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wariber [46]
2 years ago
7

What does the shape of the moon we see depend on? (2 points)

Chemistry
1 answer:
Pachacha [2.7K]2 years ago
7 0

Answer:

The position of the moon during its orbit around Earth.

Explanation:

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An individual picks up a cup and drinks from it. This is an example of __________.
Lesechka [4]

Answer:

A

Explanation:

The correct answer is: A) "A concentric contraction because muscles cause the elbow joint and arm to move"

6 0
3 years ago
Read 2 more answers
Electrophilic addition of bromine, Br2, to alkenes yields a 1,2-dibromoalkane. The reaction proceeds through a cyclic intermedia
Taya2010 [7]

Answer:

See explanation and image attached for details

Explanation:

The reaction involves the heterolytic fission of the Br-Br bond in the bromine molecule to yield a bromine cation which attacks the but-1-ene to form a cyclic intermediate called the brominium ion. The bromine anion must now attack from the opposite face of the brominium ion due to steric clashes to form a product of a 1,2-dibromoalkane having the anti- stereochemistry.

5 0
3 years ago
Is combining water and powdered drink mix a chemical reaction?
VikaD [51]

Answer:

No, it's a physical reaction.

Explanation:

A chemical change produces new chemical compounds, but combining water and powder is just mixing the powder with the water. It's not a new compound.

I don't know how to really explain, sorry :)

3 0
2 years ago
What is the total number of sublevels in the fourth principal energy level
Yuki888 [10]
The answer is 4. It can hold 4 sublevels as s.p,d,f and it holds 32 electrons
8 0
3 years ago
When bridges are built, special joints must be used because the material of the bridge shrinks, and without these joints, the ma
marysya [2.9K]

Expansion

Explanation:

Expansion is the change is size of a body with increasing temperature and tension.

Bridges are built of iron. Iron thermally expands in the presence of increased temperature during the day. The length of the iron will increase by simple fractions. At night, when temperature drops, the bar returns back to its initial position.

  • The allowance for expansion of the metal is made in order to prevent tension within the structure.
  • Not doing this will cause the material to break since there is no free space for the bar to change shape.

Learn more:

Expansion in gases brainly.com/question/9979757

#learnwithBrainly

6 0
3 years ago
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