Balancing Act
____ C + ____ H2 → ____ CH4
__1__ C + __2__ H2 → __1__ CH4
SO3 → SO2 + O2
What is a decomposition reaction?
MgBr2 + Cl2 → ___ + ____
MgBr2 + Cl2 → _MgCl2__ + _Br2___
A reaction that absorbs heat.
What is and endothermic reaction?
It's the signified by the coefficients in a balanced equation, or the unit chemists use to keep track of amounts of chemicals.
What is a mole?
____ Al + ____ O2 → ____ Al2O3
__4__ Al + __3__ O2 → __2__ Al2O3
MgBr2 + AgNO3 → AgBr + Mg(NO3)2
What is a Double Replacement Reaction?
H2O → ___ + ____
H2O → _H2__ + _O2___
List 4 signs that a chemical reaction has occurred.
Any 4 of the following: Light created, Change in smell, change in color, change in temperature, sound produced, Gas created
It's the mole ratio of aluminum chloride to chlorine gas in the following reaction:
2AlCl3 🡪 2Al + 3Cl2
What is 2:3?
____ Au2O3 → ____ Au + ____ O2
__2__ Au2O3 → __4__ Au + __3__ O2
I2 + Na2S → NaI + S
What is a single replacement reaction?
C2H6 + O2 → ___ + ____
C2H6 + O2 → _H2O__ + _CO2___
This is the amount of energy required to start a reaction, or the amount of energy needed when 2 reactant particles collide in order to form new products.
What is activation energy?
It's the number of liters in 1 mole of any gas.
What is 22.4 liters?
____ La + ____ I2 → ____ LaI3
__2__ La + __3__ I2 → __2__ LaI3
HBr + KOH → KBr + H2O
What is a Neutralization Reaction?
Na + O2 → ___
Na + O2 → _Na2O__
List all 7 diatomic molecules
Hydrogen, Nitrogen, Fluorine, Oxygen, Iodine, Chlorine, Bromine
It's the amount of moles of chlorine produced in the following reaction if 3 moles of AlCl3 react:
2AlCl3 🡪 2Al + 3Cl2
What is 4.5 moles?
___ FeCl3 + ____ NaOH → ____ Fe(OH)3 + ____ NaCl
_1__ FeCl3 + __3__ NaOH → __1__ Fe(OH)3 + __3__ NaCl
C2H4 + O2 → C2H4O
What is a combustion reaction?
AlPO4 + BaO → ___ + ___
AlPO4 + BaO → _Al2O3__ + _Ba3(PO4)2__
List 4 ways to increase reaction rate.
Increase surface area of reactants, increase concentration of reactants, add a catalyst, increase the temperature.
It's the amount of moles of water you can produce if you react 3 moles of C2H6 with plenty of oxygen.
2C2H6(g) + 7O2(g) → 4CO2(g) + 6H2O(l)
What is 9 moles of H2O?