Type
Crossword
Description

The substance that forms in a chemical reaction. Product
A substance or moleclue that parcipitates in chemical reactions. Reactant
A representation of a chemical reaction that uses symbols. Chemical equation
A combination of chemical symbols and numbers to represent a substance. Chemical formula
A chemical reaction that requires heat. Endothermic reaction
A chemical reaction in which heat is released to surroundings. Exothermic reaction
The minimum amount of energy required to start a chemical reaction. Activation energy
A substance that slows down or stops a chemical reaction. Inhibitor
A substance that changes the rate of a chemical reaction without being used up or changed. Catalyst
A multiplier of factor that measures some property. Coefficient

Chemical Reactions Crossword

Type
Crossword
Description

A chemical reaction that requires heat Endothremic
The law that states that energy cannot be created or destroyed but can be change another LCE
The minimum amount of energy required to start a chemical reaction Activation Energy
A substance that slows down or stops a chemical reaction Inhibitor
A substance that changes the rate of a chemical reaction without being used up or changed very much Catalyst
A chemical reaction in which heat is released to the surroundings Exothermic
A combination of chemical symbols and numbers to represent a substance Chemical Formula
A representation of a chemical reaction that uses symbols to show the relationship between the reactants and the products Chemical Equation
A substance or molecule that participates in a chemical reaction Reactant
The substance that forms in a chemical reaction Product
2 or more substances combine to form a new compound Synthesis
A compound decomposes into 2 or more simpler substances Decomposition
1 element replaces another element in a compound Single Replacement

Chemical Reactions Crossword

Type
Crossword
Description

The substance that forms in a chemical reaction Product
A chemical reaction in which heat is released to the surroundings Exohermic reaction
The minimum amount of energy required to start a chemical reaction Activation energy
A chemical reaction that requires heat Endothermic reaction
A substance or molecule that participates in a chemical reaction Reactant
The law that states that energy cannot be created or destroyed but can be changed from one form to another lce
A representation of chemical reaction that uses symbols to show the relationship between the reactants and the products Chemical Equation
A substance that slows down or stops a chemical reaction Inhibitor
A combination of chemical symbols and numbers to represent substance Chemical formula
A substance that changes the rate of a chemical reaction without being used up or changed very much catalyst

Chemical Reaction Crossword

Type
Crossword
Description

A Process In Which One Or More Substances Change To Make One Or More New Substances Chemical Reaction
A Shorthand Way To Use Chemical Symbols And Numbers To Represent A Substance Chemical Formula
Uses Chemical Symbols And Formulas As A Shortcut To Describe A Chemical Reaction Chemical Equation
The Starting Materials In A Chemical Reaction Reactants
Substacnes Formed From A Reaction Products
A Reaction In Which Two Or More Substances Combine To Form One New Compound Synthesis Reaction
A Chemical Reaction In Which Heat Is Released To The Surroundings Exothermic Reaction
A Chemical Reaction That Requires Heat Endothermic Reaction
The Minimum Amount Of Energy Required To Start A Chemical Reaction Activation Energy
A Substance That Slows Down Or Stops A Chemical Reaction Inhibitor
A Substance That Changes The Rate Of A Chemical Reaction WIth Out Being Used Up Or Changed Very Much Catalyst

CHEMICAL REACTIONS Crossword

Type
Crossword
Description

A description of a change in which a system absorbs energy from its surrounding. ENDOTHERMIC
A description of a change in which a system releases energy to its surrounding. EXOTHERMIC
A substance that undergoes change in a chemical reaction. REACTANT
New substances formed as a result of a chemical reaction. Products
A chemical reaction in which two or more substances react to from a single substance. Synthesis Reaction
A chemical reaction in which a compound breaks down into two or more simpler substances. Decomposition Reaction
A chemical reaction in which one element takes another elements place in a compound. Single-replacement Reaction
A chemical reaction in which two compound exchange positive ions and form two new compounds. Double-replacement Reaction
The rate at which reactants change into products over time. Reaction Rate
A chemical reaction in which a substance reacts rapidly with oxygen, often producing heat and light. Combustion Reaction
A chemical reaction in which electrons are transferred from one reactant to another. Oxidation-reduction Reaction
The action or fact of making a specified thing smaller or less in amount, degree, or size. Reduction
A substance to be deposited in solid form from a solution. Precipitate
A substance that affects the rate of a chemical reaction without being used up in the reaction. Catalyst
Numbers that appear before a formula in a chemical equation to show the relative proportions of each reactant and product. Coefficients
A representation of a chemical reaction in which the reactants and products are expressed as formulas. Chemical Equation
A state in which the forwards and reverse paths pf a physical or chemical change take place at the same time. Equilibrium

Chemical Reactions Crossword

Type
Crossword
Description

A process during which chemical bonds between atoms are broken and new ones are formed. Producing one or more different substances. Chemical Reaction
The starting materials in a chemical reaction. Reactant
The new substances that are formed in a chemical reaction. Product
A representation of a chemical reaction that uses symbols to show the relationship between the reactants and the products. Chemical Equation
Tells how many atoms, molecules, or formula units take part in a reaction. Coefficient
Tells how many atoms of an element are contained in one molecule or formula unit. Subscript
Energy is released. Exothermic Reaction
Energy is absorbed Endothermic Reaction
A condition in which different elements are equal or in the correct proportions. There are three types of visual balance: symmetry, asymmetry, and radial. Balance
A chemical reaction that occurs when a substance reacts with oxygen, releasing energy in the form of heat and light. Combustion Reaction
A chemical reaction that occurs when a substance reacts with oxygen, releasing energy in the form of heat and light combustion reaction A chemical reaction in which two or more reactants combine to produce a single product. Synthesis Reaction
A reaction in which a single compound breaks down to form two or more simpler substances. Decomposition Reaction
Chemical reaction in which one element replaces another element in a compound. Single-displacement Reaction
A reaction in which a gas, a solid precipitate, or a molecular compound forms from the exchange of ions between two compounds. Double-displacement Reaction
A solid that forms from a solution during a chemical reaction. Precipitate
A chemical change in which a substance combines with oxygen, as when iron oxidizes, forming rust. Oxidation
Any process in which electrons are added to an atom or ion. Reduction
A substance that initiates or accelerates a chemical reaction without itself being affected. Catalyst

Thermochemistry Crossword Puzzle

Type
Crossword
Description

The study of heat transfer during chemical reactions and changes in state thermochemistry
The reaction or substance changing System
The molar heat of ___ is the amount of heat released when vapor condenses condensation
Energy in chemical bonds (3 words) ChemicalPE
Everything in the universe Surroundings
The law of ___ states energy cannot be created or destroyed (3 words) conservationofenergy
When the system gains heat the reaction is... Endothermic
When the system loses heat the reaction is... Exothermic
Known as "c" in equations (2 words) Specificheat
Amount of heat needed to increase the temperature of an object by 1 degree Celsius (2 words) Heatcapacity
Measurement of the heat flow into or out of the system Calorimetry
Insulated object used in calorimetry experiments Calorimeter
(H) ΔH measures the change in this Enthalpy
A chemical equation that includes the enthalpy change as either a reactant or product Thermochemical
Known as ΔH (3 words) Heatofreaction
Heat of reaction for burning one mole of a substance (3 words) Heatofcombustion
The molar heat of ___ is theheat absorbed by a solid object as it melts fusion
The molar heat of ___ is the heat lost by one mole when a liquid solidifies solidification
The molar heat of ___ is the amount of heat needed to vaporize a liquid vaporization
The change in H caused by dissolution (4 words) Molarheatofsolution
(q) Always flows from warm to cold Heat

Chemical Reactions crossword

Type
Crossword
Description

The process by which 1 or more substances change to produce 1 or more different substances Chemical Reaction
A solid that is produced as result of a chemical reaction in solution. Precipitate
A combination of chemical symbols and numbers to represent a substance. Chemical formula
The substances that form in a chemical reaction product
A substance or molecule that participates in a chemical reaction. Reactant
A chemical reaction that requires heat. Endothermic reactoin
A substance that slows down or stop a chemical reaction. Inhibitor
A chemical reaction in which heat is released to the surrounding Exothermic reaction
A reaction in which 2 or more substances combine to form a new compound. Synthesis reaction
The minimum amount of energy required to start a chemical reaction. Activation energy

Stoichiometry and Chemical Reactions Crossword

Type
Crossword
Description

The ratio of the actual yield to the theoretical yield shown as a percent. Percent Yield
A chemical substance that is present at the beginning of a chemical reaction. Reactant
The quantitative relationship between two or more substances especially in processes involving chemical or physical change. Stoichiometry
A chemical substance formed as a result of a chemical reaction. Product
A reactant in a chemical reaction that determines the amount of product that is formed. Limiting Reactant
The reactant in a chemical equation with a greater amount than necessary to react completely with the limiting reactant. Excess Reactant
A process in which one or more substances are changed into others. Chemical Reaction
One element replaces another element in a compound. Single Replacement
Two or more substances combine to form a new compound. Synthesis
A compound decomposes into two or more simpler substances. Decomposition
A representation of a chemical reaction that uses symbols to represent the relationship between the reactants and the products. Chemical Equation
A unit of amount, the amount of a substance containing 6.02x10^23 entities. Moles
Used in a chemical equation to determine mole ratios. Coefficients
The mass of one mole of a substance. Molar Mass
A substance that changes the rate of a chemical reaction without being used up or changed very much. Catalyst
A chemical reaction where heat is released to it's surroundings. Exothermic
A combination of chemical symbols and numbers to represent a substance. Chemical Formula
A chemical reaction that needs heat. Endothermic
The smallest amount of energy needed to start a chemical reaction. Activation Energy
What holds individual atoms of compounds together. Chemical Bonds

chemical reaction Crossword

Type
Crossword
Description

1.a substance that increases the rate of a chemical reaction without itself undergoing any permanent chemical change. catalyst
a process that leads to the transformation of one set of chemical substances to another chemical reaction
is a measure of energy in a thermodynamic system. enthalpy
not forming a homogeneous mixture when added together immiscible
amount concentration or substance concentration molarity
an inorganic acid whose molecules contain oxygen, such as sulfuric or nitric acid oxyacid
3.a mixture in which particles are dispersed throughout the bulk of a fluid suspension
any chemical compound formed from the reaction of an acid with a base, with all or part of the hydrogen of the acid replaced by a metal or other cation. salt
able to be dissolved, especially in water soluble
able to be dissolved, especially in water solute
2.a liquid mixture in which the minor component (the solute) is uniformly distributed within the major component (the solvent solution
able to dissolve other substances: solvent
a coefficient is a multiplicative factor in some term of a polynomial, a series or any expression; it is usually a number, but in any case does not involve any variable of the expression. coefficent
chemical reaction between a fuel and an oxidant combustion
accompanied by or requiring the absorption of heat. The opposite of exothermic. endothermic
accompanied by the release of heat. The opposite of endothermic. exothermic
cause to be depositied in solid form from a soultion precipitate
a substance that takes part in and undergoes change during a reaction reactants
are the species formed from chemical reactions products
is a chemical reaction that results in an equilibrium mixture of reactants and products. reversible reaction

Endothermic and Exothermic Reactions Crossword

Type
Crossword
Description

This type of reaction gives off heat, to increase the temperature_________ Exothermic Reaction
This type of reaction takes in heat, to decrease the temperature _________ Endothermic Reaction
An example of an exothermic reaction is _________ Burning wood
An example of an endothermic reaction is __________ vinegar and baking soda
chemical reactions involve breaking ________ bonds
Chemical reactions involve forming new bonds on the ___________________ side products
It takes ____________ to break bonds energy
Energy is ____________ when new bonds form in the products released
In an exothermic reaction, it takes ________ energy to break bonds of the reactants less
In an endothermic reaction, it takes _______ to break bonds more
Chemical reactions occur when a ______ ____________ is formed through a reaction new substance
How can you remember what endothermic means? in means goes into something
How can you remember what exothermic means Exo means to exit, like exits heat