What is the physical mechanism of heat conduction in a solid, a liquid, and a gas?

What will be an ideal response?


In solids, conduction is due to the combination of the vibrations of the molecules in a lattice and the energy transport by free electrons. In gases and liquids, it is due to the collisions of the molecules during their random motion.

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The best time to apply fertilizer is _____

A) prior to the active growing season B) when the grass is dormant C) in the summer for cool season grasses D) in the winter

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One of the worst insect pests of corn and cotton is the corn earworm

Indicate whether the statement is true or false.

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A CAD operator realizes that it takes 36 minutes to plot a drawing. How long in hours will it take to plot 30 hard copies of the same drawing?

What will be an ideal response?

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Dimensions needed to calculate the volume of concrete needed for a job are found in the _____

a. building codes b. construction drawings c. materials lists d. job specifica

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