Studied by 4 peopleAgitation
________ or stirring is a physical process that allows reactants to mix.
Catalysts
________ increase the rate and inhibitors decease the rate.
Single-Displacement Reactions
________ are described by the general equation A + BC → AC + B.
chemical reactions
All ________ release or absorb energy.
Exothermic Reaction
In a(n) ________, molecules have enough energy to overcome the activation energy barrier.
Solid Barium Sulfate
________ is formed from the reaction of two solutions.
Endothermic Reaction
________: When the energy needed is in the form of heat.
small amount of sulfuric acid
A(n) ________ is added to increase conductivity.
Double-Displacement Reaction
________: the positive ion of one compound replaces the positive ion of the other to form two new compounds.
Inhibitors
________: Substances that are used to slow down a chemical reaction.
reaction rate
Increasing the concentration of a substance increases the ________.
Chemical Bonds
In compounds, chemical potential energy is stored in ________ between atoms.
Copper
________ in a wire replaces silver in silver nitrate, forming a blue- tinted solution of copper (II) nitrate.
Precipitate
A(n) ________ is an insoluble compound that comes out of solution during this type of reaction.
law of conservation
According to the ________ of energy, energy can not be created or destroyed, but can only change form.
Combustion Reaction
________: occurs when a substance reacts with oxygen to produce energy in the form of heat and light.
Energy
________ is needed by atoms and molecules to break old bonds and to form new ones.
surface area
Increasing the ________ increases the chance for collisions, which will increase the reaction rate.
Energy Diagram
The ________ for an exothermic reaction is the reverse of an endothermic reaction.
Mercury Metal Forms
________ when mercury oxide is heated.
Rate of Reaction
________: the speed at which reactants are consumed and products are produced in a given reaction.
Catalyst
________: substance that speeds up a chemical reaction without being permanently changed itself.
Single-Displacement Reaction
________: When one element replaces another element in a compound.
Chemical Reaction
A(n) ________ will go faster at higher temperature and slower at lower temperature.
Double-Displacement Reaction
A(n) ________ takes place if a precipitate, water, or a gas forms when two ionic compounds in solution are combined.
endothermic reaction
With a(n) ________, the reactants have a lower energy level than the products.
exothermic reaction
With a(n) ________, the products have less stored energy than the reactants.
Reaction Rate
________ is important in the manufacturing industry because the faster the product can be made, the less it usually costs.
Catalyst
A(n) ________ lowers the activation energy of the reaction.
Chemical Reactions
When ________ occur, new compounds form when bonds between atoms in the reactants break and new bonds form.
Exothermic Reaction
________: When the energy given off in a reaction is primarily in the form of heat.
Chemical Reaction
________: a change in which one or more substances are converted into new substances.
Chemical Reactions
________ can be controlled by agitation.
Chemical Reaction
a change in which one or more substances are converted into new substances
Reactants
The substances that react
Products
The new substances produced
Chemical Equation
a way to describe a chemical reaction using chemical formulas and other symbols
Balanced Chemical Equation
The balancing process involves changing coefficients in a reaction
Combustion Reaction
occurs when a substance reacts with oxygen to produce energy in the form of heat and light
Synthesis Reaction
two or more substances combine to form another substance
Decomposition Reaction
occurs when one substance breaks down, or decomposes, into two or more substances
Single-Displacement Reaction
When one element replaces another element in a compound
Double-Displacement Reaction
the positive ion of one compound replaces the positive ion of the other to form two new compounds
Activation Energy
The minimum amount of energy needed to start a reaction
Endothermic Reaction
When the energy needed is in the form of heat
Exothermic Reaction
When the energy given off in a reaction is primarily in the form of heat
Rate of Reaction
the speed at which reactants are consumed and products are produced in a given reaction
Catalyst
substance that speeds up a chemical reaction without being permanently changed itself
Inhibitors
Substances that are used to slow down a chemical reaction
Note
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