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Chemistry, 22.06.2019 08:00
An electron moved from shell n = 2 to shell n = 1. what most likely happened during the transition? a fraction of a photon was added. a photon of energy was absorbed. a fraction of a photon was removed. a photon of energy was released.
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Chemistry, 22.06.2019 15:30
Which statement names the physical property of wood a. wood is softer than coal b. wood does not rust c. wood can rot d. wood can burn
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Chemistry, 22.06.2019 16:00
About 3% of the water on earth is freshest. only about 40% of that freshwater is available for human use. why is so much freshwater unavailable for human use?
Answers: 2
Chemistry, 22.06.2019 16:50
What is conserved in the reaction shown below? h2(g) + cl2 (g) --> 2hcl(g)a. mass onlyb. mass and moles onlyc. mass, moles, and molecules onlyd. mass, moles, molecules, and volume
Answers: 2
What is the mass of 4.23 × 1024 molecules of oxygen?...
Mathematics, 30.06.2019 00:30
Mathematics, 30.06.2019 00:30
Mathematics, 30.06.2019 00:30
Mathematics, 30.06.2019 00:30
Mathematics, 30.06.2019 00:30
Mathematics, 30.06.2019 00:30
Mathematics, 30.06.2019 00:30
Mathematics, 30.06.2019 00:30
Mathematics, 30.06.2019 00:30
History, 30.06.2019 00:30
Mathematics, 30.06.2019 00:30
Mathematics, 30.06.2019 00:30