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2 NaBr + Co = CoBr2 + 2 Na
PbS2 + HCl = PbCl2 + HS =>
PbS2 + 2 HCl = PbCl2 + 2 HS
LiBr + Mg(NO3)2 = LiNO3 + MgBr2 =>
2 LiBr + Mg(NO3)2 = 2 LiNO3 + MgBr2
Sr(NO3)2 + (NH4)2S = Sr(NH4)2 + S(NO3)2 =>
Sr(NO3)2 + (NH4)2S = Sr(NH4)2 + S(NO3)2
Cd3(PO4)2 + (NH4)2S = CdS + (NH4)3(PO4) =>
Cd3(PO4)2 + 3(NH4)2S = 3 CdS + 2(NH4)3(PO4)
B(s) + H2(g) = B2H6 =>
2 B(s) + 3 H2(g) = B2H6
N2O3 + Al(OH)3 = Al(NO2)3 + H2O =>
3 N2O3 + 2 Al(OH)3 = 2 Al(NO2)3 + 3 H2O
NaOH + H2CO3 = Na2CO3 + H2O =>
2 NaOH + H2CO3 = Na2CO3 + 2 H2O
Zn + H2SO4 = ZnSO4 + H2 =>
Zn + H2SO4 = ZnSO4 + H2
MnCO3 + KClO3 = KCl + CO2 + MnO2 =>
3 MnCO3 + KClO3 = KCl + 3 CO2 + 3 MnO2
NiCl(aq) + NaOH(aq) = NiOH(s) + NaCl(aq) =>
NiCl(aq) + NaOH(aq) = NiOH(s) + NaCl(aq)
K2S + H2SiO3 = H2S + K2SiO3 =>
K2S + H2SiO3 = H2S + K2SiO3
Mg(OH)2 + Li2O = MgO + Li(OH) =>
Mg(OH)2 + Li2O = MgO + 2 Li(OH)
PbI2 + SrCO3 = Pb(CO3) + SrI2 =>
PbI2 + SrCO3 = Pb(CO3) + SrI2
Tl + O = TlO =>
Tl + O = TlO
H2SO3 + K(OH) = K2SO3 + H2O =>
H2SO3 + 2 K(OH) = K2SO3 + 2 H2O
HBr(aq) + CuCO3(s) = CuBr2(aq) + H2O(l) + CO2(g) =>
2 HBr(aq) + CuCO3(s) = CuBr2(aq) + H2O(l) + CO2(g)
KMnO4 + HCl = KCl + MnCl2 + H2O + Cl2 =>
2 KMnO4 + 16 HCl = 2 KCl + 2 MnCl2 + 8 H2O + 5 Cl2
HOSO2 + O2 = HO2 + SO3 =>
HOSO2 + O2 = HO2 + SO3
Zn + AuI3 = ZnI2 + Au =>
3 Zn + 2 AuI3 = 3 ZnI2 + 2 Au
H3PO3 + Ca(OH)2 = (PO3)2Ca3 + H2O =>
2 H3PO3 + 3 Ca(OH)2 = (PO3)2Ca3 + 6 H2O
AgC2H3O2 + NH4Cl = NH4C2H3O2 + AgCl =>
AgC2H3O2 + NH4Cl = NH4C2H3O2 + AgCl
Na2SiO3 + H2O + CO2 = NaHCO3 + H2SiO3 =>
Na2SiO3 + 2 H2O + 2 CO2 = 2 NaHCO3 + H2SiO3
Fe(NO3)3 + K4(Fe(CN)6) = KFe(Fe(CN)6) + KNO3 =>
Fe(NO3)3 + K4(Fe(CN)6) = KFe(Fe(CN)6) + 3 KNO3
KOH + CH4COOH = CH4COOK + H2O =>
KOH + CH4COOH = CH4COOK + H2O
Cl2 + Ca(OH)2 = Ca(ClO)2 + H2O + CaCl2 =>
2 Cl2 + 2 Ca(OH)2 = Ca(ClO)2 + 2 H2O + CaCl2
TiCl4 + Mg = Ti + MgCl2 =>
TiCl4 + 2 Mg = Ti + 2 MgCl2
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
Ca(OH)2 + Na2SO3 = CaSO3 + NaOH =>
Ca(OH)2 + Na2SO3 = CaSO3 + 2 NaOH
CH3CH(OH)CH2CH3 + Na2Cr2O7 + H2SO4 = CH3CH2COOH + Cr(SO4)3 + Na2SO4 + H2 =>
21 CH3CH(OH)CH2CH3 + 5 Na2Cr2O7 + 35 H2SO4 = 28 CH3CH2COOH + 10 Cr(SO4)3 + 5 Na2SO4 + 56 H2
HBrO3 + Ga(OH)3 = Ga(BrO3)3 + H2O =>
3 HBrO3 + Ga(OH)3 = Ga(BrO3)3 + 3 H2O
Pb(C2H3O2)2(aq) + K2CrO4(aq) = PbCrO4(c) + KC2H3O2(aq) =>
Pb(C2H3O2)2(aq) + K2CrO4(aq) = PbCrO4(c) + 2 KC2H3O2(aq)
KAl(SO4)2 + NaCl = Na2SO4 + K + Cl + Al =>
KAl(SO4)2 + 4 NaCl = 2 Na2SO4 + K + 4 Cl + Al
S2 + O4 = SO4 =>
S2 + 2 O4 = 2 SO4
Sn + AuCl3 = SnCl4 + Au =>
3 Sn + 4 AuCl3 = 3 SnCl4 + 4 Au
IF7 + H2O = HIO4 + HF =>
IF7 + 4 H2O = HIO4 + 7 HF
AgF + H2O = Ag + O2 + HF =>
4 AgF + 2 H2O = 4 Ag + O2 + 4 HF
Cs + I2 = CsI2 =>
Cs + I2 = CsI2
NH4Cl + H2SO4 = (NH4)2SO4 + H2 + Cl =>
2 NH4Cl + H2SO4 = (NH4)2SO4 + H2 + 2 Cl
Na2SO3 + K2Cr2O7 + NaHSO4 = K2SO4 + Cr2(SO4)3 + Na2SO4 + H2O =>
3 Na2SO3 + K2Cr2O7 + 8 NaHSO4 = K2SO4 + Cr2(SO4)3 + 7 Na2SO4 + 4 H2O
SnS2 + HNO3 = H2SnO3 + H2SO4 + NO2 + H2O =>
SnS2 + 16 HNO3 = H2SnO3 + 2 H2SO4 + 16 NO2 + 5 H2O
SnCl2 + Bi(NO3)3 + KOH = K2[Sn(OH)6] + KNO3 + KCl + Bi =>
3 SnCl2 + 2 Bi(NO3)3 + 18 KOH = 3 K2[Sn(OH)6] + 6 KNO3 + 6 KCl + 2 Bi
Na2WO4 + HCl + Zn = W2O5 + NaCl + ZnCl2 + H2O =>
2 Na2WO4 + 6 HCl + Zn = W2O5 + 4 NaCl + ZnCl2 + 3 H2O
CaCl2 + PbI2 = PbCl2 + CaI2 =>
CaCl2 + PbI2 = PbCl2 + CaI2
CuOH + H2SO4 = CuSO4 + H3O =>
CuOH + H2SO4 = CuSO4 + H3O
Al + Fe3O4 = Al2O3 + Fe =>
8 Al + 3 Fe3O4 = 4 Al2O3 + 9 Fe
Al(s) + H2SO4(ac) = Al2(SO4)3(ac) + H2(g) =>
2 Al(s) + 3 H2SO4(ac) = Al2(SO4)3(ac) + 3 H2(g)
KBr + H2O = Br2 + K(OH) + H2 =>
2 KBr + 2 H2O = Br2 + 2 K(OH) + H2
Sn{4+} + O{2-} = SnO2 =>
Sn{4+} + 2 O{2-} = SnO2
Cr2(SO4)3 + NH3 + H2O = Cr(OH)3 + (NH4)2SO4 =>
Cr2(SO4)3 + 6 NH3 + 6 H2O = 2 Cr(OH)3 + 3(NH4)2SO4
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