Substances, Mixtures, and Solubility

36 terms by PaytonDance 

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concentration

describes a solution taht contains a large amount of solute per given amount of solvent

mixtures

combination of substances taht can be separated by physical processes

solution

another name for a homogeneous mixture

concentration

tells you how much solute is present compared t the amount of solvent

indicators

compounds that react with acidic or basic solutions to produce certain colors

dilute

contains a relatively small amount of solute per given amount of solvent

disollution

process of forming a solution

"Like dissolves like"

polar molecules dissolve polar molecules and nonpolar molecules dissolve nonpolar molecules

tenfold

a change of 1 pH unit represents ? change in acid or strength or weakness

stalactite

a hanging icicle of rock formed by dripping water in a cave

stalagmite

a column of rock that forms upward fron the floor of a cave as water with dissolved rock drips on it

sour taste, conduct electricity, corrosive

3 properties of acid solutions

slippery, bitter, corrosive

3 properties of basic solutions

substance

element or compound that cannot be broken down into simpler components and maintain the properties of the original substance

heterogeneous mixture

a mixture in which pure substances are unevenly distributed throughout the mixture

homogeneous mixture

a mixture in which substances are evenly distributed throughout the mixture

solution

mixture of two or more substances in which the molecules of the substances are evenly distributed; another name for a homogeneous mixture

solute

the substance that is dissolved

solvent

in a solution, the substance in which the solute dissolves

precipitate

a solid that forms and settles out of a liquid mixture

aqueous

a solution in which water is the solvent

solubility

measure of how much solute can be dissolved in a certain amount of solvent

saturated

being the most concentrated solution possible at a given temperature

acid

substance that release positively charged hydrogen ions, H+, in water

hydronium ions

positively charged and have the formula H3O+

base

substances that can accept hydrogen ions

pH

measure of how acidic or basic a solution is, ranging from 0 to 14

indicators

compounds that react with acidic and basic solutions and produce certain colors, depending on the solutions pH

neutralization

reaction in which an acid reacts with a base and forms water and a salt

alloy

a solid-solid solution made from two or more metals

brass

an alloy of copper and zinc

steel

alloy of iron and carbon

time motion temperature and contact area

factors that affect the rate of dissolving

blue

the color litmus paper turns when its in a base

red

the color litmus paper turns when its in a acid

antacid

can help to neutralize excess acid in the stomach

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