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A streetlight gives off yellow light that has a wavelength of 621 nm. What is the frequency of the light?
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18. use the activity series to predict whether the following synthesis reaction will occur. write the chemical equations for the reaction if it's predicted to occur. (s) + o2(g) -> *note: it is possible.*
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One does not belong why? ice, gold ,wood ,diamond and table salt
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A streetlight gives off yellow light that has a wavelength of 621 nm. What is the frequency of the l...
Social Studies, 03.01.2020 02:31