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An electron is accelerated through an electric potential to a kinetic energy of 18.6 keV What is its characteristic wavelength?
Which set of atoms is correctly arranged in order of increasing electronegativity (lowest electronegative atom listed first)
Ignoring any side reactions and assuming the reaction occurs completely, how large (in kg) an oxygen candle (KClO3) would be needed to supply 8 people with enough oxygen for 24 hours on a small submarine
for a hydrogen atom with its electron in the 3pz orbital what is the longest wavelength of light that can ionize the
calculate the molarity of acetic acid in a viegar sample knowing that 5.00 ml of vinegar requires 43.50 ml of 0.105 m
You are planning to use the technique of recrystallization to purify A and realize that you will first need to determine which solvent or solvent pair would be appropriate. Describe the solubility properties of the solvent that you would want to u..
When the atmospheric pressure is 1050 , what is the absolute pressure (in ) in the tank if the height of the mercury in the open tube is 25.0 higher than the mercury in the tube connected to the tank
Draw a circuit diagram that subtracts two inputs signals and then amplifies the subtracted signal
what is the formal charge on the sulfur atom in the resonancestructure of so2nbspthat has one single bond and one
A 0.50 sample of vegetable oil is placed in a calorimeter. When the sample is burned, 18.9 are given off. what is the caloric value of the oil
The DSC thermogram showed an inflection in both the heating along with cooling parts of the cycle which were mirror images of each other. Are there any phase transitions practical and if so what order are they
Is second order (in A) with rate constant 0.0006 L mol-1 s-1. At infinite time [A] = 0. How long will it take a solution with [A] = 79.2 M to decompose such that [A] = 17.2 M? Give your answer in seconds.
nitrite is a common food preservative. it can be detected by titrating a nitrite-containing sample with a solution of
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