Which measurement of a star depends on the distance of the star from earth?
A. luminosity
B....
Chemistry, 20.10.2021 09:30 kimberlyblanco14
Which measurement of a star depends on the distance of the star from earth?
A. luminosity
B. apparent magnitude
C. absolute magnitude
D. surface temperature
Answers: 2
Chemistry, 22.06.2019 21:30
Isopropyl alcohol, (ch3)2choh, is a common solvent. determine the percent by mass of hydrogen in isopropyl alcohol. a) 6.71% h b) 13.4% h c) 25.0% h d) 53.3% h
Answers: 1
Chemistry, 23.06.2019 00:00
2-bromo-2-methylbutane undergoes an e1 elimination reaction in the presence of ethanol. in the next reaction only one of the possible products is represented. although the product shown is not the major product of the reaction, notice that there is more than one way it can be produced. complete the mechanism and draw the missing substances.
Answers: 1
Chemistry, 23.06.2019 05:50
What are the coefficients to balance the following equation? ba+br=babr2
Answers: 1
Chemistry, 23.06.2019 09:20
Four statements about the development of the atomic model are shown below. a: electrons have wavelike properties. b: atoms have small, negatively charged particles. c. the center of an atom is a small, dense nucleus. d: atoms are hard, indivisible spheres. which order of statements represents the historical development of the atomic model? c-d-a-b c-d-b-a dā Š²-Š° ā Ń d-b-c-a
Answers: 1
Mathematics, 24.02.2020 22:29
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Chemistry, 24.02.2020 22:30