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2 Cr(OH)3(s) = Cr2O3(s) + 3 H2O(g)
Mg + Cl2 = MgCl2 =>
Mg + Cl2 = MgCl2
H3PO4 + Ba(OH)2 = Ba3(PO4)2 + H2O =>
2 H3PO4 + 3 Ba(OH)2 = Ba3(PO4)2 + 6 H2O
Fe3O4 + HI = FeI + I + H2O =>
Fe3O4 + 8 HI = 3 FeI + 5 I + 4 H2O
Na2O2 + H2O = NaOH + H2O2 =>
Na2O2 + 2 H2O = 2 NaOH + H2O2
H2S + O2 = H2O + SO2 =>
2 H2S + 3 O2 = 2 H2O + 2 SO2
CoOC = COCo =>
CoOC = COCo
Zn + Ca(OH)2 = Zn(OH)2 + Ca =>
Zn + Ca(OH)2 = Zn(OH)2 + Ca
C5H8O2 + NaH + HCl = C5H12O2 + NaCl =>
C5H8O2 + 2 NaH + 2 HCl = C5H12O2 + 2 NaCl
Zn(s) + FeCl2(aq) = ZnCl2(aq) + Fe(s) =>
Zn(s) + FeCl2(aq) = ZnCl2(aq) + Fe(s)
HClO + LiOH = OH + LiCl =>
HClO + LiOH = 2 OH + LiCl
NH3 + CrO3 = NO3{-} + Cr2O3 + H3O{+} =>
3 NH3 + 8 CrO3 = 3 NO3{-} + 4 Cr2O3 + 3 H3O{+}
K + F2 = K2F =>
4 K + F2 = 2 K2F
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
CO2 + H2O = C6H12O6 + O2 =>
6 CO2 + 6 H2O = C6H12O6 + 6 O2
Cr2O7{2-} + NO2{-} + H{+} = Cr{3+} + NO3{-} + H2O =>
Cr2O7{2-} + 3 NO2{-} + 8 H{+} = 2 Cr{3+} + 3 NO3{-} + 4 H2O
Al(OH)3(s) + HCl(ac) = AlCl3(ac) + H2O =>
Al(OH)3(s) + 3 HCl(ac) = AlCl3(ac) + 3 H2O
KClO3 + HCl = HCl2 + KCl + H2O =>
KClO3 + 12 HCl = 6 HCl2 + KCl + 3 H2O
NaClO3 = NaCl + O2 =>
2 NaClO3 = 2 NaCl + 3 O2
NaCO3 + H2SO4 = NaHSO4 + HCO3 =>
NaCO3 + H2SO4 = NaHSO4 + HCO3
MnO4 + HI = I2 + Mn + OH =>
MnO4 + 4 HI = 2 I2 + Mn + 4 OH
KCI + O = KCIO =>
KCI + O = KCIO
CaH2 + SO2 + H2O = CaSO3 + H2 =>
CaH2 + SO2 + H2O = CaSO3 + 2 H2
MnCO3O2 = MnO3CO2 =>
MnCO3O2 = MnO3CO2
ZnO + HF = H2O + ZnF2 =>
ZnO + 2 HF = H2O + ZnF2
AlCl3 + K2CrO7 + H2SO4 = Cr2(SO4)3 + K2SO4 + Cl2 + Al2(SO4)3 + H2O =>
6 AlCl3 + 2 K2CrO7 + 14 H2SO4 = Cr2(SO4)3 + 2 K2SO4 + 9 Cl2 + 3 Al2(SO4)3 + 14 H2O
CaCl2 + NaOH = Ca(OH)2 + NaCl =>
CaCl2 + 2 NaOH = Ca(OH)2 + 2 NaCl
Li2O + SO2 = Li2SO3 =>
Li2O + SO2 = Li2SO3
HCOOH + Zn = ZnHCOO + H2 =>
2 HCOOH + 2 Zn = 2 ZnHCOO + H2
Al + MgSO4 = Al(SO4)2 + Mg =>
Al + 2 MgSO4 = Al(SO4)2 + 2 Mg
Ca(OH)2 + H3PO4 = CaHPO4 + H2O =>
Ca(OH)2 + H3PO4 = CaHPO4 + 2 H2O
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
Cr(CN)2 = Cr + CN =>
Cr(CN)2 = Cr + 2 CN
(b)Ca(OH)2 + Cl2 = CaCl2 + Ca(ClO)2 + H2O =>
2(b)Ca(OH)2 + 2 Cl2 = CaCl2 + Ca(ClO)2 + 2 H2O
Cs + Cl2 = CsCl2 =>
Cs + Cl2 = CsCl2
Ca(OH)2(aq) + CH3CO2H(aq) = CaCH2(aq) + H2O(l) + CO2(g) =>
Ca(OH)2(aq) + CH3CO2H(aq) = CaCH2(aq) + 2 H2O(l) + CO2(g)
C24H27NO6 + O2 = CO2 + H2O + NH3 =>
C24H27NO6 + 27 O2 = 24 CO2 + 12 H2O + NH3
K2Cr2O7 + H2SO4 + NaI = Cr2(SO4)3 + I2 + K2SO4 + Na2SO4 + H2O =>
K2Cr2O7 + 7 H2SO4 + 6 NaI = Cr2(SO4)3 + 3 I2 + K2SO4 + 3 Na2SO4 + 7 H2O
CH3OH + Cl2 = CHO + HCl =>
2 CH3OH + 3 Cl2 = 2 CHO + 6 HCl
NH3 + HS + O2 + H2O = (NH4)2SO4 =>
8 NH3 + 4 HS + 7 O2 + 2 H2O = 4(NH4)2SO4
Al + CuCl2 = AlCl3 + Cu =>
2 Al + 3 CuCl2 = 2 AlCl3 + 3 Cu
NO2 + H2 = H2O + NH3 =>
2 NO2 + 7 H2 = 4 H2O + 2 NH3
K + Br2 = KBr =>
2 K + Br2 = 2 KBr
[Cu(NH3)4]SO4 + Na2S = CuS + Na2SO4 + NH3 =>
[Cu(NH3)4]SO4 + Na2S = CuS + Na2SO4 + 4 NH3
Zn + HCl = ZnCl2 + H2 =>
Zn + 2 HCl = ZnCl2 + H2
H3PO4 + Na2SO4 = H3SO4 + Na2PO4 =>
H3PO4 + Na2SO4 = H3SO4 + Na2PO4
Na2SO4 + (NH4)I = NaI + (NH4)2SO4 =>
Na2SO4 + 2(NH4)I = 2 NaI + (NH4)2SO4
Pb(CH3COO)2 + H2SO4 = Pb(SO4) + CH3COOH =>
Pb(CH3COO)2 + H2SO4 = Pb(SO4) + 2 CH3COOH
CH3Cl + Na = C2H6 + NaCl =>
2 CH3Cl + 2 Na = C2H6 + 2 NaCl
FeCl2 + H2O2 = Fe(OH)2 + HCl + O2 =>
FeCl2 + 2 H2O2 = Fe(OH)2 + 2 HCl + O2
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