1. Which of the following describes what a photon is? *
9 points
Energy released in the form...
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1. Which of the following describes what a photon is? *
9 points
Energy released in the form of visible light when an electron drops from excited state
to ground state
When an electron moves to a higher energy level
Energy needed to move an electron from ground state to excited state
An electron in its normal orbit
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Chemistry, 22.06.2019 19:20, johnkings140
For a research project, a student decided to test the effect of the lead(ii) ion (pb2+) on the ability of salmon eggs to hatch. this ion was obtainable from the water‐soluble salt, lead(ii) nitrate, which the student decided to make by the following reaction. pbo(s) + 2 hno3(aq) → pb(no3)2(aq) + h2o losses of product for various reasons were expected, and a yield of 86.0% was expected. in order to have 5.00 g of product at this yield, how many grams of pbo should be reacted? (assume that sufficient nitric acid, hno3, would be used.)
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