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NaSiO2 + NaOH = HSiO2 + Na2O
K(ClO4) = KCl + O2 =>
K(ClO4) = KCl + 2 O2
C2H3COOH + C3H7OH = C2H3COOC3H7 + H2O =>
C2H3COOH + C3H7OH = C2H3COOC3H7 + H2O
K3PO4(aq) + BaCl2(aq) = KCl(aq) + Ba3(aq) + (PO4)2(aq) =>
2 K3PO4(aq) + 3 BaCl2(aq) = 6 KCl(aq) + Ba3(aq) + (PO4)2(aq)
KMnO4 + N3H + H2SO4 = K2SO4 + MnSO4 + H2O + N2 =>
2 KMnO4 + 10 N3H + 3 H2SO4 = K2SO4 + 2 MnSO4 + 8 H2O + 15 N2
SnCl2 + KI = SnI + KCl2 =>
SnCl2 + KI = SnI + KCl2
Fe(s) + HCl(ac) = FeCl2(ac) + H2 =>
Fe(s) + 2 HCl(ac) = FeCl2(ac) + H2
H2 + CO3 = H2CO3 =>
H2 + CO3 = H2CO3
Mg(OH)2(aq) + HCl(aq) = MgCl2(aq) + H2O(l) =>
Mg(OH)2(aq) + 2 HCl(aq) = MgCl2(aq) + 2 H2O(l)
KI + Cu2SO4 = KSO4 + Cu2I =>
KI + Cu2SO4 = KSO4 + Cu2I
Cu + HNO3 = Cu(NO3)2 + NO + H2O =>
3 Cu + 8 HNO3 = 3 Cu(NO3)2 + 2 NO + 4 H2O
Si3N4 = N4 + Si5 =>
5 Si3N4 = 5 N4 + 3 Si5
ZnO + CO + H2 = Zn(OH)2 + C =>
ZnO + CO + H2 = Zn(OH)2 + C
Dy + O = Dy2O3 =>
2 Dy + 3 O = Dy2O3
CH3COOCH(CH3)2 + KOH = CH3COOK + CH3CH(OH)CH3 =>
CH3COOCH(CH3)2 + KOH = CH3COOK + CH3CH(OH)CH3
CH3Br + Br2 = CH3Br2 =>
2 CH3Br + Br2 = 2 CH3Br2
CuSO4 + H2SO4 = Cu(SO4)2 + H2 =>
CuSO4 + H2SO4 = Cu(SO4)2 + H2
Mg + H2O(g) = Mg(OH)2 + H2(g) =>
Mg + 2 H2O(g) = Mg(OH)2 + H2(g)
Ga2O3 + Fe = Fe3O4 + Ga =>
4 Ga2O3 + 9 Fe = 3 Fe3O4 + 8 Ga
HNO3 + BaCl2 = HCl2 + BaNO3 =>
HNO3 + BaCl2 = HCl2 + BaNO3
HPO4{-} + H2O = PO42{-} + H5O =>
3 HPO4{-} + 191 H2O = 3 PO42{-} + 77 H5O
Al2 + ZnO = Al2O + Zn =>
Al2 + ZnO = Al2O + Zn
Ba + TiCl3 = Ti + BaCl2 =>
3 Ba + 2 TiCl3 = 2 Ti + 3 BaCl2
Ca3N2 + H2O = Ca(OH)2 + NH3 =>
Ca3N2 + 6 H2O = 3 Ca(OH)2 + 2 NH3
K2CO3 + Rb = K + Rb2CO3 =>
K2CO3 + 2 Rb = 2 K + Rb2CO3
I2 + ClO3{-} + OH{-} = IO3{-} + Cl{-} + H2O =>
3 I2 + 5 ClO3{-} + 6 OH{-} = 6 IO3{-} + 5 Cl{-} + 3 H2O
P + KNO3 + H2O = H3PO4 + NO + KOH =>
3 P + 5 KNO3 + 7 H2O = 3 H3PO4 + 5 NO + 5 KOH
BaCe2 + Na2SO4 = BaSO4 + NaCe =>
BaCe2 + Na2SO4 = BaSO4 + 2 NaCe
FeCl3 + Ca(OH)2 = Fe(HO)3 + CaCl2 =>
2 FeCl3 + 3 Ca(OH)2 = 2 Fe(HO)3 + 3 CaCl2
Al3{+} + O2{-} = Al3O2 =>
Al3{+} + O2{-} = Al3O2
Ba + Zn(NO3)2 = ZnBa(NO3)2 =>
Ba + Zn(NO3)2 = ZnBa(NO3)2
Ca + HNO3 = Ca(NO3)3 + NO2 + H2O =>
Ca + 6 HNO3 = Ca(NO3)3 + 3 NO2 + 3 H2O
Ba(NO3)2 + KI = BaI2 + K(NO3) =>
Ba(NO3)2 + 2 KI = BaI2 + 2 K(NO3)
Br{-} + NO3{-} + H{+} = Br2 + NO + H2O =>
6 Br{-} + 2 NO3{-} + 8 H{+} = 3 Br2 + 2 NO + 4 H2O
IO3{-} + I{-} + H{+} = I2 + H3O =>
2 IO3{-} + 16 I{-} + 18 H{+} = 9 I2 + 6 H3O
O2 + FeCl2 + HCl = FeCl3 + H2O =>
O2 + 4 FeCl2 + 4 HCl = 4 FeCl3 + 2 H2O
C16H3 + O2 = CO2 + H2O =>
4 C16H3 + 67 O2 = 64 CO2 + 6 H2O
PI3 + PB(NO3)2 = P(NO3)3 + PBI2 =>
2 PI3 + 3 PB(NO3)2 = 2 P(NO3)3 + 3 PBI2
Al2(SO4)3(aq) + Ca3(PO4)2(s) = Ca(SO4)(s) + Al(PO4)(s) =>
Al2(SO4)3(aq) + Ca3(PO4)2(s) = 3 Ca(SO4)(s) + 2 Al(PO4)(s)
P + Br2 + H2O = H3PO4 + HBr =>
2 P + 5 Br2 + 8 H2O = 2 H3PO4 + 10 HBr
CH4(g) + CI2 = CI4(l) + HCI(g) =>
CH4(g) + 4 CI2 = CI4(l) + 4 HCI(g)
NaNO2 + KMnO4KOH = NaNO3 + K2MnO4 + H2O =>
NaNO2 + 2 KMnO4KOH = NaNO3 + 2 K2MnO4 + H2O
MgN + SnI = MgI + SnN =>
MgN + SnI = MgI + SnN
FeI3 + Cu2HCO3 = Fe2(HCO3)3 + CuI =>
2 FeI3 + 3 Cu2HCO3 = Fe2(HCO3)3 + 6 CuI
NaHCO3 + NaCl = HCl + CO2 + Na2O =>
NaHCO3 + NaCl = HCl + CO2 + Na2O
Pb(NO3) + KCrO4 = Pb(CrO4) + KNO3 =>
Pb(NO3) + KCrO4 = Pb(CrO4) + KNO3
Mg + CO2 = CO + MgO =>
Mg + CO2 = CO + MgO
Sr2CO3 + O2 = SrO + CO2 =>
2 Sr2CO3 + O2 = 4 SrO + 2 CO2
K2 = K =>
K2 = 2 K
Al + H2NO3 = H2AlNO3 =>
Al + H2NO3 = H2AlNO3
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