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2 years ago

13

How do chemists model the valence electrons in a metal

1 answer:

Bumek [7]2 years ago

5 0

Answer:

the valence electrons of atoms in a pure metal can be modeled as a sea of electrons

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3 years ago

A container holds 0.490 m3 of oxygen at an absolute pressure of 5.00 atm. A valve is opened, allowing the gas to drive a piston,

mash [69]

<u>Answer:</u> The new volume will be $2.04m^3$

<u>Explanation:</u>

To calculate the new volume, we use the equation given by Boyle's law. This law states that pressure is directly proportional to the volume of the gas at constant temperature.

The equation given by this law is:

$P_1V_1=P_2V_2$ (at constant temperature)

where,

$P_1\text{ and }V_1$ are initial pressure and volume.

$P_2\text{ and }V_2$ are final pressure and volume.

We are given:

$P_1=5.00atm\\V_1=0.490m^3\\P_2=1.20atm\\V_2=?m^3$

Putting values in above equation, we get:

$5atm\times 0.490m^3=1.20\times V_2\\\\V_2=2.04m^3$

Hence, the new volume will be $2.04m^3$

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3 years ago