Particles Flashcards

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1
Q

What is the control variable?

A

The one you keep the same

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2
Q

What is the independent variable?

A

The one you change

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3
Q

What is the dependent variable?

A

The one you measure

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4
Q

What is the energy change for specific latent heat?

A

Changing from a gas to a liquid

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5
Q

What happens in a change of state?

A

Mass is conserved

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6
Q

What is the equation for density?

A

Density = mass ÷ volume

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7
Q

What is internal energy?

A

The total kinetic and potential energy of the particles that make up the system

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8
Q

Which change of state does latent heat of fusion apply to?

A

Solid to liquid

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9
Q

How do air particles move?

A

At random speeds in random directions

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10
Q

What happens to the temperature of nitrogen as it boils?

A

The temperature stays the same

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11
Q

How do you calculate uncertainty?

A

Uncertainty = highest number - smallest number ÷ 2

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