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(NH4)2S + 2 HCl = 2 NH4Cl + H2S
PbO2 = O2 + Pb2 =>
2 PbO2 = 2 O2 + Pb2
Na2SO3 + H2O = Na2SO4 + H2 =>
Na2SO3 + H2O = Na2SO4 + H2
HCOOH + Mg = (COOH)2Mg + H2 =>
2 HCOOH + Mg = (COOH)2Mg + H2
AI + H2O = AIO3 + H2 =>
AI + 3 H2O = AIO3 + 3 H2
Cr(OH)6 + H2SiO3 = Cr(SiO3)3 + H2O =>
Cr(OH)6 + 3 H2SiO3 = Cr(SiO3)3 + 6 H2O
HNO3 + Ca(OH)2 = H2O + Ca(NO3)2 =>
2 HNO3 + Ca(OH)2 = 2 H2O + Ca(NO3)2
C17H33COOC2H5 + H2O = C17H33COOH + C2H5OH =>
C17H33COOC2H5 + H2O = C17H33COOH + C2H5OH
Br2 + NaOH = NaBr + H2O2 =>
Br2 + 2 NaOH = 2 NaBr + H2O2
NaNO2 + H2SO4 + FeSO4 = Fe(SO4)3 + NO + Na2SO4 + H2O =>
4 NaNO2 + 4 H2SO4 + FeSO4 = Fe(SO4)3 + 4 NO + 2 Na2SO4 + 4 H2O
CH3COOH + K = (CH3COO)2K + H2 =>
2 CH3COOH + K = (CH3COO)2K + H2
Ba + HNO3 = Ba(NO3)2 + NH4NO3 + H2O =>
4 Ba + 10 HNO3 = 4 Ba(NO3)2 + NH4NO3 + 3 H2O
NaF + KOH = NaOH + KF =>
NaF + KOH = NaOH + KF
C6H12(l) + O2(g) = CO2(g) + H2O(l) =>
C6H12(l) + 9 O2(g) = 6 CO2(g) + 6 H2O(l)
Cu + NaNO3 + KHSO4 = Cu(NO3)2 + K2SO4 + Na2SO4 + NO + H2O =>
3 Cu + 8 NaNO3 + 8 KHSO4 = 3 Cu(NO3)2 + 4 K2SO4 + 4 Na2SO4 + 2 NO + 4 H2O
K2S + (Al2(CO3)3) = (K2CO3) + Al2S3 =>
3 K2S + (Al2(CO3)3) = 3(K2CO3) + Al2S3
NiCl2 + Na4C = Ni4C2 + NaCl =>
4 NiCl2 + 2 Na4C = Ni4C2 + 8 NaCl
AgNO3 + KCI = AgCI + KNO3 =>
AgNO3 + KCI = AgCI + KNO3
Pb(NO3)2(aq) + KI(aq) = PbI2(s) + K(NO3)(aq) =>
Pb(NO3)2(aq) + 2 KI(aq) = PbI2(s) + 2 K(NO3)(aq)
H2O2 = O2O2 + H2O =>
4 H2O2 = O2O2 + 4 H2O
CO2 + KOH = K2(CO3) + H2O =>
CO2 + 2 KOH = K2(CO3) + H2O
F2(g) + NaOH = NaF + H2O(g) + O2 =>
2 F2(g) + 4 NaOH = 4 NaF + 2 H2O(g) + O2
CH3 + OHO2 = CO2 + H2O =>
5 CH3 + 7 OHO2 = 5 CO2 + 11 H2O
sulfur + oxygen = sulfurdioxide =>
S + O2 = SO2
H2O + CaC2 = H2C2 + Ca(OH)2 =>
2 H2O + CaC2 = H2C2 + Ca(OH)2
KI + H3PO4 = HI + KH2PO4 =>
KI + H3PO4 = HI + KH2PO4
C20H24N2O2 + O2 = CO2 + H2O + N =>
C20H24N2O2 + 25 O2 = 20 CO2 + 12 H2O + 2 N
NaOHHNO2 = NaNO2H2O =>
NaOHHNO2 = NaNO2H2O
Al + NaOH = Al(OH)6 + Na =>
Al + 6 NaOH = Al(OH)6 + 6 Na
Ba(NO3)2 + Fe2(SO4)3 = BaSO4 + Fe(NO3)3 =>
3 Ba(NO3)2 + Fe2(SO4)3 = 3 BaSO4 + 2 Fe(NO3)3
OFeCl2 + H2O = FeO4 + H2 + HCl =>
OFeCl2 + 3 H2O = FeO4 + 2 H2 + 2 HCl
I2 + (HNO3) = (HIO3) + NO + (H2)O =>
3 I2 + 10(HNO3) = 6(HIO3) + 10 NO + 2(H2)O
C2H3COOH + Cu(OH)2 = Cu2O + H2O + H2CO3 =>
C2H3COOH + 12 Cu(OH)2 = 6 Cu2O + 11 H2O + 3 H2CO3
Pb(CH3COO)2(H2O)3 + Na2CO3 = PbCO3 + NaCH3COO + H2O =>
Pb(CH3COO)2(H2O)3 + Na2CO3 = PbCO3 + 2 NaCH3COO + 3 H2O
AuO3 = Au + O2 =>
2 AuO3 = 2 Au + 3 O2
NaCO3 + Zn(CH3CCOO)2 = Zn(CO3)2 + NaCH3CCOO =>
2 NaCO3 + Zn(CH3CCOO)2 = Zn(CO3)2 + 2 NaCH3CCOO
CuS + H2SO4 + HCl = CuCl2 + SO2 + H2O =>
CuS + 3 H2SO4 + 2 HCl = CuCl2 + 4 SO2 + 4 H2O
C8H12OS + O2 = CO2 + H2 + S =>
2 C8H12OS + 15 O2 = 16 CO2 + 12 H2 + 2 S
PbO2(s) + HCl(aq) = PbCl2(s) + Cl2(g) + H2O(l) =>
PbO2(s) + 4 HCl(aq) = PbCl2(s) + Cl2(g) + 2 H2O(l)
KHSO4 + (CuOH)2CO3 = CuSO4 + K2SO4 + CO2 + H2O =>
4 KHSO4 + (CuOH)2CO3 = 2 CuSO4 + 2 K2SO4 + CO2 + 3 H2O
H2SO4 + BaCl = BaClSO4 + H2 =>
H2SO4 + BaCl = BaClSO4 + H2
NaHCO3(aq) + H2SO4(aq) = Na2SO4 + H2O + CO2 =>
2 NaHCO3(aq) + H2SO4(aq) = Na2SO4 + 2 H2O + 2 CO2
C6H5CH2OH + Br2 = Br3C6H2CH2OH + HBr =>
C6H5CH2OH + 3 Br2 = Br3C6H2CH2OH + 3 HBr
PCl5 + H2O = H3PO4 + HCl =>
PCl5 + 4 H2O = H3PO4 + 5 HCl
P + Cl = P4Cl =>
4 P + Cl = P4Cl
ZnCO = ZnC + O2 =>
2 ZnCO = 2 ZnC + O2
H + Cr2O7({-}2) + H2SO4 = Cr3 + HSO4({-}) + H2O =>
39 H + 3 Cr2O7({-}2) + 3 H2SO4 = 2 Cr3 + 3 HSO4({-}) + 21 H2O
Ca(OH)2 + H3PO4 = Ca3(PO4)2 + H2O =>
3 Ca(OH)2 + 2 H3PO4 = Ca3(PO4)2 + 6 H2O
Cl2 + AlN = AlCl3 + N2 =>
3 Cl2 + 2 AlN = 2 AlCl3 + N2
HOOCCOOH + Mg = MgOOCCOOMg + H2 =>
HOOCCOOH + 2 Mg = MgOOCCOOMg + H2
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