Parts of a Reaction
What does (g) stand for in an equation?
Gas
What type of reaction is this A+BC--->AB+C
Single Replacement
Law of conservation of mass
How many atoms of oxygen are present? 2Pb(SO4)2
8
Is baking soda and vinegar producing bubbles chemical or physical?
Chemical
What does (l) stand for in an equation?
Liquid
What type of reaction forms when 2 compounds switch places to form 2 new compounds?
Double Replacement
When there is an external change (temp, concentration, pressure), the system works to create balance
Le Chatelier's Prinicple
___ HCl + ___ NaOH ---> ___ NaCl + ___ H2O
Balanced
Is melting ice into water chemical or physical?
Physical
What does (aq) stand for and what does that mean?
Aqueous and "dissolved in water"
Synthesis
The forward reaction and reverse reaction occur at the same rate
Equilibrium
H3PO4 + ___ KOH --> ___ K3PO4 + ___ H2O
1, 3, 1, 3
Is digestion of food chemical of physical?
Chemical
What is on the left side of the arrow in a reaction?
Reactants
What type of reaction is this? Reactants: A compound, Products: 2 simpler elements
Decomposition Reaction
A whole number placed in front of the chemical formula that can be changed when balancing equations
Coefficient
___ Na + ___ O2 --> ___ Na2O
4, 1, 2
If a substance has changed form state or appearance, but hasn't altered the molecular makeup of a substance it is considered...
A physical change
What is the name of the new substance formed when reactants chemically change?
Products
What are the products in a combustion reaction?
Carbon Dioxide and water
The small number written to the right of the chemical formula that cannot be changed
Subscript
__ Na + ___ NaNO3 --> ___ Na2O + ___ N2
10, 2, 6, 1
A solid produced from a chemical reaction with 2 aqueous solutions is known as
A Precipitate