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CH 8 vocab
vocab
17
Science
8th Grade
04/03/2013

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Term
substance that releases H+ ions and produces hydronium ions when dissolved in water
Definition
acid
Term
solutions in which water is the solvent
Definition
aqueous
Term
substance that accepts H+ ions and produces hydroxide ions when dissolved in water
Definition
base
Term
describes how much solute is present in a solution compared to the amount of solvent
Definition
concentration
Term
type of mixture where the substances aren't evenly mixed
Definition
heterogeneous
Term
type of mixture where two or more substances are evenly mixed on a molecular level but aren't bonded together
Definition
homogenous mixture
Term
hydrogen ion combines with a water molecule to form H3O+
Definition
hydronium ion
Term
compound that changes color at different pH values when it reacts with acidic or basic solutions
Definition
indicator
Term
reaction in which an acid reacts with a base and forms water and a salt
Definition
neutralization
Term
measure of how acidic or basic a solution is, ranging in a scale from 0-14
Definition
pH
Term
solid that comes back out of its solution because of a chemical reaction or physical change
Definition
precipitate
Term
describes a solution that holds the total amount of solute that it can hold under given conditions
Definition
saturated
Term
measure of how much solute can be dissolved in a certain amount of solvent
Definition
solubility
Term
substance that dissolves and seems to disappear into another substance
Definition
solute
Term
homogeneous mixture whose elements and/or compounds are evenly mixed at the molecular level but are not bonded together
Definition
solution
Term
substance that dissolves the solute
Definition
solvent
Term
matter with a fixed composition whose identify can be changed by chemical processes but not by ordinary physical processes
Definition
substance
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