Question

This is a temperature where the vapor pressure of a liquid equals the atmospheric pressure.

Answer 1

Answer:

• The boiling point of a substance is the temperature at which the vapor pressure of the liquid equals the pressure surrounding the the liquid and the liquid changes into the vapour.
• The boiling point of a liquid varies depending on the surrounding emmision mental pressure.
• The boiling point of a substance is the temperature at which the vapour pressure of the liquid equals the pressure surrounding the the liquid and the liquid changes into the vapor.
• The boiling point of a liquid varies depending on the surrounding emmision mental pressure.Therefore, the liquid boils.

• The normal boiling point of a liquid is the temperature at which its vapor pressure is equal to one atmosphere (760 torr).

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Answer 2

Liquid starts boiling

Explanation:

• The boiling point of a substance is the temperature at which the vapor pressure of a liquid equals the external pressure surrounding the liquid. Then the liquid changes into the water vapor.  
• The boiling point of a liquid varies depending on the surrounding emission mental pressure.
• The vapor pressure of the liquid upon heating increases, until the vapor pressure equals the pressure of the gas surrounding it.
• With the same external atmospheric pressure, the liquid starts to form bubbles and boil. This occurs at the boiling point of the liquid.

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