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Which of these characteristics is necessary to achieve a line spectra for any given element. Which of these characteristics is necessary to achieve a line spectra for any given element. Applied high voltage Light passed through a prism Excited gaseous element in a pressurized tube All of the above
If a first-order reaction has a rate constant of 2.11x 10-1s-1 at a temperature of 22.3°C, what would the value of k be if the reaction temperature was changed to 65.7°C given
A water sample is suspected to be contaminated by iron (III) ions. How could you determine if the sample is really contaminated
"Besides the traditional colorimetric acid/base indicators, there is another class that doesn't use color, the olfactory acid-base indicators! These compounds smell or don't smell based on their pH
What types of intermolecular forces would you expect to exist among molecules of 1-butanol? (Select all that apply.)
The first ionization energy of bismuth is Ei1 = +703 . What is the longest possible wavelength of light that could ionize an atom of bismuth?
A gas mixture, with a total pressure of 300. torr, consists of equal masses of Ne (atomic weight 20.) and Ar (atomic weight 40.). What is the partial pressure of Ar, in torr
Benzene freezes at 5.5 degrees celcius and the resulting solution freezes at 2.13 degrees celcius. What is the freezing point depression constant of benzene?
Find the neergy of a photon of ultraviolet light whose frequency is 2 x 10^16 Hz. Do the same for the photon of radio waves
How do you find the ratio of the cis and trans isomers from the H NMR spectrum?
The relative sweetness of sucralose is 60000. The relative sweetness of sugar is 100. How many grams of sucralose would you need for a solution that has the same sweetness as one made with 2.00g of sugar
What is the pKa value of the proton alpha to the phenyl group, and what is the pka value of the proton attached to the carbonyl carbon?
Calculate the mole fraction of ethylene glycol in the solution.
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