Types of Chemical Rxns
What type of chemical reaction is represented by the equation: A + B -> AB?
Synthesis
Write the chemical formula for sodium chloride.
NaCl
What is the chemical name for H2O?
Water
How many valence electrons does Hydrogen have?
One.
What is a reactant is in a chemical reaction
Substances that participate in the chemical reaction to form products.
In a combustion reaction, what are the typical products formed?
H2O + CO2
What is the chemical formula for sulfate?
SO4
Provide the chemical name for NaCl
Sodium chloride
Carbon has ___ valence electronics.
4
Explain the difference between exothermic and endothermic reactions.
Exothermic releases energy/heat. Endothermic absorbs energy/heat
What is a double replacement reaction?
When two substances exchange to form two new compounds. AB + CD --> AD + CB
Write the chemical formula of hydroxide.
OH
Name the compound with the chemical formula Al(PO4).
Aluminum phosphate
Selenium has ___ valence electrons.
6.
Explain the concept of a chemical equilibrium in a reaction.
The Law of Conservation of Mass
Describe what happens in a decomposition reaction.
The break down of one compound into two or more substances. "The Breaking down of a compound"
Write the chemical formula for iron (III) oxide
Fe2O3
What is the name of the covalent chemical compound CCl4
carbon tetrachloride
What is the octet rule?
Substance that speeds up a reaction.
Identify the type of chemical reaction that occurs in the equation: 2H₂ + O₂ -> 2H₂O.
Synthesis
Write the chemical formula for calcium carbonate
CaCO3
What is the name of the ionic chemical compound CuBr?
Copper (I) bromide
How many valence electronics does Helium have?
one.
What is an Ionic bond?
Bond that transfers electrons. Cations + Anions