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alekssr [168]
2 years ago
14

Science question down below

Chemistry
1 answer:
tankabanditka [31]2 years ago
3 0
The first solution or a I think is the correct answer
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Why does naphthalene have a higher melting point than biphenyl?
AlexFokin [52]

<span>Naphthalene has a higher melting point than biphenyl because naphthalene is a polar compound while biphenyl is a non-polar compound.</span> Studies show <span>that polar compounds have higher melting and boiling points than nonpolar compounds. It is because polar compounds have strong intermolecular forces.</span>

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How did electrons gain energy in order to jump to higher energy levels?
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Answer: An electron will jump to a higher energy level when excited by an external energy gain such as a large heat increase or the presence of an electrical field, or collision with another electron.

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2 years ago
Will mark brainliest, please help ASAP!
Anon25 [30]

V²+ = (B)

X³+ = (D)

Y³- = (C)

Z²- = (A)

When an element loses electrons, the element gains a positive charge

When an element gains electrons, the element gains a negative charge

NOTE: Electrons are negative charges

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Answer:

1 float

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Explanation:

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3 years ago
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Chemical equation of sodium carbonate on hydrochloric acid<br>​
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*☆*――*☆*――*☆*――*☆*――*☆*――*☆*――*☆*――*☆**☆*――*☆*――*☆*――*☆

Answer: Na2CO3 + 2 HCl → 2 NaCl + H2CO3

I hope this helped!

<!> Brainliest is appreciated! <!>

- Zack Slocum

*☆*――*☆*――*☆*――*☆*――*☆*――*☆*――*☆*――*☆**☆*――*☆*――*☆*――*☆

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