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Chapter 11

Chapter 11: Chemical Reactions

QuestionAnswer
Equations that show just the formulas of the reactants and products are called what? skeleton equations
How do you write a skeleton equation? first write the chemical formulas for the reactans to the left of the yields sign and then write the products to the right.
What is a catalyst? a substance that speeds up the reaction but is not used up in the reaction.
What is a combination reaction? a chemical change in which two or more substances react to form a single new substance.
What is a decomposition reaction? a chemical change in which a single compound breaks down into two or more simpler products.
A chemical change in which one element replaces a second element in a compound is known as what? single-replacment reaction
What is the activity series? a list of metals in order os decreasing reactivity
A chamical change involving an exchange of positive ions between two compounds is know as what? double-replacment reactions
Define: Combusyion reaction a chemical change in which an element or a compound reacts with oxygen, often producing energy in the form of heat or light
What does a net equation show? only those particles involved in the reaction and is balanced with respect to both mass and chanrge.
What is a specator ion? an ion that appears on both sides of an equation and is not directly involved in the reaction
The net ionic equation is what? the equation for a reaction in solution that shows only those particles that are directly involved in the chemical change.
How can you predict the formation of a precipitate in a double-replacement reaction? by using the general rules of ionic compounds, you can predict the formation of a precipate
What reaction involves only one reactant but two or more products? decomposition reaction
Created by: jmhschemistry