Chemistry, 10.02.2020 06:38 twalters88
9. The emission spectrum of cesium contains two lines whose frequencies are (a) 3.49
and (b) 6.53 x 10" Hz. What are the wavelengths and energies per photon of the two. What color are the lines?
Answers: 3
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The balanced chemical equation for this lab is: 3cucl2(aq) + 2al(s) 3cu(s) + 2alcl3(aq) if 10.5 g copper chloride react with 12.4 g aluminum, what is the limiting reactant?
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What happens to the atomic radius when an elctron is lost
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Why are people not able to skip a dive to the deepest part of the ocean
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Chemistry, 22.06.2019 20:00
Phosphoric acid is a triprotic acid ( =6.9Ă10â3 , =6.2Ă10â8 , and =4.8Ă10â13 ). to find the ph of a buffer composed of h2poâ4(aq) and hpo2â4(aq) , which p value should be used in the hendersonâhasselbalch equation? p k a1 = 2.16 p k a2 = 7.21 p k a3 = 12.32 calculate the ph of a buffer solution obtained by dissolving 18.0 18.0 g of kh2po4(s) kh 2 po 4 ( s ) and 33.0 33.0 g of na2hpo4(s) na 2 hpo 4 ( s ) in water and then diluting to 1.00 l.
Answers: 3
9. The emission spectrum of cesium contains two lines whose frequencies are (a) 3.49
and (b) 6...
and (b) 6...
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