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2 CaCO3 + Zn = Zn(CO3)2 + 2 Ca
MnO + Zn = ZnO + Mn =>
MnO + Zn = ZnO + Mn
C9H9OCl + NaOH + Cl2 = CHCl3 + C8H6O2ClNa + H2O =>
5 C9H9OCl + 2 NaOH + 42 Cl2 = 29 CHCl3 + 2 C8H6O2ClNa + 3 H2O
MnSO4 + H2O2 + NaOH = H2O + Na2SO4 + HMnO4 =>
2 MnSO4 + 5 H2O2 + 4 NaOH = 6 H2O + 2 Na2SO4 + 2 HMnO4
CHOHCH2CH2CHOH + KMnO4 + H2SO4 = COOHCH2CH2COOH + K2SO4 + MnSO4 + H2O =>
5 CHOHCH2CH2CHOH + 6 KMnO4 + 9 H2SO4 = 5 COOHCH2CH2COOH + 3 K2SO4 + 6 MnSO4 + 14 H2O
Al + H3PO4 = AlPO4 + H2 =>
2 Al + 2 H3PO4 = 2 AlPO4 + 3 H2
Li2O + CuO = Li2Cu + O2 =>
Li2O + CuO = Li2Cu + O2
NaCl + Hg2(C2H3O2)2 = NaC2H3O2(aq) + Hg2Cl2(s) =>
2 NaCl + Hg2(C2H3O2)2 = 2 NaC2H3O2(aq) + Hg2Cl2(s)
C6H12O6NaOH = C6H11O6NaH2O =>
C6H12O6NaOH = C6H11O6NaH2O
NaNO3 + Mn(OH)2 = Mn(NO3)2 + NaOH =>
2 NaNO3 + Mn(OH)2 = Mn(NO3)2 + 2 NaOH
Br2 + CO3{2-} + H2O = Br{-} + BrO3{-} + HCO3{-} =>
3 Br2 + 6 CO3{2-} + 3 H2O = 5 Br{-} + BrO3{-} + 6 HCO3{-}
K2CO3 + H2SO4 = CO2 + H2O + K2SO4 =>
K2CO3 + H2SO4 = CO2 + H2O + K2SO4
NO + NO2 + KOH = KNO2 + H2O =>
NO + NO2 + 2 KOH = 2 KNO2 + H2O
As2S5 + Na2S = Na3AsS4 =>
As2S5 + 3 Na2S = 2 Na3AsS4
SrCO3 + CoO + Ta2O5 = Sr3CoTa2O9 + CO2 =>
3 SrCO3 + CoO + Ta2O5 = Sr3CoTa2O9 + 3 CO2
K + H2SO4 = K2SO4 + H =>
2 K + H2SO4 = K2SO4 + 2 H
FeCl2 + Cl2 = FeCl3 =>
2 FeCl2 + Cl2 = 2 FeCl3
Bi(NO3)3 + NaOH + NaClO = NaBiO3 + NaCl + H2O + NaNO3 =>
Bi(NO3)3 + 4 NaOH + NaClO = NaBiO3 + NaCl + 2 H2O + 3 NaNO3
CuO + NaOH = CuOH + NaO =>
CuO + NaOH = CuOH + NaO
MnBr2 + KNO3 = KBr + Mn(NO3)2 =>
MnBr2 + 2 KNO3 = 2 KBr + Mn(NO3)2
Mg2C3 + H2O = Mg(OH)2 + C3H4 =>
Mg2C3 + 4 H2O = 2 Mg(OH)2 + C3H4
CH3COOH + BaCrO4 = Ba(CH3COO)2 + H2CrO4 =>
2 CH3COOH + BaCrO4 = Ba(CH3COO)2 + H2CrO4
Fe{2+} + CrO4{-} + H2O = Fe{3+} + Cr(OH)3 + OH{-} =>
4 Fe{2+} + CrO4{-} + 4 H2O = 4 Fe{3+} + Cr(OH)3 + 5 OH{-}
C16H30O5 + O2 = CO2 + H2O =>
C16H30O5 + 21 O2 = 16 CO2 + 15 H2O
Cl2 + Na2S2O3 = NaCl + SO2 + S =>
2 Cl2 + 2 Na2S2O3 = 4 NaCl + 3 SO2 + S
Fe(s) + Al2O3(s) = Al(s) + Fe2O3 =>
2 Fe(s) + Al2O3(s) = 2 Al(s) + Fe2O3
K2O + Al2O3 + H2O = K[Al(OH)4] =>
K2O + Al2O3 + 4 H2O = 2 K[Al(OH)4]
HC2H3O2 + Mg(OH)2 = Mg(C2H3O2)2 + H2O =>
2 HC2H3O2 + Mg(OH)2 = Mg(C2H3O2)2 + 2 H2O
Mg + Fe2O3 = MgO + Fe =>
3 Mg + Fe2O3 = 3 MgO + 2 Fe
Pb(OH)4 + H = H2O + Pb =>
Pb(OH)4 + 4 H = 4 H2O + Pb
Ba + H2O = Ba(OH)2 + H2 =>
Ba + 2 H2O = Ba(OH)2 + H2
KCl + AgNO3 = AgCl + KNO3 =>
KCl + AgNO3 = AgCl + KNO3
Ta + HNO3 + HF = H3[TaF7] + NO + H2O =>
3 Ta + 4 HNO3 + 21 HF = 3 H3[TaF7] + 4 NO + 8 H2O
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
CH3COClCH3CH2COONa = CH3CONaCH3CH2COOCl =>
CH3COClCH3CH2COONa = CH3CONaCH3CH2COOCl
K3[Fe(CN)6] + NaOH = Fe(OH)3 + NaCN + KCN =>
K3[Fe(CN)6] + 3 NaOH = Fe(OH)3 + 3 NaCN + 3 KCN
Mg(NO3)2 + H2SO4 = MgSO4 + HNO3 =>
Mg(NO3)2 + H2SO4 = MgSO4 + 2 HNO3
Sr + P4 = Sr3P2 =>
6 Sr + P4 = 2 Sr3P2
Cd + S = CdS =>
Cd + S = CdS
NaIKCl = KINaCl =>
NaIKCl = KINaCl
BaO(s) + H2O(l) = BaO2(s) + H2(g) =>
BaO(s) + H2O(l) = BaO2(s) + H2(g)
H3PO3 + LiOH = H3OH + LiPO3 =>
H3PO3 + LiOH = H3OH + LiPO3
H2Se + OH = H2O + HSe =>
H2Se + OH = H2O + HSe
C2H6 + Cl = C2H5Cl + H2 =>
2 C2H6 + 2 Cl = 2 C2H5Cl + H2
NO + KMnO4 + H2SO4 = MnSO4 + Mn(NO3)2 + KNO3 + H2O =>
5 NO + 3 KMnO4 + 2 H2SO4 = 2 MnSO4 + Mn(NO3)2 + 3 KNO3 + 2 H2O
O = O7 =>
7 O = O7
KMnO4 + HCl = KCl + MnCl2 + H2O + Cl2 =>
2 KMnO4 + 16 HCl = 2 KCl + 2 MnCl2 + 8 H2O + 5 Cl2
Al(SO) + KOH = Al(OH) + K(SO) =>
Al(SO) + KOH = Al(OH) + K(SO)
FeO3(s) + CO(g) = Fe(l) + CO2(g) =>
FeO3(s) + 3 CO(g) = Fe(l) + 3 CO2(g)
H3PO4 + N2O5 = HNO3 + P2O5 =>
2 H3PO4 + 3 N2O5 = 6 HNO3 + P2O5
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