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H2SO4 + Na2S2O3 = H2SO3 + Na2SO4 + S
Al4C3 + HOH = CH4 + Al(OH)3 =>
Al4C3 + 12 HOH = 3 CH4 + 4 Al(OH)3
H2SO4 + KI + Na2S2O3 = KIO3 + NaS2O2 + H2O =>
6 H2SO4 + 5 KI + 3 Na2S2O3 = 5 KIO3 + 6 NaS2O2 + 6 H2O
Cs2CO3 + H2SO4 = Cs2SO4 + H2CO3 =>
Cs2CO3 + H2SO4 = Cs2SO4 + H2CO3
NH4Cl + Ca(OH0)2 = CaCl2 + NH3 + H2O =>
2 NH4Cl + Ca(OH0)2 = CaCl2 + 2 NH3 + 2 H2O
C2H5OH + O2 = CO2 + H2O =>
C2H5OH + 3 O2 = 2 CO2 + 3 H2O
NaBr + NaClO3 + HCl = NaCl + H2O + Br2 =>
6 NaBr + NaClO3 + 6 HCl = 7 NaCl + 3 H2O + 3 Br2
TiO2 + B4C = TiB2 + B2O3 + CO =>
7 TiO2 + 5 B4C = 7 TiB2 + 3 B2O3 + 5 CO
FeSO4 + NaNo3 = Fe(No3)2 + Na2SO4 =>
FeSO4 + 2 NaNo3 = Fe(No3)2 + Na2SO4
PtCl4 = Pt + Cl2 =>
PtCl4 = Pt + 2 Cl2
Zn + HNO3(con) = Zn(NO3)2 + H2O + NO2 =>
Zn + 4 HNO3(con) = Zn(NO3)2 + 2 H2O + 2 NO2
KI + KBrO3 + H3PO4 = I2 + KBr + K3PO4 + H2O =>
6 KI + KBrO3 + 2 H3PO4 = 3 I2 + KBr + 2 K3PO4 + 3 H2O
KI(aq) + AgNO3(aq) = AgI(s) + KNO3 =>
KI(aq) + AgNO3(aq) = AgI(s) + KNO3
NH3 + CO2 = CO(NH2)2 + H2O =>
2 NH3 + CO2 = CO(NH2)2 + H2O
SiO2 + K2CO3 = K2SiO3 + CO2 =>
SiO2 + K2CO3 = K2SiO3 + CO2
H2O(l) + K(s) = KOH + H2 =>
2 H2O(l) + 2 K(s) = 2 KOH + H2
Mn(OH)2 + H2SO4 = H2O + MnO2 + SO2 =>
Mn(OH)2 + H2SO4 = 2 H2O + MnO2 + SO2
Cu + O2 = CuO =>
2 Cu + O2 = 2 CuO
Cu + MgO = Mg + CuO =>
Cu + MgO = Mg + CuO
Na + O2 = Na2O =>
4 Na + O2 = 2 Na2O
CuCl2 + Na3PO4 = Cu3(PO4)2 + NaCl =>
3 CuCl2 + 2 Na3PO4 = Cu3(PO4)2 + 6 NaCl
CuNO3 + H2O = HNO3 + CuOH =>
CuNO3 + H2O = HNO3 + CuOH
PbH4 + O2 = PbO + H2O =>
2 PbH4 + 3 O2 = 2 PbO + 4 H2O
C6H12 + HBr = C6H13Br =>
C6H12 + HBr = C6H13Br
Zu(s) + HCl(aq) = ZuCl2(aq) + H2(g) =>
Zu(s) + 2 HCl(aq) = ZuCl2(aq) + H2(g)
Pb(OH)2 + Hg2S = PbS + Hg2(OH)2 =>
Pb(OH)2 + Hg2S = PbS + Hg2(OH)2
C2H3Cl + HCl = C2H6 + Cl2 =>
C2H3Cl + 3 HCl = C2H6 + 2 Cl2
NH4OH + Al2O3 = H2O + N2 + Al =>
2 NH4OH + Al2O3 = 5 H2O + N2 + 2 Al
MgO + Al2(SO4)3 + H2O = MgSO4 + Al(OH)3 =>
3 MgO + Al2(SO4)3 + 3 H2O = 3 MgSO4 + 2 Al(OH)3
H2O(l) + HNO3(aq) = NH3 + O2 =>
H2O(l) + HNO3(aq) = NH3 + 2 O2
SnCl22H2O + K2Cr2O7 = CrCl3 + Cl2 + KCl + SnO + H2O =>
7 SnCl22H2O + K2Cr2O7 = 2 CrCl3 + 73 Cl2 + 2 KCl + 7 SnO + 7 H2O
POF3(g) = P4(s) + O2(g) + F2(g) =>
4 POF3(g) = P4(s) + 2 O2(g) + 6 F2(g)
Na2C2O4 + Ca = Na + CaC2O4 =>
Na2C2O4 + Ca = 2 Na + CaC2O4
CrCl2 + CH3COONa + H2O = NaCl + [Cr2(H2O)2(CH3COO)4] =>
2 CrCl2 + 4 CH3COONa + 2 H2O = 4 NaCl + [Cr2(H2O)2(CH3COO)4]
CuCl2 + Na2CO3 = CuCO3 + NaCl =>
CuCl2 + Na2CO3 = CuCO3 + 2 NaCl
NH3 + HCl = ClH4N =>
NH3 + HCl = ClH4N
NaBr + NaClO3 + HCl = NaCl + H2O + Br2 =>
6 NaBr + NaClO3 + 6 HCl = 7 NaCl + 3 H2O + 3 Br2
Na(C2H3O2) + KCl = NaCl + K(C2H3O2) =>
Na(C2H3O2) + KCl = NaCl + K(C2H3O2)
Ca(OH)2 + H3PO4 = Ca3(PO4)2 + H2O =>
3 Ca(OH)2 + 2 H3PO4 = Ca3(PO4)2 + 6 H2O
Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2
H{+} + Cr2O7{-} + C2H5OH = Cr3{+} + CO2 + H2O =>
60 H{+} + 36 Cr2O7{-} + 37 C2H5OH = 24 Cr3{+} + 74 CO2 + 141 H2O
Na2[Sn(OH)4] = Na2SnO2 + H2 + O2 =>
Na2[Sn(OH)4] = Na2SnO2 + 2 H2 + O2
SiO2 + C = Si + CO =>
SiO2 + 2 C = Si + 2 CO
H2O + P4 = H3PO4 + H{+} + e =>
16 H2O + P4 = 4 H3PO4 + 20 H{+} + 20e
Na3[Cr(OH)2] + NaOH = Na4[Cr(OH)3] =>
Na3[Cr(OH)2] + NaOH = Na4[Cr(OH)3]
Al2O3 = Al + O2 =>
2 Al2O3 = 4 Al + 3 O2
CS2 + Cl2 = CCl4 + S2Cl2 =>
CS2 + 3 Cl2 = CCl4 + S2Cl2
SO2 + HCIO4 + H2O = H2SO4 + HCI =>
4 SO2 + HCIO4 + 4 H2O = 4 H2SO4 + HCI
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
Hg(ClO3)2 + (NH4)3PO4 = Hg3(PO4)2 + NH4ClO3 =>
3 Hg(ClO3)2 + 2(NH4)3PO4 = Hg3(PO4)2 + 6 NH4ClO3
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