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Question: Photoionization of a diatomic molecule produces a singly charged cation. For the molecules NO, calculate the bond order of the neutral molecule and the lowest energy cation.
An electron can freely move inside a 500pm x 500pm square box. Find the five lowest energy levels for this electron. Which of them are degenerate?
In an automobile engine, at the end of the upstroke the piston is at its maximum height in a cylinder of exact dimensions. At this time, a precisely measured mixture of fuel and oxidant ignites to form gaseous products.
A 325 mL sample of gas is initially at a pressure of 721 torr and a temperature of 32°C. If this gas is compressed to a volume of 286 mL and the pressure increases to 901 torr, what will be the new temperature of the gas (reported to three signifi..
Fractional distillation was applied to separate a mixture of water and methanol. The same method was also applied to separate a mixture of carbon tetrachloride and toluene, using the same fractionating apparatus
Coal = 3.9% sulphur power plant while producing electricity turns coal into sulphur dioxide gas calcium oxide is used to react with sulphur dioxide and forms solid calcium sulfite coal
Alkenes and non conjugated dienes usually have absorption maxima below 200nm. Compounds that have conjugated multiple bonds have maxima at wavelengths longer than 200nm.
Potassium hydroxide is used to precipitate each of the cations from their respective solution. Determine the minimum concentration of KOH required for precipitation to begin in each case.
Identify the set of stoichiometric coefficients that balance the reaction equation for the combustion of octane. C8H18+O2--->CO2+H2O
a sample of 40.0 ml of .1 m acetic acid is titrated with .150 m naoh ka 1.8 x 10-5 what volume of naoh is used in the
Calculate the mass of vapour present in a room of volume 250 meter cube that contains air at a temperature of 23 degree centigrade on a day when the relative humidity is 53%.
Give five very important precautions to be taken into consideration while preparing an alcohol using Grignard reaction, explain each one
How much heat is required to raise the temperature of 42.5 g of water from its melting point to its boiling point? Express your answer numerically in kilojoules.
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