Date post: | 05-Jan-2016 |
Category: |
Documents |
Upload: | bertram-gibson |
View: | 215 times |
Download: | 0 times |
WRITING EQUATIONS REVIEW
• In a combustion reaction, one of the reactants is always
• Oxygen Gas (O2)
• In a combustion reaction, one of the products is always
• Water (H2O)
• In every balanced chemical equation, each side of the equation has the same number of _______ of each element.
• ATOMS
• H2O(l) O2(g) + H2(g)
• 2 __ + 2
• Decomposition
• Mg(s) + N2(g) Mg3N2(s)
• 3 + __ __
• Synthesis
• Fe(s) + Cl2(g) FeCl3(s)
• 2 + 3 2
• Synthesis
• Al(s) + O2(g) Al2O3(s)
• 4 + 3 2
• Synthesis
• CaCO3(s) CaO(s) + CO2(g)
• ALREADY BALANCED!
• Decomposition
• NaCl(l) Na(s) + Cl2(g)
• 2 2 + __
• Decomposition
• FeCl2(aq) + Na3PO4(s)
Fe3(PO4)2(s) + NaCl(aq)
• 3 + 2 __ + 6
• Double Replacement
• K (s) + Cl2(g) KCl(s)
• 2 + __ 2
• Synthesis
• HCl(aq) + Ca(OH)2(s) CaCl2(aq) + H2O(l)
• 2 + __ __ + 2
• Double Replacement
• KClO3(s) KCl (s) + O2(g)
• 2 2 + 3
• Decomposition
• AgNO3(aq) + AlCl3(aq) AgCl(s) + Al(NO3)3(aq)
• 3 + __ 3 + __
• Double Replacement
• Na(s) + H2O(l)
NaOH(aq) + H2(g)
• 2 + 2 2 + __
• Single Replacement
• Fe(s) + CuSO4(aq) FeSO4(aq) + Cu(s)
• ALREADY BALANCED!
• Single Replacement
• LiCN(aq) + BaCl2(aq) LiCl(aq) + Ba(CN)2(s)
• 2 + __ 2 + __
• Double Replacement
• NaBr(aq) + Cl2(aq) NaCl(aq) + Br2(l)
• 2 + __ 2 + __
• Single Replacement
• C2H5OH(g) + O2(g) CO2(g) + H2O(g)
• __ + 3 2 + 3
• Combustion
• Sb2S3(s) + Fe(s) Sb(s) + FeS(s)
• __ + 2 2 + 3
• Single Replacement
• C2H6(g) + O2(g) CO2(g) + H2O(g)
• 2 + 7 4 + 6
• Combustion
• C2H2(g) + O2(g) CO2(g) + H2O(g)
• 2 + 5 4 + 2
• Combustion
• CH4(g) + O2(g) CO2(g) + H2O(g)
• __ + 2 __ + 2
• Combustion
F2 Cl2 Br2 I2 H2 N2 O2
• The combustion of propane (C3H8). This is a reaction of propane with oxygen that yields carbon dioxide and water.
• C3H8 + O2 CO2 + H2O
• __ + 5 3 + 4
• COMBUSTION
F2 Cl2 Br2 I2 H2 N2 O2
• The reaction of aluminum bromide with magnesium hydroxide to form aluminum hydroxide and magnesium bromide.
• Figure out your compounds first.• Al 3+ Br – • AlBr3
• Mg 2+ OH - • Mg(OH)2
F2 Cl2 Br2 I2 H2 N2 O2
• The reaction of aluminum bromide with magnesium hydroxide to form aluminum hydroxide and magnesium bromide.
• Al 3+ OH –
• Al(OH)3
• Mg 2+ Br –
• MgBr2
F2 Cl2 Br2 I2 H2 N2 O2
• The reaction of aluminum bromide with magnesium hydroxide to form aluminum hydroxide and magnesium bromide.
• AlBr3 + Mg(OH)2 Al(OH)3 + MgBr2
• 2 + 3 2 + 3
• DOUBLE REPLACEMENT
F2 Cl2 Br2 I2 H2 N2 O2
• Potassium metal and chlorine gas combine to form potassium chloride.
• Figure out your compounds first.
• K+ Cl-
• KCl
F2 Cl2 Br2 I2 H2 N2 O2
• Potassium metal and chlorine gas combine to form potassium chloride.
• K + Cl2 KCl
• 2 + __ 2
• SYNTHESIS
F2 Cl2 Br2 I2 H2 N2 O2
• Hydrogen gas and nitrogen monoxide react to form water and nitrogen gas.
• H2 + NO H2O + N2
• 2 + 2 2 + __
• SINGLE REPLACEMENT
F2 Cl2 Br2 I2 H2 N2 O2
• The decomposition of hydrogen peroxide (H2O2) to form water and oxygen.
• H2O2 H2O + O2
• 2 2 + __
• Decomposition
• The reaction Fe(s) + O2(g) Fe2O3(s) is an example of a:
• ____________________ reaction.
•
• Mg(s) + HCl(aq) MgCl2(aq) + H2(g)
• The above reaction is a __________________________ reaction.
• In what type of reaction is water often a product?
The reaction 2Fe + 3Cl 2FeCl is which type of reaction?
•
•The equation 2HgO 2Hg + O2 is an example of which type of reaction?
•
• Balance the skeleton equation.
•
• AlCl + NaOH Al(OH) + NaCl
•
•
• Balance Fe + Cl FeCl
• Do the following statements happen in all chemical reactions? (Yes or No)
• The bonds of the reactants are broken and new bonds of the products are formed. _______
• The ways in which atoms are joined together are changed. _______
• New atoms are formed as products. _______
• The starting substances are called reactants. _______
• In every balanced chemical equation, each side of the equation has the same number of _________________ of each element.
• In a combustion reaction, one of the reactants is always
________________________________
•
• The products of a combustion reaction may include
w______________, c___________ d_____________, and
c_________________ m__________________