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Marcone Unit 10 Chem
Chemical Reactions test study guide
| Question | Answer |
|---|---|
| Reactants are on what side of the chemical equation? | the left |
| Products are on what side of the chemical equation? | The right |
| -> means (hint: this indicates the result of a reaction) | yields |
| -> on top of <- means a | reversible reaction |
| (s) means a | solid |
| down arrow means (also an alternative to s but...) | a precipitate |
| (l) means a | A liquid |
| (aq) means an | aqueous solution |
| (g) means a | gas |
| up arrow means a | gaseous product |
| What can you put above the yield arrow to show that a reactant is heated? | a triangle or heat |
| What do you put to indicate the pressure at which a reaction is carried out (other than normal 1 atm pressure)? (hint: it also goes above the yield arrow) | __atm |
| What do you put to indicate that the pressure at which a reaction is carried out exceeds normal atmospheric pressure? (hint: it goes above the yield arrow) | pressure |
| What do you put above the yield arrow to show a specific temperature used? | __degrees celcius |
| What do you put above the yield arrow to show a catalyst? | its chemical formula |
| what are the 7 diatomic elements (meaning that they are written as 2 (or a diatomic molecule) in a CHEMICAL REACTION BY ITSELF)? | hydrogen, oxygen, nitrogen, bromine, fluorine, iodine, chlorine |
| Coefficients go where? | in front of chemical formulas |
| What do coefficients do? | balance the chemical equation |
| What is the general form of a synthesis (also called composition or combination) reaction? | A+B --> AB |
| Synthesis reactions are the only ones in which one ___ is formed? | product |
| element + element -> | binary Ionic compound |
| metal oxide + water -> | metal hydroxide |
| nonmetal oxide + water -> | oxyacid |
| metal oxide + nonmetal oxide -> | a salt (cation + anion) |
| What is the general form of a decomposition reaction? | AB-->A+B |
| Decomposition reactions are the only ones in which one ___ is used? | reactant |
| binary ionic compounds -> | elements |
| metal hydroxide -> | metal oxide + water |
| metal carbonate -> | metal oxide + carbon dioxide |
| metal chlorate -> | metal chloride + oxygen |
| Reactants are on what side of the chemical equation? | the left |
| Products are on what side of the chemical equation? | The right |
| -> means (hint: this indicates the result of a reaction) | yields |
| -> on top of <- means a | reversible reaction |
| (s) means a | solid |
| down arrow means (also an alternative to s but...) | a precipitate |
| (l) means a | A liquid |
| (aq) means an | aqueous solution |
| (g) means a | gas |
| up arrow means a | gaseous product |
| What can you put above the yield arrow to show that a reactant is heated? | a triangle or heat |
| What do you put to indicate the pressure at which a reaction is carried out (other than normal 1 atm pressure)? (hint: it also goes above the yield arrow) | __atm |
| What do you put to indicate that the pressure at which a reaction is carried out exceeds normal atmospheric pressure? (hint: it goes above the yield arrow) | pressure |
| What do you put above the yield arrow to show a specific temperature used? | __degrees celcius |
| What do you put above the yield arrow to show a catalyst? | its chemical formula |
| what are the 7 diatomic elements (meaning that they are written as 2 (or a diatomic molecule) in a CHEMICAL REACTION BY ITSELF)? | hydrogen, oxygen, nitrogen, bromine, fluorine, iodine, chlorine |
| Coefficients go where? | in front of chemical formulas |
| What do coefficients do? | balance the chemical equation |
| What is the general form of a synthesis (also called composition or combination) reaction? | A+B --> AB |
| Synthesis reactions are the only ones in which one ___ is formed? | product |
| element + element -> | binary Ionic compound |
| metal oxide + water -> | metal hydroxide |
| nonmetal oxide + water -> | oxyacid |
| metal oxide + nonmetal oxide -> | a salt (cation + anion) |
| What is the general form of a decomposition reaction? | AB-->A+B |
| Decomposition reactions are the only ones in which one ___ is used? | reactant |
| binary ionic compounds -> | elements |
| metal hydroxide -> | metal oxide + water |
| metal carbonate -> | metal oxide + carbon dioxide |
| metal chlorate -> | metal chloride + oxygen |
| oxyacid -> | nonmetal oxide + water |
| What is the general form of a single replacement reaction? | A + BX-->B + AX |
| An active metal replaces _ in a compound | another metal |
| An active metal will replace _ in an acid | H (hydrogen) |
| An active halogen will replace _ in a compound | another halogen |
| an active metal + water -> | metal hydroxide +hydrogen |
| You have to check to see if a single replacement reaction can work with what? | the activity series |
| An element on the activity series can replace any element below it but not... | above it |
| What do you write if a single replacement reaction doesn't take place? (hint: it goes on the product side) | no reaction |
| What is the general form of a double replacement reaction? | AX + BY--> AY + BX |
| What types of formations can a double replacement reaction make? | precipitate, water, and gas |
| What is a precipitate? | an insoluble compound |
| how is water made from a double replacement reaction? | neutralization (acid + base) |
| What do you use to see if a double replacement reaction has a precipitate? | solubility rules |
| How do you identify a combustion reaction? (x,y, and z are subscripts) | by a hydrocarbon (CxHy) or a carbohydrate (CxHyOz) |
| What do the identifiers of a combustion reaction burn in the presence of? | oxygen |
| What are ALWAYS the products of a combustion reaction? | CO2 (carbon dioxide) and H2O (water) |
Created by:
Carol251
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