Lab 10 Flashcards

(11 cards)

1
Q

Heat is form of energy

A

Thermal energy

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2
Q

As the temperature increases, heat is ____; as temperature decreases, heat is ____.

A

Gained; lost

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3
Q

Heat(q) is measured in ___, the SI unit for energy

A

Joules

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4
Q

Heat at constant pressure is called

A

Enthalpy

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5
Q

Processes which lose energy are called ____ and a have a -∆H

A

exothermic

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6
Q

processes that gain energy are said to be ____ with a +∆H.

A

endothermic

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7
Q

A _____ is a device which can measure the amount of heat generated during a thermal reaction or process, usually through an indirect method of measuring heat transfer.

A

Calorimeter

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8
Q

The amount of heat necessary to increase the temperature of 1 gram of a substance by 1◦C

A

Specific heat

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9
Q

Since the amount of heat the water gains and the metal loses are equal, the value for heat (q) will be equal but opposite in sign.

A

True

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10
Q

Heat can be calculated using the formula below:

A

q= (mass) (specific heat) (Δ Temperature)

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11
Q

When mass is not a factor, the amount of heat required to increase a sample of unknown mass by 1◦C is called

A

Heat capacity

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