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Na2O + H2O = 2 NaOH
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
KCl + Fe2(SO4)3 = K2SO4 + FeCl3 =>
6 KCl + Fe2(SO4)3 = 3 K2SO4 + 2 FeCl3
C4H9OH + Ag(NH3)2OH = CO2 + Ag + H2O + NH3 =>
C4H9OH + 24 Ag(NH3)2OH = 4 CO2 + 24 Ag + 17 H2O + 48 NH3
Na3PO4 + KOH = NaOH + K3PO4 =>
Na3PO4 + 3 KOH = 3 NaOH + K3PO4
HCOONa + CH3COOH = HCOOH + CH3COONa =>
HCOONa + CH3COOH = HCOOH + CH3COONa
HNO3 + Mn(OH)2 = H2O + Mn(NO3)2 =>
2 HNO3 + Mn(OH)2 = 2 H2O + Mn(NO3)2
K2S + H2SO4 = K2SO4 + H2O + SO2 =>
K2S + 4 H2SO4 = K2SO4 + 4 H2O + 4 SO2
NaHS + H2SO4 = NaHSO4 + SO2 + H2O =>
NaHS + 4 H2SO4 = NaHSO4 + 4 SO2 + 4 H2O
PBr3 + H2O = H3PO3 + HBr =>
PBr3 + 3 H2O = H3PO3 + 3 HBr
KCl + CuCl2 = K2CuCl4 =>
2 KCl + CuCl2 = K2CuCl4
SbCl3 + KMnO4 + HCl = MnCl2 + H2(Sb2Cl9) + KCl + H2O =>
10 SbCl3 + KMnO4 + 18 HCl = MnCl2 + 5 H2(Sb2Cl9) + KCl + 4 H2O
MgCO3(s) + HCl = MgCl2(aq) + H2O(l) + CO2(g) =>
MgCO3(s) + 2 HCl = MgCl2(aq) + H2O(l) + CO2(g)
Na2S2O4 + NH4OH + AgCl = (NH4)2SO3 + Ag + NaCl + H2O =>
Na2S2O4 + 4 NH4OH + 2 AgCl = 2(NH4)2SO3 + 2 Ag + 2 NaCl + 2 H2O
Al(CH3CO2)3 + Ba(OH)2 = Al(OH)3 + C4H6BaO4 =>
2 Al(CH3CO2)3 + 3 Ba(OH)2 = 2 Al(OH)3 + 3 C4H6BaO4
CaF2 + AgSO4 = AgF + Ca(SO4)2 =>
CaF2 + 2 AgSO4 = 2 AgF + Ca(SO4)2
Ca(OH)2 + SO2 = Ca + SO4 + H2 =>
Ca(OH)2 + SO2 = Ca + SO4 + H2
Mg(No3)2 + NaCl = NaNo3 + MgCl2 =>
Mg(No3)2 + 2 NaCl = 2 NaNo3 + MgCl2
FeS + Na2Cr2O7 + HClO4 = Fe(ClO4)3 + SO2 + Cr(ClO4)3 + NaClO4 + H2O =>
6 FeS + 7 Na2Cr2O7 + 74 HClO4 = 6 Fe(ClO4)3 + 6 SO2 + 14 Cr(ClO4)3 + 14 NaClO4 + 37 H2O
Na + Cl = Na4Cl2 =>
4 Na + 2 Cl = Na4Cl2
H3C2OOH + Cl2 = H2ClC2OOH + H2 =>
2 H3C2OOH + Cl2 = 2 H2ClC2OOH + H2
Cr2(SO4)3 + Al = Cr + Al2(SO4)3 =>
Cr2(SO4)3 + 2 Al = 2 Cr + Al2(SO4)3
NaOHSr(NO3)2 = Na(NO3)2SrOH =>
NaOHSr(NO3)2 = Na(NO3)2SrOH
AgNO3 + Li = LiNO3 + Ag =>
AgNO3 + Li = LiNO3 + Ag
H2 + SnCl2 = HCl + Sn =>
H2 + SnCl2 = 2 HCl + Sn
NO2 + O2 + H2O = HNO3 =>
4 NO2 + O2 + 2 H2O = 4 HNO3
H2SO4 + Ca(OH)2 = H2O + H2 + Ca(SO4)2 =>
2 H2SO4 + Ca(OH)2 = 2 H2O + H2 + Ca(SO4)2
HN3 + Br2 = HBr + N2 =>
2 HN3 + Br2 = 2 HBr + 3 N2
NH4OH + SnBr2 = SnOH + NH4Br2 =>
NH4OH + SnBr2 = SnOH + NH4Br2
Sn{2+} = Sn + Sn{4+} =>
2 Sn{2+} = Sn + Sn{4+}
Zn + Cr2O7{2-} + H{+} = Zn2{+} + Cr3{+} + H2O =>
68 Zn + 3 Cr2O7{2-} + 42 H{+} = 34 Zn2{+} + 2 Cr3{+} + 21 H2O
C2H6 + Cl2 = C2H5Cl + HCl =>
C2H6 + Cl2 = C2H5Cl + HCl
C18H33O2Na + ErCl3 = (C18H33O2)3Er + NaCl =>
3 C18H33O2Na + ErCl3 = (C18H33O2)3Er + 3 NaCl
NaH + HNO3 = NaNO3 + H2 =>
NaH + HNO3 = NaNO3 + H2
Fe + K2Cr2O7 + HCl = FeCl3 + KCl + CrCl3 + H2O =>
2 Fe + K2Cr2O7 + 14 HCl = 2 FeCl3 + 2 KCl + 2 CrCl3 + 7 H2O
Fe2 + (SO4)3 + KSCN = K3Fe(SCN)6 + K2SO4 =>
Fe2 + (SO4)3 + 12 KSCN = 2 K3Fe(SCN)6 + 3 K2SO4
C6H5CH2MgCl + HfCl4 = (C6H5CH2)4Hf + MgCl2 =>
4 C6H5CH2MgCl + HfCl4 = (C6H5CH2)4Hf + 4 MgCl2
MnSO4 + H2O = MnSO4H2O =>
MnSO4 + H2O = MnSO4H2O
Zn + HCl = ZnCl2 + H2 =>
Zn + 2 HCl = ZnCl2 + H2
Na + O2 = Na2O =>
4 Na + O2 = 2 Na2O
Cr(s) + AgNO3(aq) = Cr(NO3)3(aq) + Ag(s) =>
Cr(s) + 3 AgNO3(aq) = Cr(NO3)3(aq) + 3 Ag(s)
Zn + HCl = ZnCl2 + H =>
Zn + 2 HCl = ZnCl2 + 2 H
AgI + Na2S = Ag2S + NaI =>
2 AgI + Na2S = Ag2S + 2 NaI
AgNO3 + KCl = AgCl + KNO3 =>
AgNO3 + KCl = AgCl + KNO3
Pt2 + O2 = PtO2 =>
Pt2 + 2 O2 = 2 PtO2
K2Cr2O7 + HCl = KCl + CrCl3 + H2O + Cl2 =>
K2Cr2O7 + 14 HCl = 2 KCl + 2 CrCl3 + 7 H2O + 3 Cl2
Na2O2 + PbS + H2SO4 = PbSO4 + Na2SO4 + H2O =>
4 Na2O2 + PbS + 4 H2SO4 = PbSO4 + 4 Na2SO4 + 4 H2O
CaCO3 + S = SO2 + CaC =>
2 CaCO3 + 3 S = 3 SO2 + 2 CaC
Li3N + NH4NO3 = LiNO3 + (NH4)3N =>
Li3N + 3 NH4NO3 = 3 LiNO3 + (NH4)3N
NaF + H2 = NaH + F2 =>
2 NaF + H2 = 2 NaH + F2
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