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Chemistry

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Jairo Schinner

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Cards in this guide (17)
What is PPM in full

PPM = Parts Per Million.

1 ppm = 0.0001%

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.

Which of the following is an example of a conjugate acid-base pair

H2S and HS-

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.

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

When was National Labor Relations Board created

National Labor Relations Board was created in 1935.

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.

which of the following is an example of an Arrhenius acid

HI

Which of the following is an electrolyte solution

The answer is "Ions in water" on Apex

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