Name a conservation law used in balancing chemical equations
Conversation of Energy
Is this equation balanced?
H2 + Br2 = 2HBr2
Is this equation balance?
4Al + S2 = 2Al2S3
When balancing equations, what's one thing we can't change?
Subscripts
What type of reaction involves the creation of a new substance?
Synthesis
What type of reaction involves breaking down a compounds to simple products?
Decomposition
What's a technique for balancing Combustion equations?
Put a 2 in front of Carbon
Balance C, than H, and O last
What type of reaction has a reactant swap places in the product?
Single Replacement
What is Activation Energy?
Aside from energy, what else do we need to have to start a reaction,
Correct orientation
What type of reaction involves multiple reactants swapping places in the products.
Double Replacement
What's the difference between Exothermic and Endothermic Reactions?
Exothermic releases energy, Endothermic absorbs energy.
Show the balanced reaction for:
C2H6 + O2 = H2O + CO2
2C2H6 + 7O2 = 6H2O + 4CO2
What type of reaction involves Carbon, Hydrogen, and Oxygen?
Combustion
What are the 4 ways to increase the rates of reactions?
Increase temperature, Increase Concentration, Decrease particle Size, Use a Catalyst.