Physics 1A - Energy: Specific Heat Capacity and Energy Transfer

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What is the general formula for specific heat capacity?
E = M x C x 0
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What does the E stand for in E = MxCx0?
Energy Transferred (J)
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What does the M stand for in E = MxCx0?
Mass (kg)
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What does the C stand for in E = MxCx0?
Specific heat capacity? (J/kg*C)
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What does the 0 stand for in E = MxCx0?
Temperature Change (*C)
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How much energy is needed to heat 2kh of water from 10*C to 100*C? (Water has a specific heat capacity of 4200 J/kg*C)
1. E = 2 x 4200 x (100-10). 2. = 2 x 4200 x 90 = 756 000 J.
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What are the 9 types of energy?
Electrical, Light, Sound, Kinetic or Movement, Nucleur, Thermal or Heat, Gravitational Potential, Elastic Potential, Chemical.
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What is the principle of the conservation of energy?
Energy can be transferred usefully from one form to another, stored or dissipated - but never created or destroyed.
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When is energy useful?
When it can be transferred from one form to another.
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Name four examples of energy transfers:
1. Electrical Devices: Electrical Energy = Light, sound and heat. 2. Batteries: Chemical Energy = Electrical and Heat 3. Electrical Generation: Kinetic = Electrical and Heat 4. Potential Energy: Elastic = Kinetic and Heat.
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Card 2

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What does the E stand for in E = MxCx0?

Back

Energy Transferred (J)

Card 3

Front

What does the M stand for in E = MxCx0?

Back

Preview of the front of card 3

Card 4

Front

What does the C stand for in E = MxCx0?

Back

Preview of the front of card 4

Card 5

Front

What does the 0 stand for in E = MxCx0?

Back

Preview of the front of card 5
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