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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)
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Chemistry, 22.06.2019 04:50, psychocatgirl1
Write the overall equation for the reaction for lithium battery
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Chemistry, 22.06.2019 09:00, stelllllllllllllllla
George is a dalmatian puppy. describe what happens to light that allows you to see georgeās black and white coat.
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What is meant by the half-life of a radioactive substance...
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