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Chemistry

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Irma Kerluke

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Cards in this guide (13)
What is PPM in full

PPM = Parts Per Million.

1 ppm = 0.0001%

What kind of solid breaks with no regular patterns

an amorphous solid

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)

Which of the following best describes the kinetic theory

Atoms and molecules are always moving or vibrating.

What temperature scale is used in the ideal gas equation

K (Kelvin)

Which type of molecules would have the lowest melting point

NonePolar Molecules

What is the freezing point of sea water and pure water

The freezing point of pure water is 0 0C.

The freezing point of sea water is variable, depending on the amount of dissolved salts (approx. -3 0C).

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

The volumes doubles

What is the following of a base

A base contain the hydroxyl group (OH)-.

What is the molality of a solution made by dissolving 2 moles of NaOH in 6 kg

Molality (m) is defined as moles of solute per kg of solvent.Thus, 2 moles/6 kg = 0.33 molal or 0.3 m.

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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