Chem Rxn Basics
What symbol represents the word "yield" in a chemical equation?
Arrow sign
When you have a coefficient in front of a compound, you do what math operation to the subscript?
Multiply
Synthesis and decomposition are the (same/opposite) of each other
Opposite
What reference sheet MUST you use when doing Single Replacement reactions?
Activity Series
What are ALWAYS the products of a combustion reaction?
Carbon Dioxide (CO2) and Water (H2O)
What is the right side of a chemical equation called?
What is the name of the rule that must be followed when balancing equations?
Decomposition is when one reactant __________ _______ into two or more products
breaks down/apart
Lithium and Fluorine
What is the element that is all by itself on the reactants side in a combustion reaction?
Oxygen (O2)
What is the left side of a chemical equation called?
Reactants
Balance the following equation:
_ H2 + _ N2 --> _ NH3
Synthesis is when two separate reactants _______ into one product
Forms, combine, yield
Predict the products:
Silver + Calcium Iodide -->
No reaction
Predict the products:
Sodium chloride + Boron fluoride
Boron chloride + Sodium fluoride
What is the term for the numbers in the bottom right hand of a chemical's symbol (ex: H2)
Subscript
Balance the following equation:
_ Ag2O --> _ Ag + _ O2
2 Ag2O --> 4 Ag + O2
Predict the product(s) for the following equation:
Potassium + Oxygen -->
Potassium oxide
Balance the following equation:
_ Al + _ HBr --> _AlBr3 + _ H2
2 Al + 6 HBr --> 2 AlBr3 + 3 H2
Balance the following equation:
_ Al + _ H2SO4 --> _Al2(SO4)3 + _ H2
2 Al + 3 H2SO4 --> Al2(SO4)3 + 3 H2
What is the term for the numbers in front of a chemical's symbol that is used to help balance equations(ex: 2 NaCl)
Coefficient
Balance the following equation:
_ CrO3 --> _ Cr2O3 + _ O2
4 CrO3 --> 2 Cr2O3 + 3 O2
Predict the product(s) for the following equation:
Aluminum chloride -->
Aluminum + Chlorine
Predict the products:
Hydrogen chloride + Magnesium -->
Magnesium chloride + Hydrogen
Balance the following equation:
_ C5H12 + _ O2 -->
C5H12 + 8 O2 --> 5 CO2 + 6 H2O