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NiCO3(s) + 2 HI(aq) = CO2(g) + H2O(l) + NiI2(aq)
C2H5OH + O2 = CO + H2O =>
C2H5OH + 2 O2 = 2 CO + 3 H2O
NO2{-} + Fe{3} + OH{-} = NO3{-} + Fe{2} + H2O =>
NO2{-} + 2 Fe{3} + 2 OH{-} = NO3{-} + 2 Fe{2} + H2O
KSCN + Fe(NO3)3 = KS(NO3)3 + CNFe =>
KSCN + Fe(NO3)3 = KS(NO3)3 + CNFe
CaCO3 + HCl = CaCl2 + H2CO3 =>
CaCO3 + 2 HCl = CaCl2 + H2CO3
HBr + HI = H2 + IBr =>
HBr + HI = H2 + IBr
PH3(g) + O2(g) = P4O10(s) + H2O(g) =>
4 PH3(g) + 8 O2(g) = P4O10(s) + 6 H2O(g)
F2S3 = F + S =>
F2S3 = 2 F + 3 S
FeCl3 + NaOH = Fe(OH)3 + Na3(Cl)3 =>
FeCl3 + 3 NaOH = Fe(OH)3 + Na3(Cl)3
H2SO4 + FeC2O4 + KMnO4 = Fe2(SO4)3 + MnSO4 + CO2 + H2O + K2SO4 =>
24 H2SO4 + 10 FeC2O4 + 6 KMnO4 = 5 Fe2(SO4)3 + 6 MnSO4 + 20 CO2 + 24 H2O + 3 K2SO4
La(CH3COO)3*H2O + NaOH = La(OH)3 + NaCH3COO + H2O =>
La(CH3COO)3*H2O + 3 NaOH = La(OH)3 + 3 NaCH3COO + H2O
Fe3O4 + H2 = Fe + H2O =>
Fe3O4 + 4 H2 = 3 Fe + 4 H2O
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
CH3CHO + O2 = CH3O2 + CHOO2 =>
CH3CHO + 2 O2 = CH3O2 + CHOO2
K(OH) + Al(NO3)3 = KNO3 + Al(OH)3 =>
3 K(OH) + Al(NO3)3 = 3 KNO3 + Al(OH)3
CaCl2 + Na2CO3 = CaCO3 + NaCl =>
CaCl2 + Na2CO3 = CaCO3 + 2 NaCl
K2CO3 + H2SO4 = K2SO4 + CO3H2 =>
K2CO3 + H2SO4 = K2SO4 + CO3H2
Fe(OH)3 + HNO3 = Fe(NO3)3 + H2O =>
Fe(OH)3 + 3 HNO3 = Fe(NO3)3 + 3 H2O
ZnO + CO = Zn + CO2 =>
ZnO + CO = Zn + CO2
Zn + Au2O3 = ZnO + Au =>
3 Zn + Au2O3 = 3 ZnO + 2 Au
Fe*Cl2 = FeCl2 =>
Fe*Cl2 = FeCl2
KBr(aq) + Pb(NO3)2 = PbBr2(s) + KNO3(aq) =>
2 KBr(aq) + Pb(NO3)2 = PbBr2(s) + 2 KNO3(aq)
Mn(OH)3 + KI + HCl = MnCl2 + I + H2O + KCl =>
Mn(OH)3 + KI + 3 HCl = MnCl2 + I + 3 H2O + KCl
Co(NO3)2 + BaCl2 = Ba(NO3)2 + CoCl2 =>
Co(NO3)2 + BaCl2 = Ba(NO3)2 + CoCl2
Ca(OH)2 + H2Po4 = Ca(Po)4 + H2O =>
Ca(OH)2 + H2Po4 = Ca(Po)4 + 2 H2O
FeHgCl2 = FeCl2Hg =>
FeHgCl2 = FeCl2Hg
Rb + O2 = Rb2O =>
4 Rb + O2 = 2 Rb2O
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
PbCl2 + H2SO4 = PbSO4 + HCl =>
PbCl2 + H2SO4 = PbSO4 + 2 HCl
FeCl3(aq) + Hg2(NO3)2(aq) = Fe(NO3)3 + HgCl =>
2 FeCl3(aq) + 3 Hg2(NO3)2(aq) = 2 Fe(NO3)3 + 6 HgCl
Se + S = SeS =>
Se + S = SeS
Li + KF = LiF + K =>
Li + KF = LiF + K
HNO2 + CO(NH2)2 = H2O + CO2 + N2 =>
2 HNO2 + CO(NH2)2 = 3 H2O + CO2 + 2 N2
K2SO4 + HCl = H2SO4 + KCl =>
K2SO4 + 2 HCl = H2SO4 + 2 KCl
V2O3 + NaOH = NaVO2 + H2O =>
V2O3 + 2 NaOH = 2 NaVO2 + H2O
KOH + COCl2 + KClO3 = CO2O3 + KCl + H2O =>
2 KOH + COCl2 + KClO3 = CO2O3 + 3 KCl + H2O
Cu(NO3)2 + S = CuS + NO3 =>
Cu(NO3)2 + S = CuS + 2 NO3
FeSO4(ag) + CuCl2(ag) = FeCl2(ag) + CuSO4(ag) =>
FeSO4(ag) + CuCl2(ag) = FeCl2(ag) + CuSO4(ag)
NH3 + H2SO3 = N2SO3 + H2 =>
2 NH3 + H2SO3 = N2SO3 + 4 H2
Sn + O2 = SnO =>
2 Sn + O2 = 2 SnO
KNO3 + MgCl2 = KCl + Mg(NO3)2 =>
2 KNO3 + MgCl2 = 2 KCl + Mg(NO3)2
CaCO3 + (HCOOH) = H2O + Ca(COOH)2 + CO2 =>
CaCO3 + 2(HCOOH) = H2O + Ca(COOH)2 + CO2
CuCl2(aq) + NH3(aq) + H2O(l) = [Cu(NH3)4(H2O)2] + NH4Cl + OH =>
CuCl2(aq) + 6 NH3(aq) + 4 H2O(l) = [Cu(NH3)4(H2O)2] + 2 NH4Cl + 2 OH
CH3CH3CH2OH + K2Cr2O7 + H2SO4 = Cr2(SO4)3 + K2SO4 + CH3CH3CO + H2O =>
2 CH3CH3CH2OH + K2Cr2O7 + 4 H2SO4 = Cr2(SO4)3 + K2SO4 + 2 CH3CH3CO + 7 H2O
KOHHNO3 = KHNO3OH =>
KOHHNO3 = KHNO3OH
Bi2S3 + H2O = Bi(OH)3 + H2S =>
Bi2S3 + 6 H2O = 2 Bi(OH)3 + 3 H2S
Br + NaI = NaBr + I =>
Br + NaI = NaBr + I
HCOOH + KMnO4 = H2O + KOH + CO2 + MnO2 =>
3 HCOOH + 2 KMnO4 = 2 H2O + 2 KOH + 3 CO2 + 2 MnO2
CoCl2 + KOH + KClO3 = Co2O3 + KCl + H2O =>
6 CoCl2 + 12 KOH + KClO3 = 3 Co2O3 + 13 KCl + 6 H2O
C2O3H4 + O2 = H2O + CO2 =>
2 C2O3H4 + 3 O2 = 4 H2O + 4 CO2
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