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Karolina [17]
3 years ago
8

Hi i would really appreciate it if someone pls helped me :)

Chemistry
1 answer:
g100num [7]3 years ago
6 0
Im not sure but I think it’s the second one
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Atoms in liquid do what
alina1380 [7]
They vibrate back and forth

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4 years ago
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What is the name for this molecule? 3-heptyne 3-heptene 3-hexyne 3-hexene
sweet-ann [11.9K]

The iupac name of the compound will be hex-3-yne or 3-hexyne. By marking number of carbon in the given compound, it was found that triple bond comes at third position and there are total 6 carbon in the compound. So it will have Hex as a prefix and as it contains triple bond so it will have yne as a suffix and as the triple bond is at third position, so it will be hex-3-yne or 3-hexyne.

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4 years ago
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Lewis dot structure of PSI3 with minimized formal charges
vredina [299]

We need to know how many valence electrons are present in a given molecule in order to determine its Lewis dot structure.

<h3>What is Lewis dot structure?</h3>

Lewis dot structure is defined as the visual representation of atoms' electrons using a diagram. It describe the bonds that exist between a molecule's lone pairs of electrons and its atoms.

A lone pair of electrons on the atom with the formal charge of 1- can typically be converted into a bonding pair that is shared with the atom that has the formal charge of 1+ in order to reduce the formal charges when they are present.

Thus, we need to know how many valence electrons are present in a given molecule in order to determine its Lewis dot structure.

To learn more about Lewis dot structure, refer to the link below:

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2 years ago
What does the law of conservation of energy state about energy in a closed system?
dezoksy [38]

Answer:

Energy cannot be created or destroyed.

Explanation:

According to the law of conservation of energy, energy can neither be created nor it can be destroyed. Energy can only be transformed from one matter to another. The conservation of energy remains constant in an isolated system. The law is applicable in the system that does not exchange energy in the environment. Energy changes its form but remains constant.

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3 years ago
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Magnesium bromide is an ionic compound with the chemical formula MgBr2, Magnesium is
denis23 [38]

Answer:

These are Magnesium bromide is MgBr2. “ionic compounds.” When atoms join together, they form either molecules or ionic compounds, depending on whether they are joined by covalent bonds or ionic bonds. ... When atoms join together by ionic bonds, they form “ionic compounds”.

Explanation:

Hope it helps u

FOLLOW MY ACCOUNT PLS PLS

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