Chemistry, 26.11.2020 08:40 lovelarissa
The hydrogen-line emission spectrum includes a line at a wavelength of 434 nm. What is the energy of this radiation? (h= 6.626 x 10 ⁻³⁴ J * s
)
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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)
Answers: 3
Chemistry, 22.06.2019 19:30
If 16.00g of hydrogen gas reacts with 126.73g of oxygen, how many grams of water are yielded? (both reactants are completely consumed in the reaction.)
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Chemistry, 22.06.2019 22:30
What if it is did darwin used to support his theory of evolution
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The hydrogen-line emission spectrum includes a line at a wavelength of 434 nm. What is the energy of...
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