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Chemistry

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Shaun Lehner

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2y ago
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Cards in this guide (17)
What is a solution

A liquid with something dissolved in it

What is the effect of NaCl and CaCl2 on the boiling point of water

The water with solved ions has greater boiling point. The dissolved salts increase the boiling point of water.

What are the functions of electromagnetic energy

by kentic energy by kentic energy

What term describes the physical change of a solid to a liquid at the melting point

melting

How does a graph show a saturated solution and a unsaturated solution

A graph can illustrate what solution is saturated and unsaturated. If the point is on the line, then the solution is saturated, while if is below the line, the solution is unsaturated.

Why do they speak French in Vietnam

Vietnam used to be Indochina during colonial times and was a French colony.

What kind of solid tends to have the lowest melting points

Solids made up of molecules

What forces hold network solids together

All chemical bonds, including those found in network solids, derive from the electromagnetic force. Positively charged protons attract negatively charged electrons. Although atoms start off with an equal number of protons and electrons, and are therefore electrically neutral, the electrons rearrange themselves in ways that create attractions between atoms. Covalent bonds

What form of the ideal gas law would you use to calculate the volume of a gas

V=nRT/P

Why is soap mixed with water


Its polar end mixes with the water so it can be washed away. ~APEX

Which intermolecular force would affect the boiling point the least

Van der Waals forces

Which intermolecular force would cause the highest boiling point

Hydrogen Bonding

How does decreasing the temperature affect the volume of a gas

As indicated by Charles's Law, at constant pressure, the volume decreases when the temperature decreases. This is due to slowed collisions between molecules.

What is the significant force that attracts water molecules polar molecules to each other

hydrogen bonding

Which are the following is an amorphous solid

Glass - Apex (Chem)

What is the overall effect adding a solute to a solution

boiling point is increased and freezing point is decreased

Which of the following is an example of a heterogeneous mixture water saltwater dirt or brass

Dirt is a heterogeneous mixture.

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