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3 FeS + 2 AlCl3 = 3 FeCl2 + Al2S3
Rb + CaO = Rb2O + Ca =>
2 Rb + CaO = Rb2O + Ca
CH4 + Cl2 = CCl4 + HCl =>
CH4 + 4 Cl2 = CCl4 + 4 HCl
Na + BaCl2 = Ba + NaCl =>
2 Na + BaCl2 = Ba + 2 NaCl
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
Al + SiO2 = Al2O3 + Si =>
4 Al + 3 SiO2 = 2 Al2O3 + 3 Si
FeS3 + O2 + H2O = Fe2O3 + H2SO4 =>
4 FeS3 + 21 O2 + 12 H2O = 2 Fe2O3 + 12 H2SO4
C8H10O + C4H6O3 = C10H12O2 + H2O =>
2 C8H10O + C4H6O3 = 2 C10H12O2 + H2O
HCHO + CuO = HCOOH + Cu =>
HCHO + CuO = HCOOH + Cu
Mg + HCl(aq) = MgCl + H =>
Mg + HCl(aq) = MgCl + H
K4[Fe(SCN)6] + K2Cr2O7 + H2SO4 = K4[Fe(OCN)6] + Cr2(SO4)3 + K2SO4 + H2O =>
K4[Fe(SCN)6] + 8 K2Cr2O7 + 26 H2SO4 = K4[Fe(OCN)6] + 8 Cr2(SO4)3 + 8 K2SO4 + 26 H2O
Al + H2(Co3)2 = Al2(Co3)2 + H2 =>
2 Al + H2(Co3)2 = Al2(Co3)2 + H2
MgCO3(s) + H2SO4(aq) = MgSO4(aq) + H2O(l) + CO2(g) =>
MgCO3(s) + H2SO4(aq) = MgSO4(aq) + H2O(l) + CO2(g)
Na2CO3 + HCl = CO2 + H2O + NaCl =>
Na2CO3 + 2 HCl = CO2 + H2O + 2 NaCl
SiO2 + Li2CO3 = Li2SiO3 + CO2 =>
SiO2 + Li2CO3 = Li2SiO3 + CO2
CaCl2(aq) + Na2SO4(aq) = Ca(SO4) + NaCl =>
CaCl2(aq) + Na2SO4(aq) = Ca(SO4) + 2 NaCl
KMnO4 + HCl2 = KCl + H2O + Cl2 + MnCl2 =>
2 KMnO4 + 16 HCl2 = 2 KCl + 8 H2O + 13 Cl2 + 2 MnCl2
Cu + HCI = CuHCI =>
Cu + HCI = CuHCI
NaH2PO2 + AgNO3 = Ag + NaNO3 + H3PO3 + P =>
3 NaH2PO2 + 3 AgNO3 = 3 Ag + 3 NaNO3 + 2 H3PO3 + P
K + S = K1S2 =>
K + 2 S = K1S2
NH3 + CoCl2 = Cl2 + CoNH3 =>
NH3 + CoCl2 = Cl2 + CoNH3
Ni(OH)2 + NaOH + Br = Ni(OH)3 + NaBr =>
Ni(OH)2 + NaOH + Br = Ni(OH)3 + NaBr
Al(OH)3 + HCl = AlCl3 + H2O =>
Al(OH)3 + 3 HCl = AlCl3 + 3 H2O
C11H23CH2OSO3Na + Ca = C11H23CH2OSO3Ca + Na =>
C11H23CH2OSO3Na + Ca = C11H23CH2OSO3Ca + Na
N2(aq) + O2(aq) = NO2(aq) =>
N2(aq) + 2 O2(aq) = 2 NO2(aq)
(CN)2 + H2O = H2C2O4 + NH3 = =>
(CN)2 + 4 H2O = H2C2O4 + 2 NH3
CN{-} + H2O2 = OCN{-} + H2O =>
CN{-} + H2O2 = OCN{-} + H2O
Cu + H2CO3 = Cu2CO3 + H2 =>
2 Cu + H2CO3 = Cu2CO3 + H2
H2 + N23 = NH3 =>
69 H2 + 2 N23 = 46 NH3
Na2B4O7 + HCl + H2O = B(OH)3(s) + NaCl =>
Na2B4O7 + 2 HCl + 5 H2O = 4 B(OH)3(s) + 2 NaCl
MnO2 + HBr = MnBr2Br2 + H2O =>
MnO2 + 4 HBr = MnBr2Br2 + 2 H2O
HF + Ce(OH)3 = H2O + CeF3 =>
3 HF + Ce(OH)3 = 3 H2O + CeF3
C + Fe2O3 = CO2 + Fe =>
3 C + 2 Fe2O3 = 3 CO2 + 4 Fe
HCHO + Cu(OH)2 = Cu2O + CO2 + H2O = t =>
HCHO + 4 Cu(OH)2 = 2 Cu2O + CO2 + 5 H2O
KMnO4 = K2 + MnO4 =>
2 KMnO4 = K2 + 2 MnO4
HgCl2 + Na2S2O3 = HgSO3 + NaCl + S =>
HgCl2 + Na2S2O3 = HgSO3 + 2 NaCl + S
Pb(NO3) + Al(OH)3 = Pb(OH) + Al(NO3)3 =>
3 Pb(NO3) + Al(OH)3 = 3 Pb(OH) + Al(NO3)3
C6H12(g) + O2(g) = CO2(g) + H2O(l) =>
C6H12(g) + 9 O2(g) = 6 CO2(g) + 6 H2O(l)
KMnO4 + AsH3 + H2SO4 = MnSO4 + H3AsO4 + K2SO4 + H2O =>
8 KMnO4 + 5 AsH3 + 12 H2SO4 = 8 MnSO4 + 5 H3AsO4 + 4 K2SO4 + 12 H2O
K2Cr2O7 + Na2C2O4 + H2SO4 = K2S04 + Cr2(SO4)3 + Na2SO4 + H2O + CO2 =>
K2Cr2O7 + 16 Na2C2O4 + 23 H2SO4 = K2S04 + Cr2(SO4)3 + 16 Na2SO4 + 23 H2O + 32 CO2
Al + NH4HClO4 = Al2O3 + AlCl3 + NO + H2O =>
4 Al + 6 NH4HClO4 = Al2O3 + 2 AlCl3 + 6 NO + 15 H2O
CsF + Na = NaF + Cs =>
CsF + Na = NaF + Cs
Ca(s) + H2O = Ca(OH)2(s) + H2(g) =>
Ca(s) + 2 H2O = Ca(OH)2(s) + H2(g)
NH4Br + NaOH = NaBr + NH4OH =>
NH4Br + NaOH = NaBr + NH4OH
PbO2 + NaOH + Cr2(SO4)3 = PbSO4 + Na2CrO4 + H2O =>
3 PbO2 + 4 NaOH + Cr2(SO4)3 = 3 PbSO4 + 2 Na2CrO4 + 2 H2O
SiO2 + HF = SiF4 + H2O =>
SiO2 + 4 HF = SiF4 + 2 H2O
CdS + O2 = CdO + S =>
2 CdS + O2 = 2 CdO + 2 S
H2SO3 + H2 = H2O + H2S =>
H2SO3 + 3 H2 = 3 H2O + H2S
NH4CI = NH4 + CI =>
NH4CI = NH4 + CI
Na2B4O7 + CoCl2 = NaBO2 + Co(BO2)2 + BCl3 =>
4 Na2B4O7 + 3 CoCl2 = 8 NaBO2 + 3 Co(BO2)2 + 2 BCl3
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