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Ca2 + 2 H2O = 2 Ca(OH) + H2
Ca + HSiO3 = CaSiO3 + H2 =>
2 Ca + 2 HSiO3 = 2 CaSiO3 + H2
Zn + HBr = H + ZnBr =>
Zn + HBr = H + ZnBr
K2Cr2O7 + Na2SO3 + HCl = CrCl3 + H2O + KCl + Na2SO4 =>
K2Cr2O7 + 3 Na2SO3 + 8 HCl = 2 CrCl3 + 4 H2O + 2 KCl + 3 Na2SO4
Fe + I4 = I2Fe6 =>
12 Fe + I4 = 2 I2Fe6
KOH + N2 + O2 = KNO3 + H2O =>
4 KOH + 2 N2 + 5 O2 = 4 KNO3 + 2 H2O
KClO4 + SO2 = KCl + SO3 =>
KClO4 + 4 SO2 = KCl + 4 SO3
B2H7 + O2 = B2O3 + H2O =>
4 B2H7 + 13 O2 = 4 B2O3 + 14 H2O
Mg(NO3)2*6H2O + Al = H2 + N2 + Al2O3 + MgO =>
3 Mg(NO3)2*6H2O + 22 Al = 18 H2 + 3 N2 + 11 Al2O3 + 3 MgO
CO2 + H2 = COH2O =>
CO2 + H2 = COH2O
FeF3 + Br2 = FeBr3 + F2 =>
2 FeF3 + 3 Br2 = 2 FeBr3 + 3 F2
NaSO3 + O2 = Na2SO4 + SO4 =>
2 NaSO3 + O2 = Na2SO4 + SO4
AlBr3 + Cl = AlCl2 + Br2 =>
2 AlBr3 + 4 Cl = 2 AlCl2 + 3 Br2
NiO = O2 + Ni =>
2 NiO = O2 + 2 Ni
Ba(OH)2 + P2O5 = Ba(HPO4) + H2O =>
2 Ba(OH)2 + P2O5 = 2 Ba(HPO4) + H2O
MnO4{-} + H{+} + NO2{-} = Mn2{+} + H2O + NO2 =>
2 MnO4{-} + 16 H{+} + 13 NO2{-} = Mn2{+} + 8 H2O + 13 NO2
NiSO4 + Zn(NO3)2 = Ni(NO3)2 + ZnSO4 =>
NiSO4 + Zn(NO3)2 = Ni(NO3)2 + ZnSO4
Cl + H2CO + NaOH = NaCl + Na2CO3 + H2O =>
4 Cl + H2CO + 6 NaOH = 4 NaCl + Na2CO3 + 4 H2O
CH3CH2CH2CH3 + O2 = CO2 + H2O =>
2 CH3CH2CH2CH3 + 13 O2 = 8 CO2 + 10 H2O
(NH4)2SO4 + Ca(OH)2(aq) = CaSO4 + NH3 + H2O =>
(NH4)2SO4 + Ca(OH)2(aq) = CaSO4 + 2 NH3 + 2 H2O
Na + ICl2 = I2 + NaCl =>
4 Na + 2 ICl2 = I2 + 4 NaCl
C3H6O + AgNO3 = Ag + N2 + CO2 + H2O =>
3 C3H6O + 8 AgNO3 = 8 Ag + 4 N2 + 9 CO2 + 9 H2O
Ba(OH)2 + CO2 = BaCO3 + H2O =>
Ba(OH)2 + CO2 = BaCO3 + H2O
K2Cr2O7 + Hg2Cl2 + H2SO4 = Cr2(SO4)3 + HgSO4 + Cl2 + K2SO4 + H2O =>
2 K2Cr2O7 + 3 Hg2Cl2 + 14 H2SO4 = 2 Cr2(SO4)3 + 6 HgSO4 + 3 Cl2 + 2 K2SO4 + 14 H2O
Co + NaF = CoF + Na =>
Co + NaF = CoF + Na
ZnFeCl2 = ZnCl2Fe =>
ZnFeCl2 = ZnCl2Fe
Ag{+} + CO3{-2} = Ag2CO3 =>
2 Ag{+} + CO3{-2} = Ag2CO3
Ag + H2S = Ag2S + H2 =>
2 Ag + H2S = Ag2S + H2
Cu + NaNO3 + H2SO4 = CuSO4 + Na2SO4 + NO + H2O =>
3 Cu + 2 NaNO3 + 4 H2SO4 = 3 CuSO4 + Na2SO4 + 2 NO + 4 H2O
(NH4)2[Co(SCN)4] + H2O = (SCN)2[Co(H2O)6] + NH4SCN =>
(NH4)2[Co(SCN)4] + 6 H2O = (SCN)2[Co(H2O)6] + 2 NH4SCN
RaOH + H2SO4 = H2O + Ra2SO4 =>
2 RaOH + H2SO4 = 2 H2O + Ra2SO4
Na3[Co(NO2)6] + KAl(SO4)2 = K3[Co(NO2)6] + NaAl(SO4)2 =>
Na3[Co(NO2)6] + 3 KAl(SO4)2 = K3[Co(NO2)6] + 3 NaAl(SO4)2
NO2 + H2O = HNO3 + NO =>
3 NO2 + H2O = 2 HNO3 + NO
NH4I + CuSO4 = (NH4)2SO4 + CuI + I2 =>
4 NH4I + 2 CuSO4 = 2(NH4)2SO4 + 2 CuI + I2
Ca3(PO4)2 + SiO2 + C = CaSiO3 + CO + P =>
Ca3(PO4)2 + 3 SiO2 + 5 C = 3 CaSiO3 + 5 CO + 2 P
Au2O3 + SO2 = Au2(SO3)3 =>
Au2O3 + 3 SO2 = Au2(SO3)3
CH3CH2Cl + NaOH = CH3CHCH2 + H2O + NaCl =>
3 CH3CH2Cl + 3 NaOH = 2 CH3CHCH2 + 3 H2O + 3 NaCl
Cu(NO3)2 + KBr = Br + CuBr + KNO3 =>
Cu(NO3)2 + 2 KBr = Br + CuBr + 2 KNO3
Na2TeO3 + CdCl2 + NaBH4 + NaOH = CdTe + NaCl + Na2BO + H2O =>
5 Na2TeO3 + 5 CdCl2 + 6 NaBH4 + 6 NaOH = 5 CdTe + 10 NaCl + 6 Na2BO + 15 H2O
Ca + Cl2 = CaCl2 =>
Ca + Cl2 = CaCl2
KOH + HClO3 = H2O + KClO3 =>
KOH + HClO3 = H2O + KClO3
FeS + HCl = SH2 + ClFeCl =>
FeS + 2 HCl = SH2 + ClFeCl
H2C2O4 + Fe = FeC2O4 + H2 =>
H2C2O4 + Fe = FeC2O4 + H2
HAsO4 + Zn + HCl = AsH3 + ZnCl2 + H2O =>
HAsO4 + 5 Zn + 10 HCl = AsH3 + 5 ZnCl2 + 4 H2O
(NH4)2SO4 + CaCO3 = (NH4)2CO3 + CaSO4 =>
(NH4)2SO4 + CaCO3 = (NH4)2CO3 + CaSO4
FeBr3(aq) + (NH4)2S(aq) = Fe2S3 + NH4Br =>
2 FeBr3(aq) + 3(NH4)2S(aq) = Fe2S3 + 6 NH4Br
Al(OH)3 + H2SO4 = Al2(SO4)3 + H2O =>
2 Al(OH)3 + 3 H2SO4 = Al2(SO4)3 + 6 H2O
NaSO3 + O2 = Na2SO4 + SO4 =>
2 NaSO3 + O2 = Na2SO4 + SO4
PdNO3 = Pd + NO2 + O2 =>
2 PdNO3 = 2 Pd + 2 NO2 + O2
In2O3 + KOH = In(OH)3 + K2O =>
In2O3 + 6 KOH = 2 In(OH)3 + 3 K2O
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