Chemistry, 22.10.2019 10:00 ilovebeanieboos
Calculate the kinetic energy of the electrons when radiation of wavelength of 1.50 × 102 nm falls on a metal. the threshold wavelength of the metal is 2.00 4494_files/i011.jpg 102 nm. a. 6.20 ev c. 2.07 ev b. 8.26 ev d. 14.4 ev
Answers: 3
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Voltaic cells produce a positive overall charge. what does this indicate? a. the reaction is likely to be endothermic. b. the reaction is spontaneous. c. the reaction is not likely to occur. d. the reaction is not spontaneous.
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Calculate the kinetic energy of the electrons when radiation of wavelength of 1.50 × 102 nm falls on...
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