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2 Al + 3 H2SO4 = Al2(SO4)3 + 3 H2
CH4 + H2O = CO + H2 =>
CH4 + H2O = CO + 3 H2
Mg(s) + ZnCl2(aq) = MgCl2(aq) + Zn(s) =>
Mg(s) + ZnCl2(aq) = MgCl2(aq) + Zn(s)
NaOH + K3PO4 = NaPO4 + K3OH =>
NaOH + K3PO4 = NaPO4 + K3OH
Na3PO4 + CaCl2 = NaCl + Ca3(PO4)2 =>
2 Na3PO4 + 3 CaCl2 = 6 NaCl + Ca3(PO4)2
KOH + H3PO4 = KPO4 + H3OH =>
KOH + H3PO4 = KPO4 + H3OH
Al + O2 = Al2O3 =>
4 Al + 3 O2 = 2 Al2O3
AgNO3(aq) + CaCl2(aq) = AgCl(s) + Ca(NO3)2(aq) =>
2 AgNO3(aq) + CaCl2(aq) = 2 AgCl(s) + Ca(NO3)2(aq)
K + Cl2 = KCl2 =>
K + Cl2 = KCl2
K + Cl2 = KCl =>
2 K + Cl2 = 2 KCl
C2H6(g) + O2 = CO2(g) + H20 =>
10 C2H6(g) + 20 O2 = 20 CO2(g) + 3 H20
Zn + O2 = ZnO2 =>
Zn + O2 = ZnO2
Na2O(s) + H2O(l) = NaOH(aq) =>
Na2O(s) + H2O(l) = 2 NaOH(aq)
BaO + H2O = BaOH2O =>
BaO + H2O = BaOH2O
So2 + H2O = So2H2O =>
So2 + H2O = So2H2O
KClO3(s) = KCl(s) + O2 =>
2 KClO3(s) = 2 KCl(s) + 3 O2
SO2 + H2O = SO2H2O =>
SO2 + H2O = SO2H2O
Al(s) + HCl(aq) = AlCl3(aq) + H2(g) =>
2 Al(s) + 6 HCl(aq) = 2 AlCl3(aq) + 3 H2(g)
Na2(SO4) + CrI2 = NaI + Cr(SO4) =>
Na2(SO4) + CrI2 = 2 NaI + Cr(SO4)
C3H6O(g) + O2 = CO2 + H2O =>
C3H6O(g) + 4 O2 = 3 CO2 + 3 H2O
CH3CH2OH + O2 = H2O + CH3COOH =>
CH3CH2OH + O2 = H2O + CH3COOH
CO2 + H2O = H2CO3 =>
CO2 + H2O = H2CO3
MnO4{-} + H2C2O4 + H{+} = Mn{2+} + CO2{+} + H2O =>
4 MnO4{-} + 5 H2C2O4 + 22 H{+} = 4 Mn{2+} + 10 CO2{+} + 16 H2O
Fe(s) + O2(g) = Fe2O3(s) =>
4 Fe(s) + 3 O2(g) = 2 Fe2O3(s)
Sn{+2} + H{+} + Cr2O72{�} = Sn{+4} + Cr3{+} + H2O =>
215 Sn{+2} + 432 H{+} + 3 Cr2O72{�} = 215 Sn{+4} + 2 Cr3{+} + 216 H2O
Sn{+2} + H{+} + Cr2O7{-2} = Sn{+4} + Cr3{+} + H2O =>
17 Sn{+2} + 42 H{+} + 3 Cr2O7{-2} = 17 Sn{+4} + 2 Cr3{+} + 21 H2O
NaCl + AgNO3 = NaNO3 + AgCl =>
NaCl + AgNO3 = NaNO3 + AgCl
Sn{+2} + H{+} + Cr2O7{-2} = Sn{+4} + Cr{+3} + H2O =>
3 Sn{+2} + 14 H{+} + Cr2O7{-2} = 3 Sn{+4} + 2 Cr{+3} + 7 H2O
Pb + AgNO3 = Pb(NO3)2 + Ag =>
Pb + 2 AgNO3 = Pb(NO3)2 + 2 Ag
NaCl + AgNO3 = NaNO3 + AgCl =>
NaCl + AgNO3 = NaNO3 + AgCl
Al + CuSO4 = Al2(SO4)3 + Cu =>
2 Al + 3 CuSO4 = Al2(SO4)3 + 3 Cu
Cl2(aq) + KBr(aq) = Br2(aq) + KCl(aq) =>
Cl2(aq) + 2 KBr(aq) = Br2(aq) + 2 KCl(aq)
KOH + H3PO4 = KPO4 + H3OH =>
KOH + H3PO4 = KPO4 + H3OH
Ca(NO3)2(aq) + K3PO4(aq) = Ca3(PO4)2(s) + KNO3(aq) =>
3 Ca(NO3)2(aq) + 2 K3PO4(aq) = Ca3(PO4)2(s) + 6 KNO3(aq)
NaCl + KNO3 = NaNO3 + KCl =>
NaCl + KNO3 = NaNO3 + KCl
Zn + HCl = ZnHCl =>
Zn + HCl = ZnHCl
Ca(HCO3)2(aq) = CaCO3(s) + H2O(l) + CO2(g) =>
Ca(HCO3)2(aq) = CaCO3(s) + H2O(l) + CO2(g)
Zn + HCl = H2 + ZnCl2 =>
Zn + 2 HCl = H2 + ZnCl2
NaH + H2O = Na{+} + H2 + OH{-} =>
NaH + H2O = Na{+} + H2 + OH{-}
C8H18 + O2 = CO2 + H2O =>
2 C8H18 + 25 O2 = 16 CO2 + 18 H2O
O2 + NH3 = NO2 + H2O =>
7 O2 + 4 NH3 = 4 NO2 + 6 H2O
Na2CO3 + HCl = Na2Cl + HCO3 =>
Na2CO3 + HCl = Na2Cl + HCO3
Br + BaCl = Br2Cl + Ba =>
2 Br + BaCl = Br2Cl + Ba
NaOH + HCl = NaCl + HOH =>
NaOH + HCl = NaCl + HOH
Mg + Cl = MgCl2 =>
Mg + 2 Cl = MgCl2
K4Fe(CN)6 + H2SO4 + H2O = K2SO4 + FeSO4 + (NH4)2SO4 + CO =>
K4Fe(CN)6 + 6 H2SO4 + 6 H2O = 2 K2SO4 + FeSO4 + 3(NH4)2SO4 + 6 CO
Cu(C2H3O2)2 + Na2CO3 = CuCO3 + Na(C2H3O2) =>
Cu(C2H3O2)2 + Na2CO3 = CuCO3 + 2 Na(C2H3O2)
Br + BaCl = BaBr + Cl =>
Br + BaCl = BaBr + Cl
FeBr2 + (NH4)3(PO4) = Fe3(PO4)2 + Br(NH4) =>
3 FeBr2 + 2(NH4)3(PO4) = Fe3(PO4)2 + 6 Br(NH4)
C7H6O3 + NaOH = C7H4O3Na2 + H2O =>
C7H6O3 + 2 NaOH = C7H4O3Na2 + 2 H2O
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