Feb 24 Lecture --thermodynamics

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Last updated 6:17 PM on 2/25/25
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15 Terms

1
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An exothermic reaction is one where heat is __________ from a high energy set of reactions.
released
2
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In an endothermic reaction, heat is __________ the reaction.
entering
3
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Potential energy is stored energy, such as in a __________.
coiled spring
4
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Kinetic energy is energy in __________.
motion
5
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Work is calculated using the formula: __________ = force X distance.
work
6
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The first law of thermodynamics states that the total energy change in the system and surroundings must be __________.
0
7
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The equation for the change in energy is __________ = energy in final state - initial energy state.
change in energy
8
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1 Joule (J) is equivalent to __________ (N*m).
1 Newton meter
9
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A calorie (cal) is the amount of energy needed to raise the temperature of one gram by __________ degrees Celsius.
1
10
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Specific heat capacity is quantified in __________ units.
J/(g*deg C)
11
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Molar heat capacity is the amount of heat required to raise the temperature of one mole of substance __________ degrees Celsius.
1
12
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The equation for heat is __________ = mass of substance X specific heat capacity X delta T.
q
13
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The zeroth law of thermodynamics relates to __________.
heat capacity
14
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The work done by gas expanding is represented as __________ = -pdeltaV.
w
15
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The equation for the change in energy including heat and work is __________ = q(heat) + w(work).
DeltaE