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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 05:10
How many miles of water are produced if 5.43 mol pbo2 are consumed
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Chemistry, 22.06.2019 14:30
Which of the following describes a situation where competition between producers exists
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at a temperature of a 10 C , 700 ml of hydrogen is collected if this gas is put into 1000 ml contain...
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