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H2SiO3 = SiO2 + H2O
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
NaCl(ac) + CaSO4(ac) = CaCl2(ac) + Na2SO4(ac) =>
2 NaCl(ac) + CaSO4(ac) = CaCl2(ac) + Na2SO4(ac)
CaCl2 + CO(NO3)2 = Ca(NO3)2 + COCl2 =>
CaCl2 + CO(NO3)2 = Ca(NO3)2 + COCl2
CuSO4 + KL = Cu + K2SO4 + L2 =>
CuSO4 + 2 KL = Cu + K2SO4 + L2
Al + O2 = Al2O3 =>
4 Al + 3 O2 = 2 Al2O3
Pb[NO3]2 + NaI = PbI2 + NaNO3 =>
Pb[NO3]2 + 2 NaI = PbI2 + 2 NaNO3
VO{2+} + MnO4{-} + H2O = VO3{-} + Mn{2+} + H{+} =>
5 VO{2+} + MnO4{-} + 6 H2O = 5 VO3{-} + Mn{2+} + 12 H{+}
(SO3) = (SO2) + O2 =>
2(SO3) = 2(SO2) + O2
ZnS + O2 + NaOH = ZnO + Na2SO3 + H2O =>
2 ZnS + 3 O2 + 4 NaOH = 2 ZnO + 2 Na2SO3 + 2 H2O
H2S + Cr2O2{-} + H{+} = S + Cr3{+} + H2O =>
7 H2S + 6 Cr2O2{-} + 10 H{+} = 7 S + 4 Cr3{+} + 12 H2O
MnO4 + HI = MnI2 + I2 + H2O =>
MnO4 + 8 HI = MnI2 + 3 I2 + 4 H2O
H2 + P{-3} = H{-} + P =>
3 H2 + 2 P{-3} = 6 H{-} + 2 P
Al(OH)3 + HO = AlO2 + H2O =>
Al(OH)3 + HO = AlO2 + 2 H2O
C6H5CH2OH + CH3CO2H = C6H5CH2OCOCH3 + H2O =>
C6H5CH2OH + CH3CO2H = C6H5CH2OCOCH3 + H2O
KNO2 + H2SO4 = HNO2 + K2SO4 =>
2 KNO2 + H2SO4 = 2 HNO2 + K2SO4
Al + CO2 = Al3CO2 =>
3 Al + CO2 = Al3CO2
NaOH + Al(OH)3 = Na3[Al(OH)6] =>
3 NaOH + Al(OH)3 = Na3[Al(OH)6]
C9H8O4 + NaOH = NaC + H2O + C3H4O3 =>
5 C9H8O4 + 18 NaOH = 18 NaC + 11 H2O + 9 C3H4O3
NH3 + Mg = Mg3N2 + H2 =>
2 NH3 + 3 Mg = Mg3N2 + 3 H2
KOH + ZnCl2 = Zn(OH)2 + KCl =>
2 KOH + ZnCl2 = Zn(OH)2 + 2 KCl
Ag(NH3) + HNO3 = AgHNO3 + NH3 =>
Ag(NH3) + HNO3 = AgHNO3 + NH3
K2Cr2O7 + S + H2O = KOH + Cr2O3 + SO4 =>
4 K2Cr2O7 + 3 S + 4 H2O = 8 KOH + 4 Cr2O3 + 3 SO4
C7OH6 + C3OH6 = C17H14O + H2O =>
2 C7OH6 + C3OH6 = C17H14O + 2 H2O
COOH + O2 = COO + H2O =>
4 COOH + O2 = 4 COO + 2 H2O
Na2S2O8 = Na2O + SO2 + O2 =>
2 Na2S2O8 = 2 Na2O + 4 SO2 + 3 O2
Mn4C3 + H2O = Mn(OH)3 + CH4 =>
Mn4C3 + 12 H2O = 4 Mn(OH)3 + 3 CH4
As2O3 + Zn + H{+} = As2H3 + Zn{2+} + H2O =>
2 As2O3 + 9 Zn + 18 H{+} = 2 As2H3 + 9 Zn{2+} + 6 H2O
Ca(OH)2(aq) + HC2H3O2 = H2O + Ca(C2H3O2)2 =>
Ca(OH)2(aq) + 2 HC2H3O2 = 2 H2O + Ca(C2H3O2)2
Zn + PbNO3{-} = ZnNO3{-} + Pb =>
Zn + PbNO3{-} = ZnNO3{-} + Pb
CH3COOHBaOH = CH3COOBaH2O =>
CH3COOHBaOH = CH3COOBaH2O
(NH4)2S + NaOH = Na2S + NH3 + H2O =>
(NH4)2S + 2 NaOH = Na2S + 2 NH3 + 2 H2O
Al + iodine = AlI3 =>
2 Al + 3 I2 = 2 AlI3
NiS2O8 + HNO3 = Ni(NO3)2 + H2S2O8 =>
NiS2O8 + 2 HNO3 = Ni(NO3)2 + H2S2O8
P2O5 + K2HPO4 + H2O = KH2PO4 =>
P2O5 + 2 K2HPO4 + 3 H2O = 4 KH2PO4
K2CO3 + Na2SO4 = Na2CO3 + K2SO4 =>
K2CO3 + Na2SO4 = Na2CO3 + K2SO4
H2SO3 + HNO3 = NO + H2SO4 + H2O =>
3 H2SO3 + 2 HNO3 = 2 NO + 3 H2SO4 + H2O
Cu2SO4 = Cu2O + SO3 =>
Cu2SO4 = Cu2O + SO3
Co(OH)2 + Cl2 + NaOH = Co(OH)3 + NaCl =>
2 Co(OH)2 + Cl2 + 2 NaOH = 2 Co(OH)3 + 2 NaCl
Ga(OH) + HNO3 = Ga(NO3) + H2O =>
Ga(OH) + HNO3 = Ga(NO3) + H2O
Na + HNO3 = H2O + NaNO3 + N2 =>
10 Na + 12 HNO3 = 6 H2O + 10 NaNO3 + N2
KClO3 + P4 = KCl + P4O10 =>
10 KClO3 + 3 P4 = 10 KCl + 3 P4O10
Pb(C2H3O2)2 + Ca = Ca(C2H3O2)2 + Pb =>
Pb(C2H3O2)2 + Ca = Ca(C2H3O2)2 + Pb
C2H2NO2 + H2 = C2H5NH2 + H2O =>
2 C2H2NO2 + 9 H2 = 2 C2H5NH2 + 4 H2O
C51H104 + O2 = CO2 + H2O =>
C51H104 + 77 O2 = 51 CO2 + 52 H2O
C6H6(C3H7)4 + KMnO4 + H2SO4 = C6H6(COOH)4 + H2O + K2SO4 + MnSO4 =>
25 C6H6(C3H7)4 + 224 KMnO4 + 336 H2SO4 = 45 C6H6(COOH)4 + 536 H2O + 112 K2SO4 + 224 MnSO4
BaI2 + K2CO3 = BaCO3 + KI =>
BaI2 + K2CO3 = BaCO3 + 2 KI
Na2MnO4 + MnO2 = NaMnO4 + Mn =>
Na2MnO4 + 2 MnO2 = 2 NaMnO4 + Mn
Al + HNO3 = NO + H2O + AlNO3 =>
3 Al + 4 HNO3 = NO + 2 H2O + 3 AlNO3
*Mn2O7(l) + C2H6OH(l) = *MnO2(s) + *CO2(g) + *H2O(g) =>
13*Mn2O7(l) + 6 C2H6OH(l) = 26*MnO2(s) + 12*CO2(g) + 21*H2O(g)
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