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The amount of a substance that contains 6.02x10^23 representative particles of that substance.
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The percent by mass of each element in a compound.
Empirical Formula and an example
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A formula with the lowest whole-number ratio of elements in a compound: the empirical formula of hydrogen peroxide.
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Any reactant that is used up first in a chemical reaction; it determines the amount of product that can be formed in the reaction.
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A substance that increases the rate of reaction by lowering the activation-energy barrier; the catalyst in not used up in the reaction.
The explanation of Atomic Mass Units.
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A unit of mass equal to 1/12 the mass of a Carbon-12 atom.
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The amount of product that can be formed during a reaction calculated from a balanced chemical equation; It represents the maximum amount of product that could be formed from a given amount of reactant.
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A chemical formula of a molecular compound that shows the kinds of numbers of atoms represent in a molecule of a compound.
Excessive reactant/reagent is sufficient to what and determines what.
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What is...
A reagent presents a quantity that is more than sufficient to react with a limiting reagent; any reactant is used up in a chemical reaction.
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A compound that has a specific number of water molecules bound to each formula unit.
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A term used to refer to the mass of a mole of any substance.
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The amount of product that forms when a action is carried out in the laboratory.
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The lowest whole-number ratio of ions in an ionic compound in Magnesium Chloride, The ratio of a Magnesium ions to chloride ions is 1:2 and The formula units is MgCl2.
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What is...
A change in which one or more reactants change into one or more products characterized by the breaking of bonds in reactant and the formation of bonds in products
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What is...
A neutral group of atoms joined together by covalent bonds.
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A conversion factor derived from the coefficient of a balanced chemical equation interpreted in terms of moles.
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The ratio of the actual yield to the theoretical yield from a chemical reaction expressed as a percentage; A measure of the efficiency of a reaction.
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Equal volumes of gasses at the same temperature and pressure contain equal numbers of particles.
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What is...
A substance present at the start of a reaction
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What is...
The smallest particle of an element that retains its identity in a chemical reaction.
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The volume occupied by 1mole of a gas at standard temperature and pressure (STP) : 22.4L.
Representative Particle is what, and how is it broken down.
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The smallest unit of which a substance can be broken down without a change in composition, usually atoms, molecules, or ions.
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The number of representative particles contained in one mole of a substance.
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What is...
A substance produced in a chemical reaction.
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-GIVE AN EXAMPLE OF STP-
What is...
STP is the standard temperature and pressure; the condition under which the volume if a gas is usually measured
standard temperature is 0 degree C and standard pressure is 101.3Pa or 1 atmosphere (ATM)