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4 Na2SO3 + H2SO4 = 4 Na2SO4 + H2S
CH + Cl = CHCl3 =>
CH + 3 Cl = CHCl3
Ba(HCO3)2 + H2SO4 = BaSO4 + HHCO3 =>
Ba(HCO3)2 + H2SO4 = BaSO4 + 2 HHCO3
KMnO4 + Na2CO3 = K2CO3 + NaMnO4 =>
2 KMnO4 + Na2CO3 = K2CO3 + 2 NaMnO4
Sn(OH)2 + Na2O = SnO + Na(OH) =>
Sn(OH)2 + Na2O = SnO + 2 Na(OH)
P + KMnO4 + H2O = KH2PO4 + K2HPO4 + MnO2 =>
3 P + 5 KMnO4 + 2 H2O = KH2PO4 + 2 K2HPO4 + 5 MnO2
NiSO4 + KI = KSO4 + NiI =>
NiSO4 + KI = KSO4 + NiI
I2 + C6H12 = I2C6H12 =>
I2 + C6H12 = I2C6H12
Hg + Ag = HgAg =>
Hg + Ag = HgAg
MgSO4 + Na2CO3 + H2O = Mg(OH)2 + Na2SO4 + CO2 =>
MgSO4 + Na2CO3 + H2O = Mg(OH)2 + Na2SO4 + CO2
HCHO + HCN = H2O + CH2 + CN =>
HCHO + 2 HCN = H2O + CH2 + 2 CN
Rb2S = Rb + S8 =>
8 Rb2S = 16 Rb + S8
MgO(s) + HI(aq) = MgI2 + H2O =>
MgO(s) + 2 HI(aq) = MgI2 + H2O
Sn(OH)2 + Na2O = SnO + Na(OH) =>
Sn(OH)2 + Na2O = SnO + 2 Na(OH)
NH4NO3 + (NH2)2CO = (NH4)2CO + NH2NO3 =>
2 NH4NO3 + (NH2)2CO = (NH4)2CO + 2 NH2NO3
C2H5OH + K2Cr2O7 + H2SO4 = CH3COH + Cr2(SO4)3 + K2SO4 + H2O =>
3 C2H5OH + K2Cr2O7 + 4 H2SO4 = 3 CH3COH + Cr2(SO4)3 + K2SO4 + 7 H2O
C3H5(OH)3 + C17H33COOH = C3H5(C17H33COO)3 + H2O =>
C3H5(OH)3 + 3 C17H33COOH = C3H5(C17H33COO)3 + 3 H2O
NiO + NaOH = Na2NiO2 + H2O =>
NiO + 2 NaOH = Na2NiO2 + H2O
Na + NHO3 = NaNO3 + NH3 + H2O =>
8 Na + 9 NHO3 = 8 NaNO3 + NH3 + 3 H2O
Sr + Al(NO3)3 = Al + Sr(NO3) =>
3 Sr + Al(NO3)3 = Al + 3 Sr(NO3)
Mg(NO3)2(aq) + Na2SO4(aq) = MgSO4 + NaNO3 =>
Mg(NO3)2(aq) + Na2SO4(aq) = MgSO4 + 2 NaNO3
C6H6 + Cl2 = HCl + C6H5Cl =>
C6H6 + Cl2 = HCl + C6H5Cl
KSCN + KCr(SO4)2*12H2O = K2SO4 + K3[Cr(NCS)6] + H2O =>
6 KSCN + KCr(SO4)2*12H2O = 2 K2SO4 + K3[Cr(NCS)6] + 12 H2O
H2C2O4 + NaOH = Na2C2O4 + H2O =>
H2C2O4 + 2 NaOH = Na2C2O4 + 2 H2O
Pb + FeBr3 = PbBr4 + Fe =>
3 Pb + 4 FeBr3 = 3 PbBr4 + 4 Fe
CH3OH + C2H4 = C2H5OH =>
2 CH3OH + C2H4 = 2 C2H5OH
Na(s) + KNO3 = K2O + Na2O + N2 =>
10 Na(s) + 2 KNO3 = K2O + 5 Na2O + N2
Ti + CuO = TiO + Cu =>
Ti + CuO = TiO + Cu
H2S + H2O2 = H2SO4 + H2O =>
H2S + 4 H2O2 = H2SO4 + 4 H2O
Ca + H{+} = Ca2{+} + H2 =>
4 Ca + 2 H{+} = 2 Ca2{+} + H2
Ca(ClO3) = Ca + ClO3 =>
Ca(ClO3) = Ca + ClO3
C8H7O2COOH + NaOH = NaCOOH + C8H7O2OH =>
C8H7O2COOH + NaOH = NaCOOH + C8H7O2OH
Ca(s) + O2 = CaO =>
2 Ca(s) + O2 = 2 CaO
Pb(OH)2 + OH = [Pb(OH)4]2 =>
2 Pb(OH)2 + 4 OH = [Pb(OH)4]2
CH3(CH2)CH3(g) + O2(g) = CO2(g) + H2O(g) =>
CH3(CH2)CH3(g) + 5 O2(g) = 3 CO2(g) + 4 H2O(g)
PO4 + C = P4 + CO =>
4 PO4 + 16 C = P4 + 16 CO
BaCO3 + AgNO3 = Ag2CO3 + Ba(NO3)2 =>
BaCO3 + 2 AgNO3 = Ag2CO3 + Ba(NO3)2
KBrO3 + H2SO4 = HBrO4 + BrO2 + K2SO4 + H2O =>
6 KBrO3 + 3 H2SO4 = 2 HBrO4 + 4 BrO2 + 3 K2SO4 + 2 H2O
Tl + Br2 = TlBr3 =>
2 Tl + 3 Br2 = 2 TlBr3
I2 + C6H14 = I2H14 + C6 =>
I2 + C6H14 = I2H14 + C6
Ca + H{+} = Ca{+} + H2 =>
2 Ca + 2 H{+} = 2 Ca{+} + H2
H2(g) + I2(s) = HI(g) =>
H2(g) + I2(s) = 2 HI(g)
NO3 + H2SO4 = H2 + (NO3)2SO4 =>
2 NO3 + H2SO4 = H2 + (NO3)2SO4
H3PO3 + Na = Na3(PO3) + H2 =>
2 H3PO3 + 6 Na = 2 Na3(PO3) + 3 H2
CaO + Cl2O7 = CaCl2 + O2 =>
CaO + Cl2O7 = CaCl2 + 4 O2
CoC2O4 = Co3O4 + CO2 + CO =>
3 CoC2O4 = Co3O4 + 2 CO2 + 4 CO
H2PO4{-} + NaOH = Na{+} + HPO4{-2} + H2O =>
H2PO4{-} + NaOH = Na{+} + HPO4{-2} + H2O
Mg + Na = Mg3Na2 =>
3 Mg + 2 Na = Mg3Na2
H3PO4 + HI = PH3 + I2 + H2O =>
H3PO4 + 8 HI = PH3 + 4 I2 + 4 H2O
C + HNO3 = CO2 + NO + H2O =>
3 C + 4 HNO3 = 3 CO2 + 4 NO + 2 H2O
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