Burning, rust, photosynthesis
State a couple examples of chemical reactions
Is a phase change a chemical reaction?
Color change, bubbling, energy change, solid formation
What are the indicators that a chemical reaction has taken place?
The atoms break down, rearrange, then a new substance is formed
What happens in terms of bonding in a chemical reaction?
What is a precipitate
Color change, temperature change, light, sound, smoke
If a firework goes off, a chemical reaction took place. Which of the indicators are present with the firework?
A combination of chemical symbols and numbers to represent a substance
What is a chemical formula
A representation of a chemical reaction that uses symbols to show the relationship between the reactants and the products
What is a chemical equation?
What is the formula for carbon tetrachloride?
What is the subscript for chloride in this equation? HCl4
mono, di, tri, tetra, penta
State the prefixes from one to five
Stuff on the left side of a chemical equation
What are reactants?
Stuff on the right side of a chemical equation
What are products?
Mass can't be created or destroyed
What does the Law of Conservation of Mass state?
Synthesis, decomposition, single replacement, and double replacement
What are four different kinds of chemical reactions?
Give the formula for synthesis
Give the formula for decomposition
Give the formula for single replacement
How many atoms of oxygen are in Al2(SO4)3?
Heat goes in
What is an endothermic reaction?
Heat goes out
What is an exothermic reaction?
Crushing, stirring, and melting
What speeds up the rate of a chemical reaction?
Time taken to start a reaction
What is activation energy?
Is the activation energy the same for all substances?
A substance that speeds up a reaction
What is a catalyst
A substance that slows down or stops a reaction
What is an inhibitor?
Any compound that increases the number of hydrogen ions when dissolved in water
What is an acid?
Ay compound that increases the number of hydroxide ions when dissolved in water
What is a base?
Good conductor of electricity, bitter, slippery
What are some characteristics of bases?