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Chemistry

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Erin Hand

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Cards in this guide (15)
Why are aircraft fuel tanks designed to be located in the wing

To utilize the wing space for the fuel,

What is R in the ideal gas law equation

the ideal gas constant

D:

What would heating a sealed glass jar do

Increase the pressure of the gas inside

What relationship does Charles's law describe

The relationship between temperature and volume

What force is activated because of the mass of the airplane and works to pull an airplane to the ground

Gravity

What does not describe the process the wright brothers used to create the first airplane

The wright brothers figured out how to outfit the plane with wings that flapped, similar to birds' wings. - Apex- Chemistry Semester 2.

Which of these best describes a flight that is approaching the speed of sound

more drag is created because the air molecules are not moving out of the way of the airplane

What is a challenge that the engineer of a high-altitude airplane would need to consider

The airplane may succumb to the power of gravity as lift decreases at higher altitudes.

A concentration unit expressed in units of moles of solute per kilogram of solvent

This is called molality.

Which molecular solid would have the highest melting point

A solid that has hydrogen bonding would melt the easiest.

Increasing an airplane's speed or wing size does which of the following

Generates more lifting force

If an engineer is designing a building in an area that has an occasional supersonic flight pass over it the engineer should

design extra reinforcements in the buildings windows so that they can withstand the vibrations from sonic booms

What is a homogeneous mixture equivalent to

A homogeneous mixture has only one phase.

What will result from increasing the temperature of gas

Increasing the temperature of gas the volume increase.

Which of the following is an electrolyte solution

The answer is "Ions in water" on Apex

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