clearly and is used in the ionic equation. 1-easy One would use a 7) Why you use a net ionic equation? net ionic equation when they want to find out how a precipitate came about and look closely at some of the ions in the reaction. 2-medium ions” are the 8) Define the term ions.” “Spectator “spectator ions that are disregarded in the net equation because they don’t directly help/stay present in the reaction. 9) Explain precipitation in terms of a chemical reaction. Precipitation is when a solid forms in a reaction. 1-easy Solubility is the ability of a product 10) Define “solubility.” to dissolve, requires a chemical reaction 1-easy 11) What’s the relation between oxidation-reduction Combustion reactions and combustion reactions? reactions are a specific type of oxidation-reduction reactions. 2-medium 12) State whether the following reactions are synthesis, decomposition, or combustion reactions: decomposition a) 2H2O(l) 2H2(g)+O2(g)  synthesis 2-medium b) 2Na(s)+Cl2(g) 2NaCl(s)  c) C3H8(g) +5O2(g) 3CO2(g) + 4H2O(g)  combustion 2-medium
clearly and is used in the ionic equation. 1-easy 7) Why you use a net ionic equation? One would use a net ionic equation when they want to find out how a precipitate came about and look closely at some of the ions in the reaction. 2-medium 8) Define the term “spectator ions.” “Spectator ions” are the ions that are disregarded in the net equation because they don’t directly help/stay present in the reaction. 9) Explain precipitation in terms of a chemical reaction. Precipitation is when a solid forms in a reaction. 1-easy 10) Define “solubility.” Solubility is the ability of a product to dissolve, requires a chemical reaction 1-easy 11) What’s the relation between oxidation-reduction reactions and combustion reactions? Combustion reactions are a specific type of oxidation-reduction reactions. 2-medium 12) State whether the following reactions are synthesis, decomposition, or combustion reactions: a) 2H2O(l)  2H2(g)+O2(g) decomposition b) 2Na(s)+Cl2(g)  2NaCl(s) synthesis 2-medium c) C3H8(g) +5O2(g)  3CO2(g) + 4H2O(g) combustion 2-medium
SAS_HC_CR_Chap_8_PracProb_Groner_Edit_Green.docx