Chemistry, 29.08.2019 21:30 jc95704816
Calculate the change in energy of an atom that emits a photon of wavelength 2.21 meters. (planck’s constant is 6.626 x 10-34 joule seconds, the speed of light is 2.998 x 108 m/s)
8.9886 x10-26 joules
4.8844 x 10-42 joules second
1.9864 x 10-25 joules
1.4643 x 10-33 joules /second
Answers: 1
Chemistry, 22.06.2019 09:00
George is a dalmatian puppy. describe what happens to light that allows you to see george’s black and white coat.
Answers: 1
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 15:30
Why does earth rotate? because earth is formed from cold gases collapsing due to gravity because the matter in the nebula that formed earth was spinning because earth forms more than 99% of the mass of the solar system because the hydrogen atoms inside the nebula fused to form helium
Answers: 1
Calculate the change in energy of an atom that emits a photon of wavelength 2.21 meters. (planck’s c...
Social Studies, 03.01.2020 04:31
Chemistry, 03.01.2020 04:31
English, 03.01.2020 04:31
Mathematics, 03.01.2020 04:31
Mathematics, 03.01.2020 04:31
Mathematics, 03.01.2020 04:31
Mathematics, 03.01.2020 04:31
English, 03.01.2020 04:31
History, 03.01.2020 04:31