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NiCl2 + H2S = NiS + H2Cl2
Al2Si2O5(OH)4 + H2O = Al(OH)3 + Si(OH)4 =>
Al2Si2O5(OH)4 + 5 H2O = 2 Al(OH)3 + 2 Si(OH)4
H{+} + Cr2O72{-} + I{-} = Cr3{+} + I2 + H2O =>
864 H{+} + 6 Cr2O72{-} + 854 I{-} = 4 Cr3{+} + 427 I2 + 432 H2O
C3H5(NO3)3 = CO2 + N2 + H2O + O2 =>
4 C3H5(NO3)3 = 12 CO2 + 6 N2 + 10 H2O + O2
NaOH + FeCl3 = Fe(OH)3 + NaCl =>
3 NaOH + FeCl3 = Fe(OH)3 + 3 NaCl
H3(PO4) + Ca(OH)2 = H3(OH)2 + Ca(PO4) =>
H3(PO4) + Ca(OH)2 = H3(OH)2 + Ca(PO4)
K + Si = K4Si =>
4 K + Si = K4Si
CaCO3(s) + HCl = CaCl2(ac) + H2O + CO2 =>
CaCO3(s) + 2 HCl = CaCl2(ac) + H2O + CO2
Al2O3 + H2 = Al + H2O =>
Al2O3 + 3 H2 = 2 Al + 3 H2O
ZnOHNO3 + H2SO4 = ZnSO4 + HNO3 + H2O =>
ZnOHNO3 + H2SO4 = ZnSO4 + HNO3 + H2O
H2O = H2 + O2 =>
2 H2O = 2 H2 + O2
Sn4 + F = SnF2 =>
Sn4 + 8 F = 4 SnF2
SO3 + NaOH = Na2SO4 + H2O =>
SO3 + 2 NaOH = Na2SO4 + H2O
CU(OH)2 + SO2 = CUSO3 + H2O =>
CU(OH)2 + SO2 = CUSO3 + H2O
HNO3 + Fe(OH)3 = Fe(NO3)3 + H2O =>
3 HNO3 + Fe(OH)3 = Fe(NO3)3 + 3 H2O
NH4NO3(cr) = N2(g) + O2(g) + H2O(g) =>
2 NH4NO3(cr) = 2 N2(g) + O2(g) + 4 H2O(g)
S + O2 = SO2 =>
S + O2 = SO2
KIOKIH2SO4 = H2OI2K2SO4 =>
KIOKIH2SO4 = H2OI2K2SO4
C3H8 + HCl = C3H6Cl2 + H2 =>
C3H8 + 2 HCl = C3H6Cl2 + 2 H2
Fe + H2O = Fe3O49 + H2 =>
3 Fe + 49 H2O = Fe3O49 + 49 H2
FeO + H2SO3 = H2O + Fe2SO4 =>
2 FeO + H2SO3 = H2O + Fe2SO4
NaC6H5CO2 + HCl = C6H6 + NaCl + CO2 =>
NaC6H5CO2 + HCl = C6H6 + NaCl + CO2
HI + KOH + AgNO3 = KNO3 + AgI + H2O =>
HI + KOH + AgNO3 = KNO3 + AgI + H2O
AgNO3 + Na3PO4 = Ag3PO4 + NaNO3 =>
3 AgNO3 + Na3PO4 = Ag3PO4 + 3 NaNO3
Fe2(SO4)3 + CaBr2 = Fe2Br2 + Ca(SO4)3 =>
Fe2(SO4)3 + CaBr2 = Fe2Br2 + Ca(SO4)3
Ca(OH)2 + H2CO3 = CaCO3 + H2O =>
Ca(OH)2 + H2CO3 = CaCO3 + 2 H2O
PbS + O2 = PbO + SO2 =>
2 PbS + 3 O2 = 2 PbO + 2 SO2
(i)Al + H2SO4 = Al2(SO4)3 + H2 =>
2(i)Al + 3 H2SO4 = Al2(SO4)3 + 3 H2
Be(NO3)2 + Zn(OH)2 = Be(OH)2 + Zn(NO3)2 =>
Be(NO3)2 + Zn(OH)2 = Be(OH)2 + Zn(NO3)2
Sm2O3 + HCl + H2O = SmCl3*6H2O =>
Sm2O3 + 6 HCl + 9 H2O = 2 SmCl3*6H2O
Mg + HNO3 = Mg(NO3)2 + NH3(NO3) + H2O =>
7 Mg + 18 HNO3 = 7 Mg(NO3)2 + 2 NH3(NO3) + 6 H2O
FeCl3 + NaI = FeCl2 + NaCl + I2 =>
2 FeCl3 + 2 NaI = 2 FeCl2 + 2 NaCl + I2
Zn(s) + P(s) = Zn3P2 =>
3 Zn(s) + 2 P(s) = Zn3P2
NaNO3(aq) + HCl(aq) = HNO3 + NaCl =>
NaNO3(aq) + HCl(aq) = HNO3 + NaCl
CH3COOH + Al2(CO3)3 = AlCH3 + CO2 + H2O =>
5 CH3COOH + 2 Al2(CO3)3 = 4 AlCH3 + 12 CO2 + 4 H2O
Fe2O3 + HS2{-} + H2O = FeOHSO4 + H{+a)+e =>
Fe2O3 + HS2{-} + 7 H2O = 2 FeOHSO4 + 13 H{+a)+14e
Se + KBrO3 + KOH = K2SeO4 + KBr + H2O =>
Se + KBrO3 + 2 KOH = K2SeO4 + KBr + H2O
HBr + Mg(OH)2 = MgBr2 + H2O =>
2 HBr + Mg(OH)2 = MgBr2 + 2 H2O
KIO3 + KI + HCl = ICl + H2O + KCl =>
KIO3 + 2 KI + 6 HCl = 3 ICl + 3 H2O + 3 KCl
C8H10 + O2 = CO2 + H2O =>
2 C8H10 + 21 O2 = 16 CO2 + 10 H2O
NaNO3(aq) + HCl(aq) = HNO3 + NaCl =>
NaNO3(aq) + HCl(aq) = HNO3 + NaCl
FeCl2 + Na2S = FeS + NaCl =>
FeCl2 + Na2S = FeS + 2 NaCl
Na3(Cr(OH)6) + Br2 + NaOH = Na2CrO4 + NaBr + H2O =>
2 Na3(Cr(OH)6) + 3 Br2 + 4 NaOH = 2 Na2CrO4 + 6 NaBr + 8 H2O
NaNO3(aq) + HCl(aq) = HNO3 + NaCl =>
NaNO3(aq) + HCl(aq) = HNO3 + NaCl
AlBr3 + K2SO3 = Al2O3 + SO2 + KBr =>
2 AlBr3 + 3 K2SO3 = Al2O3 + 3 SO2 + 6 KBr
NaNO3(aq) + HCl(aq) = HNO3 + NaCl =>
NaNO3(aq) + HCl(aq) = HNO3 + NaCl
HCOOH(aq) + OH{-} = HCOO{-} + HOH(l) =>
HCOOH(aq) + OH{-} = HCOO{-} + HOH(l)
Ca3N2 + H2O = Ca(OH)2 + NH3 =>
Ca3N2 + 6 H2O = 3 Ca(OH)2 + 2 NH3
FeS + HCl = FeCl2 + H2S =>
FeS + 2 HCl = FeCl2 + H2S
NaOCl + H2O2 = NaClO4 + H2O =>
NaOCl + 3 H2O2 = NaClO4 + 3 H2O
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