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16 Co + 3 S8 = 8 Co2S3
K2[Zn(OH)4] + H2SO4 = K2SO4 + Zn(OH)2 + H2O =>
K2[Zn(OH)4] + H2SO4 = K2SO4 + Zn(OH)2 + 2 H2O
Na + O2 = NaO =>
2 Na + O2 = 2 NaO
K + C = CK4 =>
4 K + C = CK4
Al2O3 + C2 = Al + CO2 =>
4 Al2O3 + 3 C2 = 8 Al + 6 CO2
Ni + HCl = NiCl2 + H2 =>
Ni + 2 HCl = NiCl2 + H2
LiClO3 + Sn(CO3)2 = Li(CO3)2 + SnClO3 =>
LiClO3 + Sn(CO3)2 = Li(CO3)2 + SnClO3
K2[Zn(OH)4] + SO2 = KHSO3 + Zn(OH)2 =>
K2[Zn(OH)4] + 2 SO2 = 2 KHSO3 + Zn(OH)2
Na2O + P2O5 = Na3PO4 =>
3 Na2O + P2O5 = 2 Na3PO4
H2S + Cl = HCl + S =>
H2S + 2 Cl = 2 HCl + S
KI + AgNO3 = AgKI + NO3 =>
KI + AgNO3 = AgKI + NO3
K2O + HPO3 = K3PO4 + H2O =>
3 K2O + 2 HPO3 = 2 K3PO4 + H2O
H2SO4 + SO2 = SO3 + H2 =>
H2SO4 + SO2 = 2 SO3 + H2
K2Cr2O7 + H2SO4 + NaBr = K2SO4 + Cr2(SO4)3 + Na2SO4 + H2O + Br =>
K2Cr2O7 + 7 H2SO4 + 6 NaBr = K2SO4 + Cr2(SO4)3 + 3 Na2SO4 + 7 H2O + 6 Br
(d)H2(g) + N2(g) = NH3(g) =>
3(d)H2(g) + N2(g) = 2 NH3(g)
LiClO3 + Sn(CO3)2 = Li(CO3)2 + SnClO3 =>
LiClO3 + Sn(CO3)2 = Li(CO3)2 + SnClO3
KBr + AgNO3 = AgBr + KNO3 =>
KBr + AgNO3 = AgBr + KNO3
Au + CN = Au(CN) =>
Au + CN = Au(CN)
Ni(NO3)2 + Na3PO4 = NiPO4 + Na3(NO3)2 =>
Ni(NO3)2 + Na3PO4 = NiPO4 + Na3(NO3)2
FeS2 + O2 + OH{-} = Fe(OH)3 + SO4{2-} + H2O =>
4 FeS2 + 15 O2 + 16 OH{-} = 4 Fe(OH)3 + 8 SO4{2-} + 2 H2O
BaCl2 + H2SO4 = BaSO4 + HCl =>
BaCl2 + H2SO4 = BaSO4 + 2 HCl
Al + HF = AlF3 + H2 =>
2 Al + 6 HF = 2 AlF3 + 3 H2
Al + HNO3 + NH3 = Al(OH)3 + NH =>
2 Al + 2 HNO3 + 3 NH3 = 2 Al(OH)3 + 5 NH
NH4 + H2O2 = NO3 + H2O =>
NH4 + 5 H2O2 = NO3 + 7 H2O
NaCl + Pb2N03 = Pb2Cl + NaN03 =>
NaCl + Pb2N03 = Pb2Cl + NaN03
Fe + Na2CrO4 = Fe2(CrO4)2 + Na =>
2 Fe + 2 Na2CrO4 = Fe2(CrO4)2 + 4 Na
NaCl + Ag = Na + AgCl2 =>
2 NaCl + Ag = 2 Na + AgCl2
H2*O2 = H2O + O2 =>
2 H2*O2 = 2 H2O + O2
KF + HNO3 = HF + KNO3 =>
KF + HNO3 = HF + KNO3
C6H5Br + Mg = C6H5MgBr =>
C6H5Br + Mg = C6H5MgBr
HNO3 + H2 = HNO2 + H2O =>
HNO3 + H2 = HNO2 + H2O
Al + I = Al2I6 =>
2 Al + 6 I = Al2I6
Cu2{+} + HCl = [CuCl4]2{+} + H2 =>
Cu2{+} + 8 HCl = [CuCl4]2{+} + 4 H2
Ni(NO3)2 + Na3PO4 = Ni3(PO4)2 + Na(NO3) =>
3 Ni(NO3)2 + 2 Na3PO4 = Ni3(PO4)2 + 6 Na(NO3)
C9H20 + O = CO2 + H2O =>
C9H20 + 28 O = 9 CO2 + 10 H2O
CH2Cl2 + Zn = ZnCl2 + CH2 = CH2 =>
CH2Cl2 + Zn = ZnCl2 + CH2
K2MnO4 + O3 = KMnO4 + K2O =>
6 K2MnO4 + O3 = 6 KMnO4 + 3 K2O
NaOH + CS2 = Na2CS3 + Na2CO3 + H2O =>
6 NaOH + 3 CS2 = 2 Na2CS3 + Na2CO3 + 3 H2O
CO2 + H2S = CO + H2 + SO2 =>
2 CO2 + H2S = 2 CO + H2 + SO2
HNO3 + Ba(OH)2 = HNO3Ba(OH)2 =>
HNO3 + Ba(OH)2 = HNO3Ba(OH)2
WCl6 + Bi = W6Cl12 + BiCl3 =>
6 WCl6 + 8 Bi = W6Cl12 + 8 BiCl3
S2O3 + I2 = I2S2O3 =>
S2O3 + I2 = I2S2O3
FeSO4(aq) + K3PO4(aq) = Fe3(PO4)2(s) + K2SO4(aq) =>
3 FeSO4(aq) + 2 K3PO4(aq) = Fe3(PO4)2(s) + 3 K2SO4(aq)
NO2 + H3O = HNO3 + NO =>
5 NO2 + H3O = 3 HNO3 + 2 NO
CH3COOC2H4 + KOH = CH3COOK + C2H5OH =>
4 CH3COOC2H4 + 5 KOH = 5 CH3COOK + 3 C2H5OH
Cu + Zn + NaOH + H2O = Cu2Na2Zn(OH)6 + H2 =>
2 Cu + Zn + 2 NaOH + 4 H2O = Cu2Na2Zn(OH)6 + 2 H2
Ag3AsO4 + CaSO4 = Ca3(AsO4)2 + Ag2SO4 =>
2 Ag3AsO4 + 3 CaSO4 = Ca3(AsO4)2 + 3 Ag2SO4
CHCl3 + I2 = CHI + Cl =>
2 CHCl3 + I2 = 2 CHI + 6 Cl
(NH4)2SO4 + KOH = H2O + K2SO4 + NH3 =>
(NH4)2SO4 + 2 KOH = 2 H2O + K2SO4 + 2 NH3
CH3CH(OH)CH3 + KMnO4 + KOH = CH3COCH3 + K2MnO4 + H2O =>
CH3CH(OH)CH3 + 2 KMnO4 + 2 KOH = CH3COCH3 + 2 K2MnO4 + 2 H2O
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