Melting Snow Tends To (Answer Key) | Harvard University - Edubirdie

University:
Harvard University
Course:
PHYSICS 19 | Introduction to Theoretical Physics
Academic year:

2021
Views:

91

Pages:

2
Author:

Maverick Haynes

Melting snow tends to cool the surrounding air As a block of ice at 0°C melts, the block absorbs energy without a temperature change Evaporation is a cooling process and condensation is a warming process When condensation occurs inside your bedroom window, the air outside is appreciably colder When water vapor changes phase to become water in a cloud, the surroundings become warmer When water vapor condenses on the inside of a window, the room becomes slightly warmer When water freezes, the surrounding air is warmed Which will melt more ice when placed on its surface, a kilogram of wood or a kilogram of iron of the same high temperature? 1 kg of wood The molecules in a room-temperature glass of water jostle around at a great variety of speeds When a solid melts, energy is absorbed by the solid A boy scout will be burned more severely by 100 g of steam at 100°C When a solid is changed to a liquid, the solid absorbs energy. The reason that evaporation is a cooling process is the more energetic molecules escape the liquid. The most responsible factor for whether a substance takes the phase of solid, liquid, gas, or plasma is its temperature. the temperature at which water freezes is the same as the temperature at which ice melts When vapor transforms to a plasma, energy must be absorbed by the vapor.

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