Starts with one reactant
What is decomposition?
The coefficients for: __ HCl -> __ H2 + __ Cl2
What are 2, 1, 1?
Heat is released
What is an exothermic reaction?
Reactants: CH4 + O2
Products = ?
What are CO2 + H2O?
The part of an atom involved in chemical reactions
What are valence electrons?
What is synthesis?
The coefficients for: __ Na2O -> __ Na + __ O2
What are 2, 4, 1?
When entropy increases and/or enthalpy decreases
What is a reaction is spontaneous?
Reactants: Al + O2
Products = ?
What is Al2O3?
The diatomic elements
What are H, O, F, Br, I, N, and Cl?
The products of a combustion reaction
What are CO2 and H2O?
What is the law of conservation of mass?
Increases a reaction's rate without being used up
What is a catalyst?
Reactants: NaI
Products = ?
What are Na + I2?
The phase of CaO at room temperature
What is a solid?
2 compounds react to form 2 new compounds
What is double replacement?
The coefficients for: __ HNO3 + __Fe(OH)3 🡪 __ H2O + __Fe(NO3)3
What are 3, 1, 3, 1?
The reactants have more potential energy than the products
What is an endothermic reaction?
Reactants: H2SO4 + NaOH
Products = ?
What are H2O + Na2SO4?
What is a gas?
1 element and 1 compound
The coefficients for: __ C6H14 + __ O2 -> __ CO2 + __ H2O
What are 2, 19, 12, 14
What is an endothermic reaction?
Reactants: Na + H2O
Products = ?
What are NaOH + H2?
What is a precipitate?