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Chemistry, 23.03.2020 20:25, emilianacassandra
If anyone could please help me i'd greatly appreciate it! I have tried over and over again and can not figure this out.
What is the percent ionization of H₂NNH₂ in a solution with a concentration of a 0.490 M? (Kb = 1.3 × 10⁻⁶)
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Answers: 2
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Chemistry, 21.06.2019 16:30, leilanimontes714
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)
Answers: 3
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