Physics, 10.10.2019 09:01 alexdonatalex1314
Hat is the approximate pressure of air at sea level?
a.0 kpa
b.1000 kpa
c.101 kpa
d.10 kpa
Answers: 1
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Exercise 2. find the wavelength of a photon emitted when an electron jumps from the n = 3 energy level down to the n = 2 energy level. where is this photon in the electromagnetic spectrum?
Answers: 3
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When solid surfaces slide over each other the kind of friction that occurs is called friction
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The smallest particle of an element that retains its identity in a chemical reaction. true or false
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Two models of the same compound are shown. in what way is model b better than model a? model b shows the types of elements in the compound, but model a does not. model b shows the three-dimensional shape of the molecule, but model a does not. model b shows how the atoms in the molecule are connected, but model a does not. model b shows the number of atoms of each element in the molecule, but model a does not
Answers: 1
Hat is the approximate pressure of air at sea level?
a.0 kpa
b.1000 kpa
c.1...
a.0 kpa
b.1000 kpa
c.1...
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