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3 Ca + 2 Fe2O3 = 4 Fe + 3 CaO2
NH4Cl + HCl = NH4H + Cl =>
NH4Cl + HCl = NH4H + 2 Cl
C2H6O(l) + O2(g) = CO2(g) + H2O(k) =>
C2H6O(l) + 3 O2(g) = 2 CO2(g) + 3 H2O(k)
Cu(NO3)2 + Na2CO3 = Cu(NO3)2Na2CO3 =>
Cu(NO3)2 + Na2CO3 = Cu(NO3)2Na2CO3
Zn + H3PO4 = (Zn3(PO4)2) + H2 =>
3 Zn + 2 H3PO4 = (Zn3(PO4)2) + 3 H2
Cu(OH)2(t) = CuO + H2O =>
Cu(OH)2(t) = CuO + H2O
Mg + Ba(OH)2 = Mg(OH)2 + Ba =>
Mg + Ba(OH)2 = Mg(OH)2 + Ba
ZnCl2 + H2SO4 = ZnSO4 + H2 + Cl2 =>
ZnCl2 + H2SO4 = ZnSO4 + H2 + Cl2
PbCrO4 = Pb + Cr + O =>
PbCrO4 = Pb + Cr + 4 O
AlCl3 + AgNO3 = AgCl + Al(NO3)3 =>
AlCl3 + 3 AgNO3 = 3 AgCl + Al(NO3)3
Fe2O3 + Cu = CuO + FeO =>
Fe2O3 + Cu = CuO + 2 FeO
Ca(H2PO4)2 + AgNO3 = Ag3(PO4) + HNO3 + Ca(NO3)2 =>
Ca(H2PO4)2 + 6 AgNO3 = 2 Ag3(PO4) + 4 HNO3 + Ca(NO3)2
Sn + ZnH2O = Sn(H2O) + Zn =>
Sn + ZnH2O = Sn(H2O) + Zn
Ca + Cu(NO3)2 = Ca(NO3) + Cu =>
2 Ca + Cu(NO3)2 = 2 Ca(NO3) + Cu
W + Sn(NO3)4 = W(NO3)2 + Sn =>
2 W + Sn(NO3)4 = 2 W(NO3)2 + Sn
C8H18(l) + O2(g) = CO2(g) + H2O(l) =>
2 C8H18(l) + 25 O2(g) = 16 CO2(g) + 18 H2O(l)
K2Cr2O7 + H2S = K2S + H2Cr2O7 =>
K2Cr2O7 + H2S = K2S + H2Cr2O7
K2SO4 + KOH = K + SO2 + HO4 =>
3 K2SO4 + 2 KOH = 8 K + 3 SO2 + 2 HO4
K2Cr2O7 + H2S = K2S + H2Cr2O7 =>
K2Cr2O7 + H2S = K2S + H2Cr2O7
ZnCl + AgNO3 = AgCl + Zn(NO3) =>
ZnCl + AgNO3 = AgCl + Zn(NO3)
CuCl2 + AgNO3 = Cu(NO3)2 + AgCl = =>
CuCl2 + 2 AgNO3 = Cu(NO3)2 + 2 AgCl
K2Cr2O7 + H2S = Cr2O3 + KOH + SO2 =>
K2Cr2O7 + H2S = Cr2O3 + 2 KOH + SO2
NaPO4 + AgNO3 = NaAg + PO4NO3 =>
NaPO4 + AgNO3 = NaAg + PO4NO3
K2Cr2O7 + H2S = Cr(OH)3 + S + K2S + H2O =>
K2Cr2O7 + 4 H2S = 2 Cr(OH)3 + 3 S + K2S + H2O
CaCO3 + HCl = CO2 + CaCl2 + H2O =>
CaCO3 + 2 HCl = CO2 + CaCl2 + H2O
K2Cr2O7 + H2S = Cr2O3 + S + K2S + H2O =>
K2Cr2O7 + 4 H2S = Cr2O3 + 3 S + K2S + 4 H2O
Mg + KOH = MgK + OH =>
Mg + KOH = MgK + OH
MgBr2(l) = Mg(l) + Br2(g) =>
MgBr2(l) = Mg(l) + Br2(g)
SO3 + O2 = SO4 =>
2 SO3 + O2 = 2 SO4
Kl + Cl2 = KlCl2 =>
Kl + Cl2 = KlCl2
CaO + CaCo3 = CaOCaCo3 =>
CaO + CaCo3 = CaOCaCo3
Pb(CH3COO)2 + Na2CO3 = PbCO3 + CH3COONa =>
Pb(CH3COO)2 + Na2CO3 = PbCO3 + 2 CH3COONa
N2 + H2O = NH3 + N2O =>
4 N2 + 3 H2O = 2 NH3 + 3 N2O
CH3COOH + O2 = CO2 + H2O =>
CH3COOH + 2 O2 = 2 CO2 + 2 H2O
K2Cr2O7 + H2S = K2S + H2Cr2O7 =>
K2Cr2O7 + H2S = K2S + H2Cr2O7
C6H5O + O2 = CO2 + H2O =>
4 C6H5O + 27 O2 = 24 CO2 + 10 H2O
BaSO4 + H2SO4 = H2Ba + SO4 =>
BaSO4 + H2SO4 = H2Ba + 2 SO4
Cu(OH)2 + K2CO3 = CuCO3 + KOH =>
Cu(OH)2 + K2CO3 = CuCO3 + 2 KOH
Al + (H2SO4)3 = Al2(SO4)3 + H =>
2 Al + (H2SO4)3 = Al2(SO4)3 + 6 H
H2(g) + V2O5(S) = V2O3(S) + H2O(e) =>
2 H2(g) + V2O5(S) = V2O3(S) + 2 H2O(e)
KI + K(ClO3) + H2O = I2 + KCl + KOH =>
6 KI + K(ClO3) + 3 H2O = 3 I2 + KCl + 6 KOH
SiO2 + MgSiO3 + Fe3O4 + SO2 + Na = Na2Mg2Si6O15 + FeS =>
40 SiO2 + 20 MgSiO3 + Fe3O4 + 3 SO2 + 20 Na = 10 Na2Mg2Si6O15 + 3 FeS
P4 + O2 = P4O13 =>
2 P4 + 13 O2 = 2 P4O13
CH3CHOHCH + O2 = CO2 + H2O =>
CH3CHOHCH + 4 O2 = 3 CO2 + 3 H2O
NaHSO3 + KMnO4 + HCl = H2O + KCl + MnCl2 + NaHSO4 =>
5 NaHSO3 + 2 KMnO4 + 6 HCl = 3 H2O + 2 KCl + 2 MnCl2 + 5 NaHSO4
(H2O2) = (O2) + (H2) =>
(H2O2) = (O2) + (H2)
KI + CuSO = KSO + CuI =>
KI + CuSO = KSO + CuI
HI + NaNO2 + H2SO4 = I2 + NO + Na2SO4 + H2O =>
2 HI + 2 NaNO2 + H2SO4 = I2 + 2 NO + Na2SO4 + 2 H2O
H2SO4 + NaOH = Na2SO4 + H2O =>
H2SO4 + 2 NaOH = Na2SO4 + 2 H2O
C7H6O2 + NaOH = C7H5O2 + Na + H2O =>
C7H6O2 + NaOH = C7H5O2 + Na + H2O
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