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H2CO3(aq) + 2 NH4OH(aq) = (NH4)2CO3(aq) + 2 HOH(l)
Zn + SnCl2 = SnZn + ZnCl =>
3 Zn + SnCl2 = SnZn + 2 ZnCl
K2CrO4 + AgNo2 = K2No2 + AgCrO4 =>
K2CrO4 + AgNo2 = K2No2 + AgCrO4
NP = PN =>
NP = PN
HJ + HJO3 = H2O + J2 =>
5 HJ + HJO3 = 3 H2O + 3 J2
CuCl2 + P2O5 = CuO + PCl5 =>
5 CuCl2 + P2O5 = 5 CuO + 2 PCl5
(HO) = H2O + O =>
2(HO) = H2O + O
H2SO4 + AgCl = Ag2SO4 + HCl =>
H2SO4 + 2 AgCl = Ag2SO4 + 2 HCl
LiOH + HCl = LiCl + HOH =>
LiOH + HCl = LiCl + HOH
CuCl + H2SO4 = CuSO4 + HCl + SO2 + H2O =>
2 CuCl + 3 H2SO4 = 2 CuSO4 + 2 HCl + SO2 + 2 H2O
NaCl + H3PO4 = NaH2PO4 + HCl =>
NaCl + H3PO4 = NaH2PO4 + HCl
Zn(OH)2 + CH3COOH = Zn(CH3COO)2 + H2O =>
Zn(OH)2 + 2 CH3COOH = Zn(CH3COO)2 + 2 H2O
Si + Br = SiBr3 =>
Si + 3 Br = SiBr3
CH3CH2COOH + KOH = (CH3CH2COO)K + H2O =>
CH3CH2COOH + KOH = (CH3CH2COO)K + H2O
Nd(NO3)3 + Ca(NO3)2 + Mn(NO3)2 + C6H8O7H2O = Nd2Ca2MnO3 + N2 + CO2 + H2O =>
6 Nd(NO3)3 + 6 Ca(NO3)2 + 3 Mn(NO3)2 + 11 C6H8O7H2O = 3 Nd2Ca2MnO3 + 18 N2 + 66 CO2 + 55 H2O
CH3COONa + HBr = NaBr + C2H4O2 =>
CH3COONa + HBr = NaBr + C2H4O2
Mn(ClO4)2 = Mn + (ClO4)2 =>
Mn(ClO4)2 = Mn + (ClO4)2
P + NO2 = P2O5 + NO =>
2 P + 5 NO2 = P2O5 + 5 NO
AlNO3 + NH4OH + NaOH = Al(NH3)2OH + NaNO3 + H2O =>
AlNO3 + 2 NH4OH + NaOH = Al(NH3)2OH + NaNO3 + 2 H2O
H2SO4 + Fe2H2O4 = Fe2(SO4)3 + H2O =>
3 H2SO4 + Fe2H2O4 = Fe2(SO4)3 + 4 H2O
KOH + P2O5 = K2O + P(OH)5 =>
10 KOH + P2O5 = 5 K2O + 2 P(OH)5
Zn(s) + Cl2(g) = ZnCl2 =>
Zn(s) + Cl2(g) = ZnCl2
HS + KOH = H2O + KS =>
HS + KOH = H2O + KS
KH + S = K2S + H2 =>
2 KH + S = K2S + H2
As2S3 + O2 = As2 + SO2 =>
As2S3 + 3 O2 = As2 + 3 SO2
Cr2O3 + SO3 = Cr2(SO4)3 =>
Cr2O3 + 3 SO3 = Cr2(SO4)3
Al + S = Al2S3 =>
2 Al + 3 S = Al2S3
Pb4 + O2 = Pb2O2 =>
Pb4 + 2 O2 = 2 Pb2O2
KMnO4 + C3O3H3 = K2CO3 + CO2 + Mn2O3 + H2O =>
18 KMnO4 + 8 C3O3H3 = 9 K2CO3 + 15 CO2 + 9 Mn2O3 + 12 H2O
HI + Mg(HCO3)2 = CO2 + H2O + MgI2 =>
2 HI + Mg(HCO3)2 = 2 CO2 + 2 H2O + MgI2
Pb(CH3COO)2 + K2CrO4 = Pb(CrO4)2 + K2CH3COO =>
Pb(CH3COO)2 + 2 K2CrO4 = Pb(CrO4)2 + 2 K2CH3COO
Cr + FeBr2 = CrBr2 + Fe =>
Cr + FeBr2 = CrBr2 + Fe
Cu(NO3)2 + NaOH = Cu(OH)2 + NaNO3 =>
Cu(NO3)2 + 2 NaOH = Cu(OH)2 + 2 NaNO3
FeO + HCl = FeCl2 + H2O =>
FeO + 2 HCl = FeCl2 + H2O
NaClO + NaI + H2SO4 = Na2SO4 + I2 + NaCl + H2O =>
NaClO + 2 NaI + H2SO4 = Na2SO4 + I2 + NaCl + H2O
K3PO4 + NaOH = KOH + Na3PO4 =>
K3PO4 + 3 NaOH = 3 KOH + Na3PO4
[NI3NH3] = N2 + NH3 + I2 =>
2[NI3NH3] = N2 + 2 NH3 + 3 I2
Br2 + CrCl2 + NaOH = NaBr + NaCl + Na2CrO4 + H2O =>
2 Br2 + CrCl2 + 8 NaOH = 4 NaBr + 2 NaCl + Na2CrO4 + 4 H2O
NH4 + SO3 = NH4SO3 =>
NH4 + SO3 = NH4SO3
Sc(Cl)2 + Al(OH)3 = Sc(OH)2 + Al(Cl)3 =>
3 Sc(Cl)2 + 2 Al(OH)3 = 3 Sc(OH)2 + 2 Al(Cl)3
Hg(OH) + H2S = Hg2S + H2O =>
2 Hg(OH) + H2S = Hg2S + 2 H2O
NaVO3 + KOH = KVO3 + NaOH =>
NaVO3 + KOH = KVO3 + NaOH
S + HNO3 = H2SO4 + NO =>
S + 2 HNO3 = H2SO4 + 2 NO
MgO(s) + H2O(s) = Mg(OH)2(aq) =>
MgO(s) + H2O(s) = Mg(OH)2(aq)
C9H44O2 + O2 = CO2 + H2O =>
C9H44O2 + 19 O2 = 9 CO2 + 22 H2O
P4 + HC1 + O2 = PC13 + H2O =>
P4 + 52 HC1 + 13 O2 = 4 PC13 + 26 H2O
C2H4O = CH4 + CO =>
C2H4O = CH4 + CO
CaCl2(aq) + H3PO4(aq) = Ca3(PO4)2(s) + HCl(aq) =>
3 CaCl2(aq) + 2 H3PO4(aq) = Ca3(PO4)2(s) + 6 HCl(aq)
Zn + K2Cr2O7 + H2SO4 = ZnSO4 + CrSO2 + K2SO4 + H2O =>
8 Zn + K2Cr2O7 + 11 H2SO4 = 8 ZnSO4 + 2 CrSO2 + K2SO4 + 11 H2O
NO2 + P = N2 + P2O5 =>
10 NO2 + 8 P = 5 N2 + 4 P2O5
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