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Chemistry

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Leland Grant

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Cards in this guide (12)
What is thermal energy

The total kinetic energy of the particles in a system

What is thermodynamics

the study of the movement of energy and heat.

or

Thermodynamics is the branch of physics concerned with the conversion of different energy forms.

•DeltaG (rxn) = DeltaG (pdts) - DeltaDG (rcts) •DeltaG°(rxn) = -R T ln K •

What is the latent heat of fusion

It is the amount of heat that is required to melt something, and the amount of heat that it gives off when it freezes. (They are the same amount.)

A cat with two kittens are sleeping or A cat with two kittens is sleeping.

'with two kittens' describe the cat. So, you should write 'is sleeping'. But if you mean that all three of them are sleeping, write 'A cat and his two kittens are sleeping'.

Which equation is an expression of the rate law

Rate = k[A]m[B]n

How does temperature affect the spontaneity of a reaction

if H and S have the same sign the temperature will determine spontaneity

What does it mean for heat to be transferred by convection

Energy is transferred through moving currents of warmer air or liquid.

What does a negative change in entropy indicate

The system has become more ordered.

What would cause entropy to decrease in a reaction

The products becoming more ordered than the reactants

What does thermal energy refer to

The kinetic energy within a system

How much energy is required to raise the temperature of 3 G of silver from 15 degrees Celsius to 20 degrees Celsius

3.50 J

What statement best describes the second law of thermodynamics

How energy changes or moves

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