The number of moles of aluminum oxide. Urgent Please.
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Chemistry, 20.06.2019 18:04
Idon't understand what to put on the left lines i'm confused can anyone ?
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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, 21.06.2019 21:30
Balance this equation co2(g) + h2o (g) show that the balanced equation obeys the law if conversation of mass
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Chemistry, 22.06.2019 08:30
Which of the following would have less momentum than a 52 kg cheetah running at 10 m/s?
Answers: 2
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