vocabulary that matters
When the number of atoms is equal on each side we say that the equation is this.
What is a balanced chemical equation?
In chemical reactions, the -> symbol stands for this.
What is YIELD / or "turn into" "produce"?
When the number of atoms are equal on both sides of the equation, this law has been fulfilled.
What is the Law of Conservation of Mass/Matter?
If there is one product in your equation, then you have this type of reaction.
What is a synthesis/combination reaction?
Elements form compounds to satisfy this characteristic.
What is the octet rule?
When an element occurs naturally with a subscript of 2 it is called this.
What is a diatomic molecule?
When heat is produced or light is emitted, this reaction is likely...(endo / exo) thermic
What is an exothermic reaction?
This term is used to help balance chemical equations.
What are coefficients?
This chemical reaction has the generic formula of: AB --> A + B
What is a decomposition reaction?
This is used to help determine the products of single replacement reactions.
What is an activity series table?
In the chemical reaction, Mg + O -> MgO, the compound MgO is located on this side of the equation. R/P
What is the product side?
Balance the following chemical equation.
Fe + O2 --> Fe2O3
4 Fe + 3O2 --> 2Fe2O3
A combustion reaction has these 3 things in every combustion reaction
What are hydrocarbons (or oxygen), carbon dioxide, and water?
Define an insoluble solution.
What is a solution that forms a precipitate (solid)?
This material state refers to a substance that has been dissolved in water.
What is an aqueous solution? or soluble?
The total enthalpy of a reaction was +229 kJ/mol. This reaction was...
What is endothermic?
Balance the following equation.
Li + Br2 --> LiBr
2Li + Br2 --> 2LiBr
This reaction could be classified as... 2Na + 2H2O --> 2NaOH + H2
What is a single replacement reaction?
Fill in the blanks: chemical potential energy is ____ _____ _ _____ ______. It takes energy to ____ bonds. It releases energy to ____ bonds.
What is energy stored in chemical bonds? What is Break? What is Make?
In a reaction, 1859 kJ/mol was absorbed and 1760 kJ/mol was released. This reaction was...
Balance the following equation.
C6H6 + O2 --> CO2 + H2O
2C6H6 + 15O2 --> 12CO2 + 6H2O
Please list each type of reaction, give a real example of each type, and balance each equation
Ca + S --> CaS, synthesis 2AlN --> 2Al + N2, decompostion CH4 + 2O2 --> CO2 + 2H2O, combustion 2KI + Cl2 --> 2KCl + I2, single replacement Pb(NO3)2 + 2NaI --> 2NaNO3 + PbI2, double displacement
Balance the following equation. (NH4)3PO4 + Mg(NO3)2 --> Mg3(PO4)2 + NH4NO3
2(NH4)3PO4 +3Mg(NO3)2 --> Mg3(PO4)2 + 6NH4NO3