A light year is?
a. a stars magnitude compared to the sun
b. a measure of speed
c. th...
Chemistry, 27.04.2021 15:50 animexcartoons209
A light year is?
a. a stars magnitude compared to the sun
b. a measure of speed
c. the distance light travels in a year
d. the distance from earth to the sun
Answers: 2
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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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The rate constant for the reaction below is 6.2 x 10−5 mol l−1 s −1. if the initial concentration of a is 0.0500 m, what is its concentration after 115 s?
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