Science Quiz / Chapters 11, 12, 20 vocab

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Can you name the Chapters 11, 12, 20 vocab?

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DescriptionVocab Word
a substance that increases the rate of reaction by lowering the activation energy barrier
a process that involves a complete or partial gain of electrons or a loss of oxygen
A list of elements in order of decreasing activity
A method of balancing redox equations by balancing the oxidation and reduction half-redution separately before combining them
a reagent present in a quantity that is more than sufficent to react with a limiting reagent; any reactant that remains after the limiting reagent is used up in a chemical reaction
Equation showing either the oxidation or the reduction that takes place in a redox reaction
the substance in a redox reaction that accepts electrons
A reaction that involves the transfer of electrons between reactants
chemical change that involves an exchange of positive ions between two compounds
chemical changes in which an element or compound reacts with oxygen; often producing energy as heat or light
Chemical equations in which mass is conserved, each side of the equation has the same number of atoms of each element
chemical change in which one element replaces a second element in a compound; also called a displacement reaction
the amount of a product that could form during a reaction calculated from a balanced chemical equation; it represents the maximum amount of product that could be formed form a give
chemical changes in which hydrogen is lost
the ratio of the actual yield to the theoretical yield for a chemical reaction expressed as a perentage; a measure of the efficency of a reaction
chemical equations that do not indicate the relative amounts of reactants and products
DescriptionVocab Word
equations that show dissolved ionic compounds as dissociated free ions
an expression representing a chemical reaction, the formulas of the reactants are connected by an arrow with the formulas for the products
A positive or negitive number assigned to an atom to indicate its degree of oxidation or redution
another name for an oxidation reduction reaction
small whole numbers that appear in front of a formula in a balanced chemical equation
equations for a reaction in solutions showing only those particles that are directly involved in the chemical change
that portion of chemistry dealing with numerical relationships in chemical reactions, the calculation of quantities of substances involved in chemical equations
A process that includes complete or partial loss of elections or a gain of oxygen
A method of balancing a redox equation by comparing the increases and decreases in its degree of oxidation or reduction
chemical changes in which two or more substances react to form a single new substance, also called a synthesis reaction
ions that are not directly involved in a chemical reaction; an ion that doesn't change oxidation number or composition during a reaction
any reactant that is used up first in a chemical reaction; it determines the amount of product that can be formed in the reaction
a conservation factor derived from the coefficents of a balanced chemical equation interpreted in terms of moles
the substance in a redox reaction that donates electrons
the amount of product that forms when a reaction is carried out in a labratory

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