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Chemistry 22 Online
OpenStudy (anonymous):

As a pot of hot water boils, the temperature of the water________ as the water level drops. -remains the same -drops -rises

OpenStudy (ramzy197):

rises

OpenStudy (ramzy197):

because as the temperature increases the volume decreases because evaporation is taking place :)

OpenStudy (anonymous):

Boiling point is a physical process that occurs at a PARTICULAR TEMPERATURE. Hence, temeprature maintains the same as the level drops. This is, Gravitational Potential Energy changes and not Kinetic. The energy that particles gain is only to break their bounds into a gaseous state. Answer is A.

OpenStudy (anonymous):

@Ramzy197 evaporation can occur at a range of temperatures, whereas boiling is at a particular one.

OpenStudy (ramzy197):

yes but evaporation only happens after water boils

OpenStudy (ramzy197):

this question is about WATER boiling in a kettle lol not alkanes

OpenStudy (anonymous):

For any substance, evaporation starts before boiling.

OpenStudy (ramzy197):

okie

OpenStudy (cuanchi):

at any temperature the liquid will have a certain vapor pressure and will evaporate. That is the principle of the cloths drying under the sun. You don't need to have the water boiling from your cloths to dry them out. Any water spill will eventually dry out without the water boiling. If you have a closed container such as a flask, when the pressure of the gas phase is equal to the vapor pressure at that temperature the water will stop evaporating. It will be and equilibrium. https://en.wikipedia.org/wiki/Vapour_pressure_of_water

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