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Chemistry

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Laurianne Howe

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Cards in this guide (14)
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 •

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'.

How does temperature affect the spontaneity of a reaction

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

Who created the model of the atom that has quantizied levels of energy
What does it mean for heat to be transferred by convection

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

How does the ocean affect coastal climate

the specific heat keeps the ocean temperatures more even

What does a negative H tell about a reaction

The reaction is exothermic.

What would cause entropy to decrease in a reaction

The products becoming more ordered than the reactants

What information does Gibbs free energy give about a reaction

It tells if the reaction will process spontaneously or not

What is the value for G at 300 K if H 27 kJmol and S 0.09 kJmolK

G = 0 kJ/mol

What can be said about a reaction with H 62.4 kJ mol and S 0.145 kJ mol K

it is spontaneous at 500 k

What statement best describes the potential energy diagram of an endothermic reaction

The potential energy of the products is greater than the potential energy of the reactants.

What statement best describes the second law of thermodynamics

How energy changes or moves

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