Decrease in volume
C₂H₂(g) + 2H₂(g) ⇄ C₂H₆(g)
We have a total of 3 mol of gas on the reactant side and 1 mol of gas on the product side.
Less gas molecules are present on the product side than on the reactant side.
The pressure inside the container should be increased to favor the side with fewer gas molecules. A high pressure container has limited "space." So, a decrease in container volume will encourage the development of the products.
A number of atoms are bound together to form gas molecules. These interatomic connections act as springs to unite atoms of different masses. The natural frequency is a constant vibrational frequency that this connection vibrates at.
A portion of the energy from infrared (IR) radiation that interacts with gas molecules is absorbed, while the remaining energy is transmitted. Gas molecules absorb this radiation, which gives them energy and causes them to vibrate more vigorously.
Learn more about gas molecules
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