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2 Mg + ZnCl2 = Zn + 2 MgCl
Na + O2 = Na2O =>
4 Na + O2 = 2 Na2O
Ag + I = AgI =>
Ag + I = AgI
Al2(SO4)3 + Ca(OH)2 = Al(OH)3 + CaSO4 =>
Al2(SO4)3 + 3 Ca(OH)2 = 2 Al(OH)3 + 3 CaSO4
Ca3P2 + H2O = Ca(OH)2 + PH3 =>
Ca3P2 + 6 H2O = 3 Ca(OH)2 + 2 PH3
H3PO4 + KOH = KH2PO4 + H2O =>
H3PO4 + KOH = KH2PO4 + H2O
Sr + LiNO3 = SrNO3 + Li =>
Sr + LiNO3 = SrNO3 + Li
Fe3O4 + C = Fe + CO =>
Fe3O4 + 4 C = 3 Fe + 4 CO
P + O2 = P2O5 =>
4 P + 5 O2 = 2 P2O5
Fe3O4 + C = Fe + CO =>
Fe3O4 + 4 C = 3 Fe + 4 CO
C5H12O + O2 = CO2 + H2O =>
2 C5H12O + 15 O2 = 10 CO2 + 12 H2O
P4 + KClO3 = KCl + P2O5 =>
3 P4 + 10 KClO3 = 10 KCl + 6 P2O5
NH4OH + H2SO4 = NH4SO4 + H2OH =>
NH4OH + H2SO4 = NH4SO4 + H2OH
C2H6 + O2 = H2O + CO2 =>
2 C2H6 + 7 O2 = 6 H2O + 4 CO2
NaHCO3 + KOH = NaKCO3 + H2O =>
NaHCO3 + KOH = NaKCO3 + H2O
C2H2 + O2 = CO2 + H2O =>
2 C2H2 + 5 O2 = 4 CO2 + 2 H2O
NaNO3 + CuSO4 = Na2SO4 + Cu(NO3)2 =>
2 NaNO3 + CuSO4 = Na2SO4 + Cu(NO3)2
MgO + NaOH = MgO2 + NaH =>
MgO + NaOH = MgO2 + NaH
WO3 + H2 = W + H2O =>
WO3 + 3 H2 = W + 3 H2O
MnO2 + HCl = MnCl2 + H2O + Cl2 =>
MnO2 + 4 HCl = MnCl2 + 2 H2O + Cl2
CaSO4 + NaNO3 = CaNO3 + NaSO4 =>
CaSO4 + NaNO3 = CaNO3 + NaSO4
Ca + H2O = Ca(OH)2 + H =>
Ca + 2 H2O = Ca(OH)2 + 2 H
Br2 + KI = KBr + I2 =>
Br2 + 2 KI = 2 KBr + I2
Ni(NO3)2 + NaOH = NiOH + Na(NO3)2 =>
Ni(NO3)2 + NaOH = NiOH + Na(NO3)2
KBr(s) + H3PO4(aq) = K3PO4(aq) + HBr(g) =>
3 KBr(s) + H3PO4(aq) = K3PO4(aq) + 3 HBr(g)
KI + CHCl3 + Br2 = KCl + HBr + CCl + I =>
4 KI + 2 CHCl3 + Br2 = 4 KCl + 2 HBr + 2 CCl + 4 I
KMnO4 + Zn + H2SO4 = ZnSO4 + K2SO4 + MnSO4 + H2O =>
2 KMnO4 + 5 Zn + 8 H2SO4 = 5 ZnSO4 + K2SO4 + 2 MnSO4 + 8 H2O
KNO2 + H2O = KOH + HNO2 =>
KNO2 + H2O = KOH + HNO2
C2H2 + O2 = CO2 + H2O =>
2 C2H2 + 5 O2 = 4 CO2 + 2 H2O
NaCl + CaO = CaCl2 + Na2O =>
2 NaCl + CaO = CaCl2 + Na2O
Pb + H2SO4 = PbSO4 + H =>
Pb + H2SO4 = PbSO4 + 2 H
Ca(OH)2 + H3PO4 = CaHPO4 + H2O =>
Ca(OH)2 + H3PO4 = CaHPO4 + 2 H2O
Hg + H2SO4 = HgSO4 + SO2 + H2O =>
Hg + 2 H2SO4 = HgSO4 + SO2 + 2 H2O
CH4(g) + O2 = CO2(g) + H2O(g) =>
CH4(g) + 2 O2 = CO2(g) + 2 H2O(g)
C2H4 + KMnO4 + H2O = C2H4(OH)2 + MnO2 + KOH =>
3 C2H4 + 2 KMnO4 + 4 H2O = 3 C2H4(OH)2 + 2 MnO2 + 2 KOH
K + O2 = K2O =>
4 K + O2 = 2 K2O
LiOH + H2SO4 = Li2SO4 + H2O =>
2 LiOH + H2SO4 = Li2SO4 + 2 H2O
Pb(NO3)2 + NaOH = Pb(OH)2 + NaNO3 =>
Pb(NO3)2 + 2 NaOH = Pb(OH)2 + 2 NaNO3
UO2 + HF = UF4 + H2O =>
UO2 + 4 HF = UF4 + 2 H2O
K3N + H2O = NH3 + KOH =>
K3N + 3 H2O = NH3 + 3 KOH
KOH + H3PO4 = K3PO4 + H2O =>
3 KOH + H3PO4 = K3PO4 + 3 H2O
SrBr2 + (NH4)2CO3 = SrCO3 + NH4Br =>
SrBr2 + (NH4)2CO3 = SrCO3 + 2 NH4Br
NaHS + O2 = S + NaOH =>
2 NaHS + O2 = 2 S + 2 NaOH
Cr{3+} + NaBiO3 + H{+} = Cr2O7{2-} + Bi{3+} + H2O + Na{+} =>
2 Cr{3+} + 3 NaBiO3 + 4 H{+} = Cr2O7{2-} + 3 Bi{3+} + 2 H2O + 3 Na{+}
Ba3(PO4)2 + LiCl = BaCl2 + Li3(PO4) =>
Ba3(PO4)2 + 6 LiCl = 3 BaCl2 + 2 Li3(PO4)
HNO3 + AL(OH)3 = ALOH(NO3)2 + H2O =>
2 HNO3 + AL(OH)3 = ALOH(NO3)2 + 2 H2O
Ca(OH)2 + H2SO4 = CaSO4 + H2O =>
Ca(OH)2 + H2SO4 = CaSO4 + 2 H2O
C2H6O + O2 = CO2 + H2O =>
C2H6O + 3 O2 = 2 CO2 + 3 H2O
Zn + H2SO4 = ZnSO4 + H2S + H2O =>
4 Zn + 5 H2SO4 = 4 ZnSO4 + H2S + 4 H2O
HCl + Na2SO4 = NaCl + H2SO4 =>
2 HCl + Na2SO4 = 2 NaCl + H2SO4
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