Calculate the order in which the compounds will elute
Calculate the order in which the following compounds will elute from a chromatography column: acetophenone, 1,3-dichlorobenzene,4-aminobenzoic acid and benzoic acid.
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At 27degrees Celsius the rate at which crickets chirp is 2.0x10^2 per min but only the 39 chirps per min at 5 degrees Celsius. Determine the activation energy for the chirping process.
Average weight of the sport utility vehicle (SUV) can be estimated by W=5t2-60t+4700. How long will it take the $1000 investment to be worth $1500 if it is compound monthly at the annual rate 6%.
According to the chebyshev's theorem, the maximum proportion of data values from data set which are more than 1.5 standard deviations from the mean is?
How do you prove that the expected value of the binomial distribution is equal to np?
Write the tree digram for a coin that tossed three times then list each of the 8 member of the sample space and define a random variable as equal to: {(2 times numbers of tails) -(number of heads)} that you observed.
Discuss how much heat is released when the 15.0 L of CO at 85degrees Celsius and 112 kPa reacts with the 18.5 L of H2 at 75 degrees C and 744 torr?
Determine the frequency and the wavelength of the light emitted when an electron changes from n=4 to n=3 in the H atom. Explain in what region of the spectrum is this radiation found?
Explain how do you tell if the equilibrium concentration of H ions is small compared to the initial concentration of acid? Is there a certain number that is considered small?
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