Chemistry, 25.01.2020 01:31 plexusgirl84
Which step would a student find the molecular formula of a compound from the empirical formula?
multiply the ratio of the actual mass of the compound to the empirical formula mass by the subscripts of the empirical formula.
subtract the ratio of the actual mass of the compound to the empirical formula mass from the subscripts of the empirical formula.
divide the ratio of the actual mass of the compound to the empirical formula mass by the subscripts of the empirical formula.
add the ratio of the actual mass of the compound to the empirical formula mass to the subscripts of the empiric
Answers: 2
Chemistry, 21.06.2019 16:30
Asample of silver (with work function ? = 4.52 ev) is exposed to an ultraviolet light source (? = 200 nm), which results in the ejection of photoelectrons. what changes will be observed if: silver is replaced with copper (? = 5.10 ev) more photoelectrons ejected no photoelectrons are emitted fewer photoelectrons ejected more energetic photoelectrons (on average) less energetic photoelectrons (on average)
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Asample of freon gas has a volume of 2.23 liters, a pressure of 4.85 kpa, and a temperature of -1.36°c. calculate the volume at a pressure of 1.38 kpa and a temperature of 5.5°c. (show work)
Answers: 1
Which step would a student find the molecular formula of a compound from the empirical formula?
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