Chemistry, 23.03.2021 08:50 vegeta8375
The laser in an audio compact disc player uses light with a wavelength of 7.80x10e+2 nm. What is the frequency of this light (in Hz)? What is the energy of a single photon of this light?
Answers: 3
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Needthe meter is the standard unit for: 1) height 2) length 3) weight 4) mass
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Chemistry, 22.06.2019 02:40
How many liters of hydrogen gas will be produced at stp from the reaction of 7.179×10^23 atoms of magnesium with 54.219g of phosphoric acid (h3po4) the equation is 3mg + 2h3(> mg(po4)2+3h2
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Chemistry, 22.06.2019 04:00
Which of the following ocean acidification? are the most likely side effects of a ph less than 7.0 in the ocean b. more metal salts altering the ocean chemistry c. dissolution of the shells of marine organisms d. both a & b e. all of the above.
Answers: 3
The laser in an audio compact disc player uses light with a wavelength of 7.80x10e+2 nm. What is the...
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