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Chemistry

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Zora Daniel

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βˆ™ 2021-10-24 18:33:38
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Cards in this guide (24)
What does the solvent do in a solution

The answer is "It dissolves something else" on Apex

What does it mean for a solution to be saturated

The maximum amount of solute is dissolved in it-apex

What is PPM in full

PPM = Parts Per Million.

1 ppm = 0.0001%

What concentration unit is measured in moles of solute per kilogram of solvent

Molality

Which of the following intermolecular forces would affect boiling point the most

Hydrogen bonding

What is another way of describing a freezing point change

- Melting point change. ^.^

What happens when the pressure of a gas is decreased

volume increases

What kind of solid breaks with no regular patterns

an amorphous solid

What characterizes a crystalline solid when it breaks

The break follows the crystal structure.

What kind of crystalline solid is MgCl2

Ionic

What two factors determine the point at which a liquid will boil

Heat or energy applied and atmosphereic pressures


Pressure and temperature (apex)

What causes the change in pressure when a basketball is pumped up

the number of molecules changes

What would form a solution

mixing a solvent and a solute

Apex

Which of the following best describes the kinetic theory

Atoms and molecules are always moving or vibrating.

Which of the following attractive forces would result in the lowest melting point

Van der Waals forces, Apex

Which of the following substances would most likely to be malleable

copper

Which type of molecules would have the lowest melting point

NonePolar Molecules

What does avogadros law say about a gas at STP

1 mole of any gas has a volume of 22.4 at STP

According to the ideal gas law what happens to the volume of a gas when the number of moles doubles

The volumes doubles

Which of the following is a weak base NH3 KOH LiOH or NaOH

Ammonia solution is a weak base.

Room temperature is usually considered to be 25 degrees Celsius what is that in kelvins

298 K

What is molality of a solution

It is the number of moles of solute in 1 kg of solvent.

What mixture would form a heterogeneous mixture

mixture of polar and nonpolar liquids.

Which of the following is an electrolyte solution

The answer is "Ions in water" on Apex

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