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Chemistry

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Coleman Kuhic

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Cards in this guide (16)
What is Gibbs Free energy

The usable energy released or absorbed by a reaction.

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

Which metal has the highest specific heat capacity

Lithium is the metal that has the highest specific heat capacity.

Which of the following describes the entropy change of a gas reaction

If there is an increase in the number of gas molecules, then S > 0.

What happens to the entropy in the reaction I2s I2g

Entropy increases in the reaction.

How does entropy change in gas reactions

Reactions that increase the moles of gas will increase in entropy.

What conditions make G always negative

G is always negative when H is negative and S is positive.

Which equation shows how frequency is related to velocity and wavelength

F=v/&

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

G = 0 kJ/mol

What is the name of the field of study with laws that describe how energy is transferred to different locations and forms

Thermodynamics

What describes the difference between the mechanics of airplane flight and rocket flight

The difference is that you are a mamaguevo y yo se lo meto a tu hermana.

What chemical reaction describes where energy is absorbed

You think probable to an endothermic chemical reaction.

How is the H fusion used to calculate the energy released when a mass of liquid freezes

grams liquid x mol/g x H fusion

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.

The size of a rocket's cargo determines the amount of thrust the engine must create to carry the rocket into outer space. What is another term for this cargo

Payload (apex)

An aerospace engineer is designing a rocket to have three stages. Which is not a reasonable explanation for this decision

to simplify the design of the rocket.

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