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Chemistry

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Jessika Herman

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Cards in this guide (15)
What is thermal energy

The total kinetic energy of the particles in a system

What is a flame test

Answer By exposing materials to a hot flame (from a Bunsen burner typically), the color of the flame can be used to identify the material. Certain elements give off a characteristic color when heated to high temperature. See the Related Links for "Wikipedia: flame test" to the bottom for the answer.

A method of obtaining an emission spectrum from a sample

What is a prism

something that splits up light into different colors ! apx :)

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

Why does temperature stay constant during a phase change

To put it in simple terms, all of the energy that would normally increase the temperature of the object, is being used to convert the object from one phase to another.

Once the object has completely changed to the new phase, the energy is not needed for phase change and raises the temperature of the object.

Because energy is being used to overcome intermolecular forces(apex)

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 quantization refer to

Having a specific set of possible values

Which of the following describes something that is quantized

It has a specific set of possible values.

What information does a flame test provide

The emission spectrum of an element

Which equation shows how frequency is related to velocity and wavelength

F=v/&

Which piece of information do you need to determine whether a molecule is an alkene or an alkane

the type of C-C bonds in the molecule-apex

What does S0 mean

the system has become more random

How is the H fusion used to calculate the mass of solid that 1kJ of energy will melt

1kj x 1/H fusion x g/mol solid

Which nuclei would be the least stable

1 proton, 3 neutrons

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