Chemistry, 27.01.2020 23:31 xxtonixwilsonxx
Ahydrogen atom in an excited state emits a photon of frequency ν = 3.084 x 1015 s-1. if the electron returns to the ground state, in which level was it before the photon was emitted?
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Figure 10-1 study figure 10-1. the strong nuclear force felt by a single proton in a large nucleus
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Identify and describe the three ways that mutations affect organisms.
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Chemistry, 22.06.2019 07:00
Which set of characteristics best describes igneous rock? a) largest type of rock, made of organic matter, hardest type of rock b) least abundant type of rock, made of other rocks, made mostly of minerals c) found on all continents, contains wavy bands of stripes, contains fossils d) most abundant type in earth's crust, made of magma/lava, contains no fossils
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Chemistry, 22.06.2019 09:00
Plz mark brainliest 30 points1) find the momentum of a 12 kg snowball that is rolling with a velocity of 9 m/s.2) an 8 ball with a mass of .5 kg is sitting at rest. it is hit by the cue ball (1 kg) traveling at 2.5 m/s. if the cue ball is at rest after the collision, how fast is the 8 ball traveling after the collision? 3) two football players are running toward each other. if the offensive player is 75 kg and is running 8 m/s, how fast must the 60 kg defensive player run in order for the two players to hit and stop?
Answers: 1
Ahydrogen atom in an excited state emits a photon of frequency ν = 3.084 x 1015 s-1. if the electron...
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