1. Equations Metal + acid  salt + hydrogen gas
Active metal (Grps I & 2) + water  metal hydroxide + hydrogen gas
Metal oxide + acid  salt + water
Nonmetal oxide + base  salt + water
Metal oxide + water  base
Metal + nonmetal  salt
Nonmetal oxide + water  acid
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2. Equations Metal + acid  salt + hydrogen gas
Zn + HCl(aq)  ZnCl2(aq) + H2(g)
Don’t forget to balance…
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3. Equations
Active metal (Grps I & 2) + water  metal hydroxide + hydrogen gas
Na(s) + H2O(l)  NaOH(aq) + H2(g)
Don’t forget to balance…
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4. Equations Metal oxide + acid  salt + water
Sc2O3(s) + HNO3(aq)  Sc(NO3)3(aq) + H2O(l)
Let’s balance this one together
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5. Equations Nonmetal oxide + base  salt + water
CO2(g) + NaOH(aq)  Na2CO3(aq) + H2O(l)
Balance…
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6. Equations Metal oxide + water  base BaO(s) + H2O(l)  Ba(OH)2(aq)
Balance…
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7. Equations Metal + nonmetal  salt Zn(s) + Cl2(g)  ZnCl2(s)
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8. Equations Nonmetal oxide + water  acid CO2(g) + H2O(l)  H2CO3(aq)
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9. Your turn A strip of magnesium metal is heated with nitrogen gas.
A strip of iron is dropped into a solution of sulfuric acid.
Phosphorus(V) oxide is sprinkled over distilled water.
Magnesium oxide is stirred into distilled water.
A small piece of calcium is dropped into distilled water.
Sulfur dioxide is bubbled through a solution of potassium hydroxide.
Solid magnesium oxide is added to a solution of hydrobromic acid.
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10. Your turn (KEY)
A strip of magnesium metal is heated with nitrogen gas.
3 Mg(s) + N2(g)  Mg3N2(s)
A strip of iron is dropped into a solution of sulfuric acid.
Fe(s) + H2SO4(aq)  FeSO4(aq) + H2(g)
3. Phosphorus(V) oxide is sprinkled over distilled water.
P2O5(s) + 3 H2O(l)  2 H3PO4(aq)
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11. Your turn (KEY) Magnesium oxide is stirred into distilled water.
MgO(s) + H2O(l)  Mg(OH)2(s)
A small piece of calcium is dropped into distilled water.
Ca(s) + H2O(l)  Ca(OH)2(s)
Sulfur dioxide is bubbled through a solution of potassium hydroxide.
SO2(g) + 2 KOH(aq)  K2SO3(aq) + H2O(l)
Solid magnesium oxide is added to a solution of hydrobromic acid.
MgO(s) + 2 HBr(aq)  MgBr2(aq) + H2O(l)
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