Gen Chem Exam

Front 1

Is generally associated with natural occurences or those that proceed even without an external factor.

Back 1

SPONTANEITY

Front 2

Process is capable of proceeding in a given direction without needing to be driven by an outside source of energy.

Back 2

SPONTANEOUS

Front 3

A reaction that does not favor the formation of products at the given set of conditions.

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NON- SPONTANEOUS

Front 4

A law which implies the entropy for a given change in temperature.

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SECOND LAW OF THERMODYNAMICS

Front 5

The Disorderliness of a system or a surrounding.

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ENTROPY

Front 6

Is the sum of the system's internal energy and the product of its pressure and volume.

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ENTHALPY

Front 7

Can be used to predict the spontaneity of a reaction.

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GIBSS FREE ENERGY

Front 8

Refers to the change in free energy when the reactants in their standard phase yield products of the same phase.

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STANDARD FREE ENERGY CHANGE

Front 9

It is equal to the summation of standard entropies of products minus the summation of standard entropies of then reactants.

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STANDARD ENTROPY

Front 10

The ratio of the products of the individual partial pressures of product.

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REACTION QUOTIENT

Front 11

The reaction is Positive since the heat flows into the surroundings.

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EXOTHERMIC REACTION

Front 12

The reaction is negative since the heat is absorbed from the surroundings.

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ENDOTHERMIC REACTION

Front 13

Is the study of the interrelation of heat and work with chemical reactions or with physical changes of state within the confines of the laws of thermodynamics.

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CHEMICAL THERMODYNAMICS

Front 14

Is defined as the branch of science that deals with the relationship between heat and other forms of energy, such as work.

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THERMODYNAMICS

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Is one that occurs without the addition of external energy and it may take place quickly or slowly, because spontaneity is not related to kinetics or reaction rate.

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SPONTANEOUS PROCESS

Front 16

The change in entropy for a given change in temperature can be calculated.

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DEPENDENCE OF ENTROPY ON TEMPERATURE

Front 17

3 laws of thermodynamics

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FIRST LAW OF THERMODYNAMICS

SECOND LAW OF THERMODYNAMICS

THIRD LAW OF THERMODYNAMICS

Front 18

energy is not created nor destroyed.

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FIRST LAW OF THERMODYNAMICS

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a perfect crystalline solid at absolute zero has an entropy of zero.

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THIRD LAW OF THERMODYNAMICS

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Can either be fast or slow as explained by kinetics.

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CHEMICAL REACTION

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Can also go in both forward and reverse directions or either way only.

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SPONTANEOUS REACTIONS

Front 22

Is an extensive property, therefore, the number of moles of all the reacting elements must be accounted for.

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ENTROPY

Front 23

The value of its reaction quotient at the chemical equilibrium.

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EQUILIBRIUM CONSTANT

Front 24

Spontaneous reactions are associated with an increase in entropy or the disorderliness of a system and its surroundings.

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ENRTROPY OF THE SYSTEM