Based on the calculations, the temperature of this ideal gas is equal to 300.5 K.
<h3>How to calculate the temperature.</h3>
Mathematically, the temperature of an ideal gas is given by this formula:

<u>Where:</u>
- R is the ideal gas constant.
- n is the number of moles.
<u>Given the following data:</u>
Number of moles = 12.20 moles.
Volume = 18.35 L.
Pressure = 16.40 atm.
Substituting the given parameters into the formula, we have;

T = 300.5 K.
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Answer:
The significance of the temperature -40°C is that when it is converted to Fahrenheit, it is the same thing, -40°F. Usually, the Fahrenheit's numbers are larger than Celsius
0.206 moles will contain 0.206 moles x 6.022 × 10^23 atoms which is equivalent to 1.240 x 10^23 atoms.
<h3>Total atoms in a compound</h3>
Given the following parameters
- Mass of Cu2s = 32.8 grams
Get the number of moles
Moles = 32.8/159.16 g/mol
Moles of Cu2S = 0.240moles
Since 1 molecule of atom = 6.02 * 10^23 molecules
Hence 0.206 moles will contain 0.206 moles x 6.022 × 10^23 atoms which is equivalent to 1.240 x 10^23 atoms.
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