Chemical Reactions
In a chemical reaction the substances to the right of the arrow are called?
What is products?
In the formula 5CaSO4, this is the number of oxygen atoms.
What is 20?
A substance that enters a chemical reaction is called this.
What is a reactant?
A metal and non-metal form this type of compound.
What is an ionic compound?
This was an element that gained electrons and now has a negative charge.
What is an anion?
water -> hydrogen + oxygen
... is an example of this type of reaction.
What is an example of a decomposition reaction?
What kind of reaction is the following equation A + B -> AB
What is a synthesis reaction?
Write the formula for the compound Phosphorus Pentachloride
What is PCl5
What reactions switches partners in the reactants to get new compounds in the products?
What is a double replacement reaction?
What reactions produces water and carbon dioxide?
Combustion
In the formula C3H8 + 5O2 ----> 4H2O + Heat how many hydrogen are in the products?
What is 8
Name the molecular compound CO2
What is Carbon Dioxide
CH4 + 2O2 --->CO2 + H2O is an example of what kind of reaction?
What is combustion reaction
Name the Ionic compound Na2S
What is Sodium Sulfide
State the Law of Conservation of Energy.
What is that energy can not be created or destroyed in a chemical reaction?
When balancing an equation, these numbers can not be changed.
What is a subscript?
What is an element that has lost electrons and now has a positive charge?
what is a cation
The equation AB---> A + B is what kind of reaction?
What is decomposition
The reaction 2HgO ---> 2Hg + O is an example of this type of reaction.
What is decomposition?
AgNO3 + NaCl -> AgCl + NaNO3
is an example of this type of reaction.
What is an example of a double displacement reaction?
DOUBLE JEOPARDY
Balance the following chemical equation:
H2 + NaCl --> 2HCl + NaH
2H2 + 2NaCl --> 2HCl + 2NaH
ammonia + hydrogen chloride -> ammonium chloride + hydrogen
... is an example of this type of reaction.
What is a single replacement reaction?
This type of reaction occurs when an element replaces another element in a compound, producing a new compound and a new element.
What is a single replacement reaction?
DOUBLE JEOPARDY
Balance the reaction: Na + H2O --> NaOH + H2
What is 2Na + 2H2O --> 2NaOH + H2
What is the difference between and Endothermic and Exothermic reaction?
What is endothermic reaction takes in heat and an exothermic reaction releases heat