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3 years ago

How are convalent molecules named?

2 answers:

6 0

Covalent compounds are named by using numerical prefixes to identify the number of atoms in the molecule. E.g. Mono, Di, tri, tetra, etc.

In the naming, never use mono- for the first element.

The first element keeps its name.

The second element always end in the suffix -ide.

Drop the double vowel for the prefix and the element of the second element in the compound.

Hope this helped!

atroni [7]3 years ago

4 0

Answer: convalent compounds share two elements in forming a BOND between atoms

Explanation: if you dont believe me look it up and google will give you the same answer

please give brainliest

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An atom is most stable when it has eight electrons in its outermost energy level.

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An atom is most stable when it has eight electrons in its outermost energy level.

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3 years ago

A 10-liter container has 2 moles of oxygen at a pressure of 92 kpa. The effective speed (rms) of the oxygen molecules in the gas

bezimeni [28]

The effective speed (rms) of the oxygen gas is 293.68 m/s.

<h3></h3><h3>What is Root-mean-square velocity?</h3>

Root mean square velocity is the square root of the mean of squares of the velocity of individual gas molecules

$v_{rms}=\sqrt[]{\frac{3RT}{M} }$

<em>where </em>R = universal gas constant

M = molar mass of the gas in kg/mol

T = temperature in Kelvin

According to the ideal gas law,

PV = nRT

RT = $\frac{PV}{n}$

Substitute in the rms velocity formula,

$v_{rms} = \sqrt[]{\frac{3PV}{nM} }$

P = 92 kPa, V = 10 L, n = 2 moles and M = 32 x 10⁻³ kg/mol

$v_{rms} = \sqrt[]{\frac{3\times92\times10}{2\times32\times10^-^3} }$

=293.68 m/s

Thus, the effective speed (rms) of O₂ gas is 293.68 m/s.

Learn more about Root-mean-square velocity:

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The correct option is D

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