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Yuliya22 [10]
3 years ago
15

How does the study of cosmology relate to astronomy

Chemistry
1 answer:
slega [8]3 years ago
6 0
Cosmology is the study of the grand scale of the universe. You need astronomical observation because then there would be no proof to cosmological theory.
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A mixture of H2 and water vapor is present in a closed vessel at 20°C. The total pressure of the system is 755.0 mmHg.
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Fill in the blanks: when an atom absorbs energy, the electrons move from their _________________ state to an _________________ s
Lorico [155]
<span>Fill in the blanks: when an atom absorbs energy, the electrons move from their (ground) state to an (excited) state. when an atom emits energy, the electrons move from a(n) (excited) state to their (ground) state and give off (energy)</span>
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3 years ago
Which of the following would be produced when two or more different atoms bond chemically?
ExtremeBDS [4]

Answer:

When two or more atoms chemically bond with each other, the resultant chemical structure is a molecule. The familiar water molecule, H2O, consists of two hydrogen atoms and one oxygen atom; these bond together to form water,  irdk but it's either C or D

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7 0
3 years ago
What information is needed to determine the amount of moles in 1.6g of HCL?
alukav5142 [94]

Answer:

Molar mass and Mass

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8 0
3 years ago
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