Energy Flashcards

1
Q

energy

A

the capacity to do work; involved in changes of matter

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2
Q

endothermic

A

energy into the system

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3
Q

exothermic

A

energy out of the system

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4
Q

total energy = ?

A

energy of system + energy of surroundings

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5
Q

system

A

reaction being studied

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6
Q

surroundings

A

everything out side of reaction

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7
Q

types of energy

A

light, thermal, electrical, mechanical, chemical, etc.

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8
Q

kinetic energy

A

energy of motion

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9
Q

potential energy

A

energy of position or stored energy

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10
Q

radiant

A

energy of sun

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11
Q

heat

A

energy transferred between objects that are at different temperatures

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12
Q

temperature

A

measure of the average kinetic energy of random motion of particles in a substance

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13
Q

specific heat

A

the quantity of energy (as heat) required to raise a unit of mass 1 K of 1 degree Celsius

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14
Q

equation of specific heat

A

cp = q / (m × ΔT)

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15
Q

cp

A

specific heat

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16
Q

q

A

heat (in Joules)

17
Q

m

A

mass (in grams)

18
Q

ΔT

A

change in temperature (in K or degrees C)