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Chemistry

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Elias Wolf

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2y ago
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Cards in this guide (16)
How does the phase of water affect its specific heat capacity

Liquid water has the highest specific heat capacity.

How does entropy change in gas reactions

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

Which of the following would most likely be spontaneous

A reaction that produces heat

Which of the following has the highest entropy Water Ice Water solution or Water vapor

water vapor

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

G = 0 kJ/mol

What does S0 mean

the system has become more random

Which design shape will generate the most thrust

A tree with branches.

Which must be overcome by a rockets thrust

The payload's weight, and the weight of the rocket itself.

What is the purpose of the flame that is lit below a hot air ballon

That flame is the source of heat for the hot air in the hot air balloon.

What statements about airplane and rocket flight is true

Only one requires air molecules to generate lift.

The combustion reactions that occur in the engines of a rocket lead to pressure gradients that cause the gaseous products to rush out of the rocket into the atmosphere. What is created by this process

Thrust

A rocket uses an engine that creates thrust through the combustion of a liquid fuel and an oxidizer. What kind of rocket is this

Chemical rocket


What kind of nuclear reaction is seen in 9039Y 9040Zr plus 0-1e

Beta decay

What does the second law of thermodynamics say apex

The entropy of the universe is increasing

What describes the study of how energy is transferred to different locations and forms

Force

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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