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Chemistry

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Esperanza Hahn

Lvl 10
2y ago
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Cards in this guide (16)
What is the ideal gas constant

It is a universal constant used for all gases.

What is the best way to make a supersaturated solution

Heat the solution

What substance will break rather than bend

Ice will break rather then bend

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.

Which of these does not accurately describe the Wright brothers first airplane

it had wings that flapped similat to birds wings

As pilots get closer to the speed of sound

When pilots get closer to the speed of sound it gets harder for the plane to fly. It could also depend on the how the pilot flees.

What forms of the ideal gas law would you use to calculate the number of moles of gas

Probable you think to the law of Avogadro.

What would mix the best with water non polar molecules polar molecules fatty molecules symmetrical molecules

Polar molecules are mixed better with water.

What is a phase diagram

a diagram showing the effects of temperature and pressure on phase

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

Generates more lifting force

Bikers wear spandex clothing to make themselves more aerodynamic. Which of the following forces does this clothing counteract

Drag

All airplanes have mass therefore what force pulls them toward the ground

gravity

The hot expanding gases generated by the combustion reactions in the engines are

released through the back of the engine to propel it and the airplane foward

What is stp apex

1 atm :)

In supersonic flights molecules break apart and react chemically. safety features protects the plane

heat shield

Which of the following is an expression of Boyle's law

PV = constant (apex)

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