At the critical temperature, the surface tension of a liquid becomes zero.

Here's a step-by-step explanation:

1. Surface tension is the property of a liquid that allows it to resist an external force. It's due to the cohesive forces between the liquid's molecules.

2. As the temperature of a liquid increases, the kinetic energy of its molecules also increases. This means the molecules move more rapidly and the cohesive forces between them are more easily overcome.

3. At a certain temperature, known as the critical temperature, the kinetic energy of the molecules is so high that the cohesive forces are completely overcome.

4. When this happens, the surface tension of the liquid drops to zero because there are no longer any cohesive forces to 'hold' the surface of the liquid together.

Question

At the critical temperature, the surface tension of a liquid becomes zero.

Here's a step-by-step explanation:

1. Surface tension is the property of a liquid that allows it to resist an external force. It's due to the cohesive forces between the liquid's molecules.

2. As the temperature of a liquid increases, the kinetic energy of its molecules also increases. This means the molecules move more rapidly and the cohesive forces between them are more easily overcome.

3. At a certain temperature, known as the critical temperature, the kinetic energy of the molecules is so high that the cohesive forces are completely overcome.

4. When this happens, the surface tension of the liquid drops to zero because there are no longer any cohesive forces to 'hold' the surface of the liquid together.

Knowee AI · Accepted Answer

At the critical temperature, the surface tension of a liquid becomes zero.

Here's a step-by-step explanation:

1. Surface tension is the property of a liquid that allows it to resist an external force. It's due to the cohesive forces between the liquid's molecules.

2. As the temperature of a liquid increases, the kinetic energy of its molecules also increases. This means the molecules move more rapidly and the cohesive forces between them are more easily overcome.

3. At a certain temperature, known as the critical temperature, the kinetic energy of the molecules is so high that the cohesive forces are completely overcome.

4. When this happens, the surface tension of the liquid drops to zero because there are no longer any cohesive forces to 'hold' the surface of the liquid together.

At critical temperature, surface tension of liquid becomes______

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