Platinum, which s widely used as a catalyst, has a work function ф (the minimum ene needed to eject an electron from the metal surface) of 9.05 x 1019 j. what is the longe wavelength of light which will cause electrons to be emitted? a) 2.196 x 107 m b) 4.553 x 10-6 m c) 5.654 x 10 m ans: a d) e) 1.370 x 1015 m > 10 nm
Answers: 3
Chemistry, 22.06.2019 07:30
Identify two types of chemical bonding in the source of dietary potassium
Answers: 3
Chemistry, 22.06.2019 10:30
Astudent reacts 13 moles of iron with 21 moles of oxygen according to the following equation:
Answers: 2
Chemistry, 22.06.2019 12:00
A5.000 g sample of niso4 h2o decomposed to give 2.755 g of anhydrous niso4. what is the formula of the hydrate? what is the full chemical name for the hydrate? what is the molar mass of the hydrate? niso4•_h2o what is the mass % of water in the hydrate?
Answers: 1
Platinum, which s widely used as a catalyst, has a work function ф (the minimum ene needed to eject...
Geography, 05.03.2021 19:30
Mathematics, 05.03.2021 19:30
Health, 05.03.2021 19:30
Mathematics, 05.03.2021 19:30
Biology, 05.03.2021 19:30
Social Studies, 05.03.2021 19:30
Mathematics, 05.03.2021 19:30
Mathematics, 05.03.2021 19:30
Mathematics, 05.03.2021 19:30
Mathematics, 05.03.2021 19:30