Type
Crossword
Description

process that produces chemcial change, resulting in new substances that have properties different from those of the original substances chemical reaction
substance that exists before a chemical reaction begins reactant
substance that froms as a result of a chemical reaction product
shorthand form of writing what reactants are used and what products are formed in a chemical reaction; sometimes shows whether energy is produced or absorbed chemical equation
chemical reaction in which heat energy is absorbed endothermic reaction
chemical reaction in which heat energy is released exothermic reaction
minimum amount of energy needed to start a chemical reaction activation energy
measure of how fast a chemical reaction occurs rate of reaction
describes how much solute is present in a solution compared to the amount of solvent concentration
substance that speeds up a chemical reaction but is not used up itself or permanently changed catalyst
a type of protein that regulates chemical reactions in cells without being changed or used up itself enzyme
substance that slows down a chemical reaction, making the formation of a certain amount of product take longer inhibitor

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 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

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 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

chapter 14 crossword puzzle

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 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

Chemical Formulas and Chemical Reactions Crossword

Type
Crossword
Description

representation of what elements a compound contains and the exact number of the atoms of each elements in a unit of the compound Chemical Formula
a change in which one or more substances are converted into new substances while energy is released or absorbed Chemical Reaction
a way to describe a chemical reaction using chemical formulas and other symbols Chemical Equation
the chemicals presented before a reaction Reactants
the new chemicals presented after a reaction Products
a number that represents the number of units of each chemical taking part in a reaction Coefficient
means "written below" Subscript
the amount of valence electrons gained or lost between metals and nonmetals to become stable Oxidation Number
when water is the solvent for a reaction aqueous
an insoluble compound that comes out of solution during a double-displacement reaction precipitate
a chemical reaction that absorbs energy primarily in the form of heat endothermic
a reaction in which the energy released is in the form of heat exothermic
a reaction that occurs when a substance reacts with oxygen to release energy in the form of heat and light combustion reaction
a chemical reaction in which two or more substances combine to form another substance synthesis reaction
a chemical reaction in which one substance breaks down into two or more substances decomposition reaction
a chemical reaction in which one element replaces another element in a compound single-displacement reaction
a chemical reaction in which the positive ion of one compound replaces the positive ion of another compound double-displacement reaction

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

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