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2 KMnO4 + 10 HBr + 3 H2SO4 = 5 Br2 + 2 MnSO4 + K2SO4 + 8 H2O
ZnS2 + H2SO4 = ZnSO4 + S + H2O =>
3 ZnS2 + 4 H2SO4 = 3 ZnSO4 + 7 S + 4 H2O
K2CO3 + H3PO4 = H2CO3 + KH2PO4 =>
K2CO3 + 2 H3PO4 = H2CO3 + 2 KH2PO4
ZrO{2+} + NaOH = ZrO(OH)2 + Na{+} =>
ZrO{2+} + 2 NaOH = ZrO(OH)2 + 2 Na{+}
Ba(NO3)2 + K2(CO3) = Ba2(CO3)2 + K(NO3) =>
2 Ba(NO3)2 + 2 K2(CO3) = Ba2(CO3)2 + 4 K(NO3)
CaC2 + H2O = Ca(OH)2 + (C2H2) =>
CaC2 + 2 H2O = Ca(OH)2 + (C2H2)
Mg(OH){2} = MgO + H{2}O =>
Mg(OH){2} = MgO + H{2}O
CaCl2 + Br2 = Cl2CaBr2 =>
CaCl2 + Br2 = Cl2CaBr2
H2SO4 + NaOH = Na2SO4 + H2O =>
H2SO4 + 2 NaOH = Na2SO4 + 2 H2O
P4 + O2 = P2O5 =>
P4 + 5 O2 = 2 P2O5
C5H10O5(s) + O2(g) = CO2(g) + H2O(g) =>
C5H10O5(s) + 5 O2(g) = 5 CO2(g) + 5 H2O(g)
Cs2SO3 + NiF2 = CsF + NiSO3 =>
Cs2SO3 + NiF2 = 2 CsF + NiSO3
NaH + H2O = H2 + Na2O =>
2 NaH + H2O = 2 H2 + Na2O
MgCO3(s) + H2CO3(aq) = Mg(HCO3)2(aq) =>
MgCO3(s) + H2CO3(aq) = Mg(HCO3)2(aq)
C3H6 + O2 = CO2 + H2O =>
2 C3H6 + 9 O2 = 6 CO2 + 6 H2O
Pb(CH3COO)2 + Na2SO4 = Pb2SO4 + (CH3COO) + Na =>
2 Pb(CH3COO)2 + Na2SO4 = Pb2SO4 + 4(CH3COO) + 2 Na
Cu2(OH)2CO3 = CO2 + CuO + H2O =>
Cu2(OH)2CO3 = CO2 + 2 CuO + H2O
Na2C2O4 + Ca(C2H3O2)2 = NaC2H3O2 + CaC2O4 =>
Na2C2O4 + Ca(C2H3O2)2 = 2 NaC2H3O2 + CaC2O4
Cu1 + S8 = Cu2S =>
16 Cu1 + S8 = 8 Cu2S
O + MgCl2 = Mg + ClO2 =>
4 O + MgCl2 = Mg + 2 ClO2
KI(aq) + MgSO4(aq) = MgI2(s) + K2SO4(aq) =>
2 KI(aq) + MgSO4(aq) = MgI2(s) + K2SO4(aq)
Cu2(OH)2CO3 = CO2 + CuO + H2O =>
Cu2(OH)2CO3 = CO2 + 2 CuO + H2O
K3PO3 + Al(NO2)3 = KNO2 + AlPO3 =>
K3PO3 + Al(NO2)3 = 3 KNO2 + AlPO3
Ca(NO2)2 + H2SO4 = CaSO4 + NO2 + NO + H2O =>
Ca(NO2)2 + H2SO4 = CaSO4 + NO2 + NO + H2O
FeCl3(aq) + (NH4)2S(aq) = Fe2S3(aq) + NH4Cl(aq) =>
2 FeCl3(aq) + 3(NH4)2S(aq) = Fe2S3(aq) + 6 NH4Cl(aq)
CH4 + NaOH = NaCH3 + H2O =>
CH4 + NaOH = NaCH3 + H2O
Ca(H2PO4)2 + Li2S = CaS + Li2(H2PO4)2 =>
Ca(H2PO4)2 + Li2S = CaS + Li2(H2PO4)2
H2SO3 + LiOH = H2O + Li2 + SO4 =>
H2SO3 + 4 LiOH = 3 H2O + 2 Li2 + SO4
CaO + HBr = CaBr + OH =>
CaO + HBr = CaBr + OH
As2O3 + SnCl2 + HCl + NaCl = As + Na2SnCl6 + H2O =>
As2O3 + 3 SnCl2 + 6 HCl + 6 NaCl = 2 As + 3 Na2SnCl6 + 3 H2O
Zinccarbonate = Zincoxide + CO2 =>
ZnCO3 = ZnO + CO2
*2H2S + O2 = SO2 + H2O =>
*2H2S + 3 O2 = 2 SO2 + 2 H2O
Ca(No2)2 + Al = Al(No2)3 + Ca =>
3 Ca(No2)2 + 2 Al = 2 Al(No2)3 + 3 Ca
CH193 + O2 = CO2 + H2O =>
4 CH193 + 197 O2 = 4 CO2 + 386 H2O
FeS + HCl = FeCl2 + H2S =>
FeS + 2 HCl = FeCl2 + H2S
Na2S + Fe(NO3)2 = FeS + Na(NO3) =>
Na2S + Fe(NO3)2 = FeS + 2 Na(NO3)
HH = H2 =>
HH = H2
NaOH + CaO = Ca(OH)2 + Na2O =>
2 NaOH + CaO = Ca(OH)2 + Na2O
FeO(s) + H2O(l) + CO2(g) = Fe3O4(s) + CH4(g) =>
12 FeO(s) + 2 H2O(l) + CO2(g) = 4 Fe3O4(s) + CH4(g)
MnO + CuO + IrO2 = Mn3CuIrO6 =>
3 MnO + CuO + IrO2 = Mn3CuIrO6
NaOH(s) + H2SO4(Ac) = Na2SO4(Ac) + H2O(l) =>
2 NaOH(s) + H2SO4(Ac) = Na2SO4(Ac) + 2 H2O(l)
Mg(HCO3)2 + HCl = H2CO3 + MgCl2 =>
Mg(HCO3)2 + 2 HCl = 2 H2CO3 + MgCl2
C10H8 + CuO = Cu2O + CO2 + H2O =>
C10H8 + 48 CuO = 24 Cu2O + 10 CO2 + 4 H2O
Al(No3)3 + KBr = AlBr + K(No3)3 =>
Al(No3)3 + KBr = AlBr + K(No3)3
Ba3N2 + H2O = Ba(OH)2 + NH3 =>
Ba3N2 + 6 H2O = 3 Ba(OH)2 + 2 NH3
FeCl3 + K2C2O4 = K3[Fe(C2O4)3] + KCl =>
FeCl3 + 3 K2C2O4 = K3[Fe(C2O4)3] + 3 KCl
KI(aq) + Na2CO3(aq) = K2CO3(aq) + NaI(aq) =>
2 KI(aq) + Na2CO3(aq) = K2CO3(aq) + 2 NaI(aq)
Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2
Ba3N2 + H2O = Ba(OH)2 + NH3 =>
Ba3N2 + 6 H2O = 3 Ba(OH)2 + 2 NH3
Fe + S8 = Fe2S3 =>
16 Fe + 3 S8 = 8 Fe2S3
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