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nalin [4]
2 years ago
9

How many moles of a gas are present in a volume of 5.00l at 1.00atm and 298.15k?

Chemistry
1 answer:
belka [17]2 years ago
4 0
The answer is 29.996 g/mol
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Choose the correct statement regarding the relative size of atoms:
Sonbull [250]

Answer:

The atoms on left side are larger than the atoms on the right side of the periodic table because those on the right have more proton's.

Explanation:

As we travel along a period in a periodic table then the atomic radii decreases

This is because as we travel along a period we have that the atomic number of the atoms increases which means the the number of proton's increased

But the electron's add to the same outer shell throughout the period , which means the effective nuclear charge increases which pulls the outer electrons toward's the nucleus and the size decreases.

Therefore the atoms on left side are larger than the atoms on the right side of the periodic table because those on the right have more proton's.

6 0
3 years ago
Why do you think the atomic number is basically represented by the number of protons and not the number of electrons?
Naya [18.7K]

Answer:

The atomic number equals the charge on the nucleus. It therefore also equals the number of protons in the nucleus and also equals numerically the number of electrons in the neutral atom. i think so, hope this helps you

Explanation:

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3 years ago
If the internal energy of a system increases but there is no change in temperature, then the system's energy is increasing.
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kintic

Explanation:

4 0
3 years ago
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Which of the following is the ultimate byproduct of weathering?
NikAS [45]
Soil
the answer is soil

6 0
2 years ago
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Which of the following additions to alkenes occur(s) specifically in an syn fashion?
BlackZzzverrR [31]

Answer:

E) A, B, and C

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Hydrogenation, hydroboration and dihydroxylation all involve syn addition to the double bond, hence the answer chosen above.

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