 for O2 2+
A solution has an H3O1+ concentration of 1.7 10-2 M. What is the hydroxide ion concentration?
At 9.°C and 1.40 atm pressure, a sample of helium gas occupies a volume of 5.10 L. The sample is compressed and heated to 60.°C. Calculate the final pressure of the sample, if the final volume is 3.64 L.
Draw the major organic product from reaction of 1-butyne with NaNH2, then CH3Br. If no reaction occurs, write ethane, CH3CH3.
Would you expect to recover 100% of the desired compound from an impure sample using solution recrystallization?
The Reaction 2NOCl(g)---->2NO+CL2(g) has rate-constant values for the reaction of NOCl of 9.3x10^-6/s at 350K and 6.9x10^-4/s at 400K. Calculate activation energy for the reaction. What is the rate constant at 435K?
Select the IR frequency and number of NMR signals that is diagnostic for either isomer a or isomer b. Isomer A: cyclopentanecarboxamide Isomer B: 6-hydroxyhexanenitrile
What is the FORMULA for the limiting reagent? c.What amount of the excess reagent remains after the reaction is complete? IN GRAMS
calculate the moles of silver bromide and magnesium nitrate produced by 85 mol of magnesium bromide reacting with silver nitrate.
How many grams of ammonium sulfate can be produced in 30 mol of H2SO4 react with excess NH3 according to the equation 2NH3(aq)+H2SO4(aq)-->(NH4)2SO4(aq)?
a 75.0 mL sample of potassium hydroxide, KOH, of unknown concentration is titrated with 42.5 mL of 0.575 M acetic acid. How many moles of KOH were in the sample?
A 55.0-L steel tank at 20.0°C contains acetylene gas, C2H2, at a pressure of 1.39 atm. Assuming ideal behavior, how many grams of acetylene are in the tank?
what is the theorectical yield of disulfure chloride? what mass of the excess reactant reamains when the reaction is completed?
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