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2 K + 2 H2O(l) = H2(g) + 2 KOH(l)
Ca + H = H2Ca =>
Ca + 2 H = H2Ca
SeCl6 + O2 = SeO2 + Cl2 =>
SeCl6 + O2 = SeO2 + 3 Cl2
Sn(SO4)2 + Na2S = SnS + Na2(SO4)2 =>
Sn(SO4)2 + Na2S = SnS + Na2(SO4)2
KI + Ca(NO3)2 = CaI2 + K(NO3) =>
2 KI + Ca(NO3)2 = CaI2 + 2 K(NO3)
CH3CH2CCH2OH + K2Cr2O7 + H2SO4 = Cr2(SO4)3 + K2SO2 + CH3CH2CH2COOH + H2O =>
5 CH3CH2CCH2OH + K2Cr2O7 + 4 H2SO4 = Cr2(SO4)3 + K2SO2 + 5 CH3CH2CH2COOH + 4 H2O
Rb + S = Rb2S3 =>
2 Rb + 3 S = Rb2S3
KOH + H2S = H2O + K2S =>
2 KOH + H2S = 2 H2O + K2S
LiI = Li + I(g) =>
LiI = Li + I(g)
Al(OH)3 + SO2 = Al2(SO3)3 + H2O =>
2 Al(OH)3 + 3 SO2 = Al2(SO3)3 + 3 H2O
HNO3 + Mq(OH)2 = Mq(NO3)2 + H2O =>
2 HNO3 + Mq(OH)2 = Mq(NO3)2 + 2 H2O
AgNa3O6S4 + H2SO4 = Ag + Na2S2O3 + SO2 + H2O =>
2 AgNa3O6S4 + H2SO4 = 2 Ag + 3 Na2S2O3 + 3 SO2 + H2O
P4O10 + H2O = H3PO4 =>
P4O10 + 6 H2O = 4 H3PO4
BaSO3 + HNO3 = Ba(NO3)2 + SO2 + H2O =>
BaSO3 + 2 HNO3 = Ba(NO3)2 + SO2 + H2O
PbCl2 + Li(SO4) = Pb(SO4) + LiCl2 =>
PbCl2 + Li(SO4) = Pb(SO4) + LiCl2
SrCo3 = Sr{2+} + Co3{2-} =>
SrCo3 = Sr{2+} + Co3{2-}
Cr2O3 + C = Cr + CO2 =>
2 Cr2O3 + 3 C = 4 Cr + 3 CO2
NaCl + H2SO4 = NaHSO4 + HCl =>
NaCl + H2SO4 = NaHSO4 + HCl
H2S + FeCe3 = FeCe2 + S + HCe =>
H2S + 2 FeCe3 = 2 FeCe2 + S + 2 HCe
BaS2O6 + H2SO4 = BaSO4 + H2S2O6 =>
BaS2O6 + H2SO4 = BaSO4 + H2S2O6
C2H5OH + OH{-} = CO2 + H2O + {-} =>
C2H5OH + 12 OH{-} = 2 CO2 + 9 H2O + 12e
Ti + CuSO4 = TiSO4 + Cu =>
Ti + CuSO4 = TiSO4 + Cu
CdI2 + O2 = CdO + I2 =>
2 CdI2 + O2 = 2 CdO + 2 I2
C2H4(OH)2 + CH3(COOH)2 = CH3COOC2H4 + H2O =>
21 C2H4(OH)2 + 2 CH3(COOH)2 = 12 CH3COOC2H4 + 26 H2O
K2Cr2O7 + H2SO4 + C3H7COH = K2SO4 + Cr2(SO4)3 + H2O + C3H7COOH =>
K2Cr2O7 + 4 H2SO4 + 3 C3H7COH = K2SO4 + Cr2(SO4)3 + 4 H2O + 3 C3H7COOH
HgO = Hg + O2 =>
2 HgO = 2 Hg + O2
I2 + Cu = Cu2I =>
I2 + 4 Cu = 2 Cu2I
KOH + HNO3 = HOH + KNO3 =>
KOH + HNO3 = HOH + KNO3
Pb(NO3)2 + NaHCO3 = Pb(CO3)2 + NaNO3 + H2 =>
Pb(NO3)2 + 2 NaHCO3 = Pb(CO3)2 + 2 NaNO3 + H2
KMnO4 + H2SO4 + Sb = K2SO4 + MnSO4 + SbO5 + H2O =>
2 KMnO4 + 3 H2SO4 + Sb = K2SO4 + 2 MnSO4 + SbO5 + 3 H2O
Ba(NO3)2 + Na(CO3)2 = Ba(CO3)2 + Na(NO3)2 =>
Ba(NO3)2 + Na(CO3)2 = Ba(CO3)2 + Na(NO3)2
HCl + HNO3 + FeCl2 = FeCl3 + H2O + NO =>
3 HCl + HNO3 + 3 FeCl2 = 3 FeCl3 + 2 H2O + NO
MnO4{-} + SO3{-}2 + H{+} = Mn{2+} + SO42{-} + H2O =>
78 MnO4{-} + 5 SO3{-}2 + 234 H{+} = 78 Mn{2+} + 5 SO42{-} + 117 H2O
Fe{2+} + CrO4{-} + H2O = Fe{3+} + Cr(OH)3 + OH{-} =>
4 Fe{2+} + CrO4{-} + 4 H2O = 4 Fe{3+} + Cr(OH)3 + 5 OH{-}
CH3COOH(aq) + NaOH(aq) = NaCH3COO(s) + H2O(l) =>
CH3COOH(aq) + NaOH(aq) = NaCH3COO(s) + H2O(l)
CuCl2(aq) + Zn(s) = Cu(s) + ZnCl2(aq) =>
CuCl2(aq) + Zn(s) = Cu(s) + ZnCl2(aq)
NaHCO3 + HCHO = NaCHO + H2O + CO =>
NaHCO3 + 2 HCHO = NaCHO + 2 H2O + 2 CO
C + HCl = CH + Cl =>
C + HCl = CH + Cl
CaS + H2SO4 = CaSO3 + H2S =>
4 CaS + 3 H2SO4 = 4 CaSO3 + 3 H2S
C49H75NO13 + H2O = CH4N2O + CH3COOH + C2H5OH =>
4 C49H75NO13 + 96 H2O = 2 CH4N2O + 49 CH3COOH + 48 C2H5OH
KF + Br2 = KBr + F =>
2 KF + Br2 = 2 KBr + 2 F
C4H10 + O2 = CO2 + H2O =>
2 C4H10 + 13 O2 = 8 CO2 + 10 H2O
Rb + RbNO3 = Rb2O + N2 =>
10 Rb + 2 RbNO3 = 6 Rb2O + N2
CaN + NaS = CaS + NaN(doubledisplacement) =>
CaN + NaS = CaS + NaN(doubledisplacement)
Fe + Ag(NO3) = Fe(NO3)2 + Ag =>
Fe + 2 Ag(NO3) = Fe(NO3)2 + 2 Ag
CuSO4 + H2O + SO2 = Cu + HSO4 =>
3 CuSO4 + 2 H2O + SO2 = 3 Cu + 4 HSO4
C6H5NO2 + H2S = C6H5NH2 + S + H2O =>
C6H5NO2 + 3 H2S = C6H5NH2 + 3 S + 2 H2O
PbO + C = Pb + CO =>
PbO + C = Pb + CO
Ag + KCl = AgCl + K =>
Ag + KCl = AgCl + K
CuO + HCl = CuCl2 + H2O =>
CuO + 2 HCl = CuCl2 + H2O
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