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Chemistry, 22.06.2019 09:00
If you chip a tooth, most likely you will go to the dentist to have the missing material filled in. currently the material used to fill in teeth is a polymer that is flexible when put in, yet is hardened to the strength of a tooth after irradiation with blue light at a wavelength of 461 nm. what is the energy in joules for a photon of light at this wavelength?
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Chemistry, 22.06.2019 09:20
What happened to the amount of carbon dioxide in the atmosphere from 2010–2017?
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Chemistry, 23.06.2019 01:30
Ariver current has a velocity of 5km/h relative to the shore, and a boat moves in the same direction as the current at 5 km/h relative to the river. how can the velocity of the boat relative to the shore be calculated?
Answers: 1
Chemistry, 23.06.2019 07:00
Which of the following statements is true? an atom consists of protons, electrons, and neutrons.an atom consists of protons and neutrons.an atom consists of electrons bonded to one another.an atom consists of protons bonded to one another.
Answers: 1
A tall glass with height of 0.4 m is filled with water to a depth of 0.3 m. What is the gauge pressu...
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