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H2SO4(g) + CaCO3(s) = CaSO4 + H2O + CO2(g)
CH3COO + NH3H2 + C2O4 = CH3COOH2C2O4 + NH3 =>
CH3COO + NH3H2 + C2O4 = CH3COOH2C2O4 + NH3
HIO4 = I2O5 + H2O + O2 =>
2 HIO4 = I2O5 + H2O + O2
Cr2O3 + Al = Cr + Al2O3 =>
Cr2O3 + 2 Al = 2 Cr + Al2O3
(CH3)2CHOH + K2Cr2O7 + H2SO4 = C3H6O2 + Cr2(SO4)3 + H2O + K2SO4 =>
3(CH3)2CHOH + 2 K2Cr2O7 + 8 H2SO4 = 3 C3H6O2 + 2 Cr2(SO4)3 + 11 H2O + 2 K2SO4
Sr(NO3)2 + K2CO3 = K(NO3) + SrCO3 =>
Sr(NO3)2 + K2CO3 = 2 K(NO3) + SrCO3
H2O + Fe203 = Fe(OH)3 + H2 =>
1218 H2O + 2 Fe203 = 406 Fe(OH)3 + 609 H2
NH4I + F2 = I2 + NH4F =>
2 NH4I + F2 = I2 + 2 NH4F
FeSO4*7H2O + NaBH4 = Fe + Na2SO4 + BH3 + H2 + H2O =>
FeSO4*7H2O + 2 NaBH4 = Fe + Na2SO4 + 2 BH3 + H2 + 7 H2O
Hg2(NO3)2 + KCl = Cl(NO3)2 + Hg2K =>
Hg2(NO3)2 + KCl = Cl(NO3)2 + Hg2K
Sr(NO3)2 + CuSO4 = SrSO4 + Cu(NO3)2 =>
Sr(NO3)2 + CuSO4 = SrSO4 + Cu(NO3)2
C4 + H1 + O2 = C4H2O =>
2 C4 + 4 H1 + O2 = 2 C4H2O
CoSO4 + Na2HPO4 = CoPO4 + Na2SO4 + H2 =>
2 CoSO4 + 2 Na2HPO4 = 2 CoPO4 + 2 Na2SO4 + H2
KBr + PbO2 + CH3COOH = Br2 + Pb(CH3COO)2 + KCH3COO + H2O =>
2 KBr + PbO2 + 4 CH3COOH = Br2 + Pb(CH3COO)2 + 2 KCH3COO + 2 H2O
K + O2 = K2O = KOH =>
4 K + O2 = 2 K2O
Ba(NO3)2 + Na2CrO4 = BaCrO4 + NaNO3 =>
Ba(NO3)2 + Na2CrO4 = BaCrO4 + 2 NaNO3
RbI + NH4NO3 = RbNO3 + NH4I =>
RbI + NH4NO3 = RbNO3 + NH4I
NaOH + BaCl = Ba(OH) + NaCl =>
NaOH + BaCl = Ba(OH) + NaCl
Zn + Cu3(SO4)2 = ZnSO4 + Cu =>
2 Zn + Cu3(SO4)2 = 2 ZnSO4 + 3 Cu
S(s) + HNO3(aq) = H2SO4(aq) + H20(g) + NO2(l) =>
10 S(s) + 40 HNO3(aq) = 10 H2SO4(aq) + H20(g) + 40 NO2(l)
Al + HCl = AlCl3 + H2 =>
2 Al + 6 HCl = 2 AlCl3 + 3 H2
NH3 + HNO3 = N2O3 + H2O =>
NH3 + 3 HNO3 = 2 N2O3 + 3 H2O
HCl + Na2S2O3 = HS2O3 + Na2Cl =>
HCl + Na2S2O3 = HS2O3 + Na2Cl
Fe + N2 = FeN =>
2 Fe + N2 = 2 FeN
CH3CH2CH + O2 = H2O + CHCOOH =>
4 CH3CH2CH + 9 O2 = 6 H2O + 6 CHCOOH
HI + NaOH = INa + H2O =>
HI + NaOH = INa + H2O
C25H52OH + O2 = CO2 + H2O =>
4 C25H52OH + 151 O2 = 100 CO2 + 106 H2O
C4H10 + O2(g) = CO2 + H2O2 =>
C4H10 + 9 O2(g) = 4 CO2 + 5 H2O2
Br2 + S + H2O = HBr + H2SO4 =>
3 Br2 + S + 4 H2O = 6 HBr + H2SO4
C3H5(NO3)3 = CO2 + N2 + H2O + O2 =>
4 C3H5(NO3)3 = 12 CO2 + 6 N2 + 10 H2O + O2
SO3 + H2O = H2SO4 =>
SO3 + H2O = H2SO4
S2{-} + Cl2 + H2O = SO42{-} + HCl{-} + H{+} =>
4 S2{-} + 167 Cl2 + 336 H2O = 8 SO42{-} + 334 HCl{-} + 338 H{+}
C12H26(l) + O2 = CO2(g) + H2O(l) =>
2 C12H26(l) + 37 O2 = 24 CO2(g) + 26 H2O(l)
Pb(CH3CO2)2 + KI = PbI2 + K(CH3CO2) =>
Pb(CH3CO2)2 + 2 KI = PbI2 + 2 K(CH3CO2)
C10H8OH + NaOH = C10H8ONa + H2O =>
C10H8OH + NaOH = C10H8ONa + H2O
Mg(CN)2 + KNO3 = Mg(NO3)2 + KCN =>
Mg(CN)2 + 2 KNO3 = Mg(NO3)2 + 2 KCN
Al + H2SO4 = Al2(SO4)3 + H2 =>
2 Al + 3 H2SO4 = Al2(SO4)3 + 3 H2
Na2O + CrO3 = Na2CrO4 =>
Na2O + CrO3 = Na2CrO4
Al + O2 = Al2O3 =>
4 Al + 3 O2 = 2 Al2O3
Cr(OH)3 + NaOH = Cr(OH)6 + Na =>
Cr(OH)3 + 3 NaOH = Cr(OH)6 + 3 Na
LiCl(aq) + MgBr2(aq) = LiBr(aq) + MgCl2(aq) =>
2 LiCl(aq) + MgBr2(aq) = 2 LiBr(aq) + MgCl2(aq)
Cl + NaOH = Na + Cl(OH) =>
Cl + NaOH = Na + Cl(OH)
K2Cr2O7 + AgNO3 + H2O = Ag2CrO4 + KNO3 + H2Cr2O7 =>
2 K2Cr2O7 + 4 AgNO3 + H2O = 2 Ag2CrO4 + 4 KNO3 + H2Cr2O7
Sb + O2 = Sb4O6 =>
4 Sb + 3 O2 = Sb4O6
PbS + O2 = PbO + SO2 =>
2 PbS + 3 O2 = 2 PbO + 2 SO2
Al + AuCl = AlCl3 + Au =>
Al + 3 AuCl = AlCl3 + 3 Au
Al + O2 = Al2O3 =>
4 Al + 3 O2 = 2 Al2O3
BaSO4 + CuCl2 = BaCl2 + CuSO4 =>
BaSO4 + CuCl2 = BaCl2 + CuSO4
Sn3(PO4)2 + Fe(ClO3)3 = Sn(ClO3)2 + FePO4 =>
Sn3(PO4)2 + 2 Fe(ClO3)3 = 3 Sn(ClO3)2 + 2 FePO4
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
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