Chemical Reactions Crossword

A material that decreases the rate of a reaction
A change in a substance that does not involve a change in the identity of the substance
A change in matter that produces one or more new substances
substances that undergo the chemical changes
a solid that forms from liquids during a chemical reaction precipitate the energy released as the products form is greater than the energy required to break the bonds of the reactants
the energy released as the products form is greater than the energy required to break the bonds of the reactants
more energy is required to break the bonds of the reactants than is released by the formation of the products
a way to show a chemical reaction, using symbols instead of words
Matter is neither created nor destroyed
matter can enter from or escape to the surroundings
matter is not allowed to enter or leave
A number placed in front of a chemical formula in an equation
when two or more elements or compounds combine to make a more complex substance
A chemical reaction that breaks down compounds into simpler products.
When one element replaces another in a compound, or when two elements in different compounds trade places
the minimum amount of energy required to start a chemical reaction
the amount of a substance in a given volume
increases the reaction rate by lowering the activation energy needed catalyst A type of protein that speeds up a chemical reaction in a living th
A type of protein that speeds up a chemical reaction in a living thing
a substance that forms in a chemical reaction