Molar Mass
What's the molar mass of N
14 g/mol
A + B --> AB
synthesis
Determine the # of MOLECULES from 2 moles of NH3
1.2 x 10 24
If you start with 15 grams of KClO3 how many grams of O2 will you make?
2 KClO3 --> 2 KCl + 3 O25.9 g of O2 or 6 g of O2
Law of conservation of mass states?
mass neither created nor destroyed
What's the molar mass of O
16 g/mol
AB + CD --> AD + CB
Double replacement
Determine the number of MOLES from 20 grams of H2SO4
0.2 Mol of H2SO4
How much KClO3 will you need to make 4 X 1024 molecules of KCl?
814.6 or 815 grams of KClO3
breaking chemical bonds requires what?
ENERGY
What is the molar mass of CH4
16 g/mol
When you products are CO2 and H2O
combustion
Determine the number of grams from 9 X 1023 of H2O
27 grams
Determine the number of molecules from 15 grams of CH4
5.6 x 1023
What are the 5 things that increase reaction rate?
Temperature
catalyst
concentration
stirring
surface area
What's the molar mass of H2SO4?
98.1 g/mol
P4 + 3 O2 --> 2P2O3
synthesis
Balance the equation:
____Fe + ____ H2SO4 --> ____Fe(SO4)3 + ____H2
____Fe + __3_ H2SO4 --> ____Fe(SO4)3 + __3__H2
What's the law of conservation of energy?
total amount t of energy before/after the reaction is the same
When water in a closed container reaches an equilibrium between the liquid and gas phases, it is said to be in what?
physical equillibrium
What is the molar mass of C6H12O6?
180 g/mol
2 MgI2 + Mn(SO3)2 --> 2 MgSO3 + MnI4
double replacement
Balance the equation:
___Fe2O3 + ____C --> ____Fe + ____CO2
2 Fe2O3 + 3 C --> 4 Fe + 3 CO2
Combustion reaction always releases heat as on of its products.....it's said the be what?
exothermic
What are the 5 types of chemical reactions?
Decomposition
synthesis
single replacement
double replacement
combustion