Thermal Flashcards

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1
Q

SHC equation with a heater?

A

P/VI = Emc.. / t

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2
Q

What is latent heat of fusion/vaporisation?

A

Fusion- energy required / unit mass to change state from solid to liquid

Vaporisation- energy required / unit mass to change stat from liquid to gas

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3
Q

What is a mole?

A

Amount of substance containing avogrados constant of particles.

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4
Q

Ideal gas laws? (Motion,volume,collisions,collisions,force)

A

-gas atoms move with random rapid motion
-Gas Atoms occupy negligible volume
-All collisions elastic
-collisions negligible time
-negligible electrostatic force between atoms

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5
Q

Change of momentum during collision with container?

A

Delta P= 2mv

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6
Q

Newton’s third law application?

A

Every action has an equal and opposite reaction. During collisions has atoms exert force on container walls.

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7
Q

Boyles law?

A

At a fixed mass of gas and constant temperature. Pressure is inversely proportional to volume.

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8
Q

Boltzmann distribution?

A

Gas atoms velocity is random. This random distribution is the Boltzmann distribution.

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