2 years ago

Particals in the nucleus of an atom are its _ and ____.

Chemistry

1 answer:

Illusion [34]2 years ago

6 0

That would be Protons and Neutrons.

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Determine the number of moles of C5H12 that are contained in 357.4 g of the compound.

AlladinOne [14]

Answer: 4.96 moles

Explanation:

C5H12 is the chemical formula for pentane, the fifth member of the alkane family.

Given that,

number of moles of C5H12 = ?

Mass in grams = 357.4 g

Molar mass of C5H12 = ?

To get the molar mass of C5H12, use the atomic mass of carbon = 12g; and Hydrogen = 1g

i.e C5H12 = (12 x 5) + (1 x 12)

= 60g + 12g

= 72g/mol

Now, apply the formula

Number of moles = Mass / molar mass

Number of moles = 357.4g / 72g/mol

= 4.96 moles

Thus, 4.96 moles of C5H12 that are contained in 357.4 g of the compound.

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When a balloon is rubbed with human hair, the balloon acquires an excess static charge. This implies that some materials

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Which of the following elements listed is the least metallic

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Where's the list? It depends on which one it is. It could be Chlorine, silicon, or anything on the non metals side of the periodic table if you don't list it.

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3 years ago

Linolenic acid has cis double bonds with the formula ch3ch2ch=chch2ch=chch2ch=ch(ch2)7cooh. write out the abbreviated systematic

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<span>Abbreviated systematic numbering for Linolenic Acid is,

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2 years ago

Particals in the nucleus of an atom are its _________ and ____________.

Particals in the nucleus of an atom are its _ and ____.