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Masteriza [31]
3 years ago
11

What is a ball and socket joint?​

Chemistry
1 answer:
Paraphin [41]3 years ago
4 0

Answer:

spheroidal joint

Explanation:

Ball-and-socket joint, also called spheroidal joint, in vertebrate anatomy, a joint in which the rounded surface of a bone moves within a depression on another bone, allowing greater freedom of movement than any other kind of joint.

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How many moles of 0.225 M CaOH2 are present in 0.350 L of solution?
weeeeeb [17]

Answer : The number of moles of solute Ca(OH)_2 is, 0.0788 moles.

Explanation : Given,

Molarity = 0.225 M

Volume of solution = 0.350 L

Formula used:

\text{Molarity}=\frac{\text{Moles of }Ca(OH)_2}{\text{Volume of solution (in L)}}

Now put all the given values in this formula, we get:

0.225M=\frac{\text{Moles of }Ca(OH)_2}{0.350L}

\text{Moles of }Ca(OH)_2=0.0788mol

Therefore, the number of moles of solute Ca(OH)_2 is, 0.0788 moles.

7 0
3 years ago
How does the density of protostars compare to other stars?
lorasvet [3.4K]

Protostars are less dense than other stars.  

Explanation:

Protostars are very young ‘stars’ made from hydrogen clouds that are beginning to coalesce and collapse under their weight. The hydrogen has not even begun fusing. Therefore, they are mainly made of hydrogen which is the lightest element in the universe.

Stars, however, have begun fusing hydrogen to other heavier elements like helium, carbon, oxygen, and iron. The elements are much heavier than hydrogen making other stars much denser than protostars.

Learn More:

For more on protostars vs stars check out;

brainly.com/question/3719157

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#LearnWithBrainly

5 0
3 years ago
Structural formula for:<br>5 - methyl hept - 3 - enal​
leonid [27]

Answer:

draw the carbon chain is containing 6 carbon then attach the aldehyde group with edge carbon in chain then put the put double bond at 3 no. carbon

6 0
3 years ago
What is the result of multiplying (2.5 × 1010) × (2.0 × 10-7)?
Travka [436]
That would be A.

2.5*2*10^(10-7)=5*10^3
7 0
4 years ago
Read 2 more answers
Why do noble gases have the least amount of electronegativity?
sattari [20]
<span>Their orbitals are completely filled</span>
4 0
3 years ago
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