3 years ago

What is a mutual attraction between the nuclei and electrons in two different atoms called?

Chemistry

2 answers:

Alika [10]3 years ago

7 0

The answer is A. chemical bond

Mrac [35]3 years ago

3 0

Answer: The correct option is A

Explanation:

Chemical bond is a bond present when there is mutual attraction between the nuclei and valence electrons of two different atoms to bind the atoms together.

A compound is a formed when two different elements combine together in a fixed ratio.

A cation is a positively charged ion.

An anion is a negatively charged ion.

Therefore, the correct option is A.

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A piston containing 0.120moles of methane gas, CH4, has a volume of 2.12liters. If methane is added until the volume is increase

earnstyle [38]

Answer:

2.83 g

Explanation:

At constant temperature and pressure, Using Avogadro's law

$\frac {V_1}{n_1}=\frac {V_2}{n_2}$

Given ,

V₁ = 2.12 L

V₂ = 3.12 L

n₁ = 0.120 moles

n₂ = ?

Using above equation as:

$\frac{2.12}{0.120}=\frac{3.12}{n_2}$

$2.12n_2=0.12\cdot \:3.12$

$2.12n_2=0.3744$

$n_2=\frac{0.3744}{2.12}$

$n_2=0.17660$

n₂ = 0.17660 moles

Molar mass of methane gas = 16.05 g/mol

So, Mass = Moles*Molar mass = 0.17660 * 16.05 g = 2.83 g

<u>2.83 g are in the piston.</u>

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