Chemistry, 04.03.2020 03:27 losalobos46
We shine light of three different wavelengths—346 nm, 469 nm, and 624 nm—on a metal surface. The observations for each wavelength, labeled A, B, and C, are:. Observation A: No photoelectrons are observed. Observation B: Photoelectrons with a kinetic energy of 165 kJ/mol are observed Observation C: Photoelectrons with a kinetic energy of 53 kJ/mol are observed
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Which characteristic of water it form droplets? a. low specific heat b. nonpolar structure c. high surface tension d. ability to dissolve substances
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Consider the reaction: n2(g) + o2(g) ⇄ 2no(g) kc = 0.10 at 2000oc starting with initial concentrations of 0.040 mol/l of n2 and 0.040 mol/l of o2, calculate the equilibrium concentration of no in mol/l how would this be done?
Answers: 3
We shine light of three different wavelengths—346 nm, 469 nm, and 624 nm—on a metal surface. The obs...
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