Colegio San PatricioName _____________________________________ Date ___________________
TYPE A
1.- Classify the following reactions as exothermic or endothermica) N2 + O2 + E NOb) H2 + N2 NH3 + E
2.- Rewrite the following as chemical equation:
a) Aluminum oxide reacts with carbon to form aluminum metal and carbon dioxide gas
b) Aqueous solutions of K2SO4 and barium chloride react to form a precipitate of BaSO4 and a solution of potassium chloride
c) Calcium carbonate (CaCO3) decomposes when burned to produce carbon dioxide gas and calcium oxide solid
d) Hydrogen peroxide (H2O2) decomposes in presence of MnO2 as a catalyst to form liquid water and oxygen gas
3.- Name the following compounds.a) NaHCO3 c) Ca(NO3)2
b) K2SO4 d) Al(C2H3O2)3
Colegio San PatricioName _____________________________________ Date ___________________
TYPE B
1.- Classify the following reactions as exothermic or endothermica) SO2 + O2 SO3 + Eb) CaCO3 + E CaO + CO2
2.- Rewrite the following as chemical equation:
a) Nitrogen monoxide gas and oxygen gas react to form nitrogen dioxide gasb) Carbon monoxide gas and oxygen gas react in the presence of platinum as a catalyst to form carbon dioxide gas.c) Solutions of AgNO3 and potassium chloride react to form a solution of KNO3 and a precipitate of AgCld) C2H2 burns with oxygen gas to form carbon dioxide gas and water vapor
3.- Name the following compounds.a) MgCO3 c) Li2Cr2O7
b) Na2SO3 d) KCN
Colegio San PatricioName _____________________________________ Date ___________________
TYPE C
1.- Classify the following reactions as exothermic or endothermica) KClO3 + E KCl + O2b) H2 + N2 NH3 + E
2.- Rewrite the following as chemical equation:
e) Aqueous solutions of KOH and FeCl3 react to form a precipitate of Fe(OH)3 and a solution of potassium chloride
f) Magnesium carbonate (MgCO3) decomposes when burned to produce carbon dioxide gas and magnesium oxide solid
g) Hydrogen peroxide (H2O2) decomposes in presence of MnO2 as a catalyst to form liquid water and oxygen gas
h) Phosphorus reacts with liquid bromine to produce aluminum bromide
3.- Name the following compounds.a) KHCO3 c) MgNO3
b) Li2SO4 d) Ba(C2H3O2)2
Colegio San PatricioName _____________________________________ Date ___________________
TYPE D
1.- Classify the following reactions as exothermic or endothermica) SO2 + O2 SO3 + Eb) CaCO3 + E CaO + CO2
2.- Rewrite the following as chemical equation:
a) Nitrogen dioxide gas and liquid water react to form HNO3 solution and nitrogen monoxide gasb) Carbon monoxide gas and oxygen gas react in the presence of platinum as a catalyst to form carbon dioxide gas.c) Aqueous solutions of KOH and FeCl3 react to form a precipitate of Fe(OH)3 and a solution of potassium chlorided) Calcium carbonate (CaCO3) decomposes when burned to produce carbon dioxide gas and calcium oxide solid
3.- Name the following compounds.a) CaCO3 c) K2Cr2O7
b) Li2SO3 d) Al(OH)3
Top Related