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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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Chemistry, 22.06.2019 00:00
1) this is the structure in the cell nucleus that houses a cell's genetic information
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Chemistry, 22.06.2019 18:00
How does climate change cause the ocean's thermohaline current to slow down?
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in calorimetry, energy is measured through heat transfer from one substance to another. Which of the...
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