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Chemistry, 21.06.2019 23:00
When determining the shape of a molecule, it is important to draw a lewis dot structure first in order to see the total number a. electrons within the moleculeb. bonding and unshared pairs around central atomc. unshared pair within the molecule( i really need it )
Answers: 1
Chemistry, 22.06.2019 07:00
This image is an example of a(n) a) atom. b) compound. c) mixture. d) molecule.
Answers: 1
Chemistry, 22.06.2019 07:50
In which situation can a mixture always be called a solution
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Chemistry, 22.06.2019 09:00
Look at the spectrums of a star moving towards earth and a motionless star. which of these is a correct inference that can be draw from the observation of the two spectrums? (2 points) the spectrum of a motionless star is difficult to be viewed separately using oridinary telescopes. the spectrum of a motionless star is identical to the spectrum of a star which moves towards earth. the spectrum of a star shifts towards the red region when the star moves towards earth. the spectrum of a star shifts towards the blue region when the star moves towards earth.
Answers: 2
The molar mass of CaO is 56.08 grams / mole. How many formula units are present in 1.50 moles of
Ca...
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