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Physics

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Gerda O'Conner

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2y ago
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Cards in this guide (15)
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 frequency of a wave

The frequency of a wave, represented by the letter f, is the number of occurrences of a repeating event per unit time. It is also referred to as temporal frequency. The SI unit of cycles per second is called hertz or Hz. Hz can be expressed as a reciprocal second (s-1 or 1/s).

The number of waves that pass a point in 1 second

What is the energy of a photon

the energy of a photon is h times f

Which of the following colors of visible light has the highest frequency

The last color you can see on the violet end of the rainbow has the highest

frequency that's visible to your individual eyes.

What does it mean for heat to be transferred by radiation

Energy is transferred when molecules absorb electromagnetic waves.

What does the latent heat of fusion represent

The amount of heat energy required to solid substance solid into a liquid state without any changes in temperature

______________________

Apex: The amount of energy required to turn a mole of a solid into a liquid

What would cause entropy to decrease in a reaction

The products becoming more ordered than the reactants

Which of the following electromagnetic waves can create ions

Gamma rays

What transition energy corresponds to an absorption line at 502 nm

3.96 10-19 j

What information does Gibbs free energy give about a reaction

It tells if the reaction will process spontaneously or not

What could the fourth quantum number of a 2s2 electron be

ms= +1/2

Which of the following describes a spectrum apex

A range of wavelenghs of frequencies of electromagnetic raditation

What electromagnetic waves has the highest energy

Ultraviolet waves

What statement describes the potential energy diagram of an exothermic reaction

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

A solid fuel designed for a rocket has air pocket inside what is the danger of this

The rocket might explode from the added pressure when the combustion reaction hits the air.

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