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Chemistry

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Aglae Pacocha

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โˆ™ 2021-10-05 18:34:09
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Cards in this guide (20)
What is a solution

A liquid with something dissolved in it

Which of the following is a strong acid

HCI (Hydrochloric acid)

What does it mean for something to be dissolved in water

The molecules of a dissolved substance are surrounded by water molecules and are not visible as separate substances.

How can parts of a solution be separated by chromatography

The solution is absorbed onto a piece of paper

What would heating a sealed glass jar do

Increase the pressure of the gas inside

What can happen to a supersaturated solution

The solute can re-form as a solid.

What does molality measure

concentration

Why does stirring increase the speed of a solute dissolving in water

Apex - It makes the water molecules bump into the solute more. ^.^

What does volatility refer to

the tendency of liquids to form a vapor

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.

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

The volume doubles

Which molecular solid would have the highest melting point

A solid that has hydrogen bonding would melt the easiest.

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

Dirt is a heterogeneous mixture.

What effect does adding a solute have on a freezing point in a solution

In this case the freezing point is lowered.

Which ionic compound will lower the freezing point the most of 1 mol of it is added to 1 mol of it is added to 1 L of water

NaCl

What would you need to do to calculate the molality of 0.2kg of NaCI in 3kg of water

convert the .2 kg of NaCl to moles of NaCl.

What is the following of a base

A base contain the hydroxyl group (OH)-.

What is the technique used to separate a solvent from a solution.

distillation (simple distillation)

What is evenly distributed uniform mixture called

A homogeneous mixture

Which of the following is an electrolyte solution

The answer is "Ions in water" on Apex

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