Vocab
A reaction in which oxygen reacts to create heat or light.
What is a combustion reaction?
What is a process that produces chemical change?
What is a chemical reaction?
(s)(l)(g)
What is Solid liquid and gas?
Fill the blank with the correct reactant:
CH4 + _________ → CO2 + 2 H2O
What is Oxygen (O2)?
In the formula 5CaSO4, this is the number of oxygen atoms.
What is 20?
A reaction in which 2 or more substances combine to form a single substance.
What is a synthesis reaction?
When liquid turns to solid.
What is a physical change?
(aq)
What is dissolved in water? or What is aqueous?
This was an element that gained electrons and now has a negative charge.
What is anion?
During a chemical reaction chemical bonds can be formed when electrons are shared, gained, or lost. T/F
What is true?
A reaction in which 1 substance is turned into 2 or more substances.
What is a decomposition reaction?
Newspaper burning.
What is a chemical change?
What are numbers placed before formulas?
What are coefficients?
AgNO3(aq) + NaCl(aq) -> AgCl(s) + NaNO3(aq)
is an example of this type of reaction.WHICH KIND OF REACTIONS.
What is a double displacement reaction?
An increase in temperature does this to a reaction rate.
What is increases?
Atoms of 1 element replace the atoms of a second element.
What is a single replacement reaction?
DOUBLE JEOPARDY!!!!!!!!!!!!!
Several types of reactions that ABSORB chemical energy
What is an endothermic reaction?
A metal and non-metal form this type of compound.
What is an ionic compound?
What is the type of the following chemical reaction?
H2 + O2 -------> H2O
What is synthesis?
A DECREASE IN THE SURFACE AREA does this to a reaction rate is
What is decrease?
A reaction where the + ions of 2 compounds switch.
What is a double replacement reaction?
Several types of reactions that RELEASE chemical energy
What is an exothermic reaction?
During a chemical reaction,
A. New elements are produced.
B.elements are destroyed.
C. Atoms are rearranged.
What is C?
DOUBLE JEOPARDY!!!!!!!!!!!!!
Give three examples that a chemical change has taken place.
What is temperature change,
color change,
odor change,
formation of a precipitate,
formation of a gas?
DOUBLE JEOPARDY!!!!!!!!!!!!!
IF WE ADD A CATALYST TO A REACTION, HOW DOES THE REACTION SPEED CHANGE?
What is increase?