Physical or Chemical?
A chemical reaction
What is a process that produces chemical change?
Substances that react
What is reactants?
Energy released
What is atoms form by sharing,losing,gaining electrons?
Atoms in reactants converted into products
What is law of conservation of mass?
Balancing of chemical equations
What is law conservstion of mass
Physical change
What is changes in the substances apperance or state?
The right side of a chemical equation (RAP)
What is products?
Energy absorbed
What is endothermic and exothermic reactions?
Considered to be the first modern chemist
Who is Antoine Lavoisier?
Not all chemical equations are balanced
What is an example of hydrogen sulfide reacts to silver tarnishes?
When liquid turns to solid
What is physical change?
Mixing vinegar and baking soda
What is chemical reation?
Hydrogen and oxygen combine to from water
What is 2H2+ O2->2H2O+energy?
Like mathematical equations
What are chemical equations?
Silver+Hydrogen sulfide->
What is Silver sulfide+Hydrogen?
Newspaper burning
What is a chemical change?
Found on the left side of a chemical equation (RAP)
What is reactants?
2H2O + energy -> 2H2 + O2
What is a balanced equation?
What are equal numbers and kinds of atoms on both sides of the equation?
2Ag+H2S->
What is Ag2S+H2?
The reaction of of silver nitrate and sodium
What is forms solid silver chloride and liquid sodium nitrate?
Sodium bicarbonate
What is the compound for baking soda?
Several types of reactions that release chemical energy
What is exothermic reaction?
The reactant side and product side
What is every atom shows up on each side?
Coefficients
What are numbers placed before formulas?