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jek_recluse [69]
2 years ago
14

Which components of a galaxy move in circular patterns or revolve around a star?

Chemistry
1 answer:
Novosadov [1.4K]2 years ago
8 0

Answer:

B

Explanation: hoped this helped!!!

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Identify whether this statement has kinetic or potential energy, both, or neither
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Answer:

Neither

Explanation:

Kinetic, or potential energy, is the average amount of molecules in a substance

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3 years ago
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Draw n-ethyl-3-methylpentanamide. draw your structural formula with all necessary hydrogen atoms.
Elena-2011 [213]
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3 0
3 years ago
Signs of a chemical change
dezoksy [38]

Answer: There are five signs of chemical change

  • Color Change
  • Production of an odor
  • Change of Temperature
  • Evolution of Gas (bubbles start to form)
  • Precipitate (starts to form a solid)

When these signs start to form you know chemical change is at work.

Hope this helps :)

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3 years ago
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How many moles of hydrogen are present in 5.30 moles of C5H10O2, propyl acetate, the compound that provides the odor and taste o
elena-s [515]

Answer:

Option D. 53 moles.

Explanation:

The following data were obtained from the question:

Number of mole of C5H10O2 = 5.3 moles

Number of mole of Hydrogen in 5.3 moles of C5H10O2 =?

From the chemical formula of propyl acetate, C5H10O2,

1 mole of C5H10O2 contains 10 moles of H.

Therefore, 5.3 moles of C5H10O2 will contain = 5.3 × 10 = 53 moles of H.

Thus, 5.3 moles of C5H10O2 contains 53 moles of H.

5 0
2 years ago
What is the competition and what are the types of symbiosis?
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Symbiosis describes close<span> interactions between two or more different species. There are four main types of symbiotic relationships: mutualism, commensalism, parasitism and competition.</span>
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