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CaCO3 + H2SO4 = CaSO4 + H2O + CO2
Hg + O = HgO =>
Hg + O = HgO
MnO4{-} + HSO3{-} + OH{-} = MnO4{2-} + HSO4{-} + H2O =>
2 MnO4{-} + HSO3{-} + 2 OH{-} = 2 MnO4{2-} + HSO4{-} + H2O
C3H8 + Br2 = C3H7Br + HBr =>
C3H8 + Br2 = C3H7Br + HBr
KCl + FeSO4 = K2SO4 + FeCl2 =>
2 KCl + FeSO4 = K2SO4 + FeCl2
Al + H2SO4 + H2O = Al2(SO4)3*16H2O + H2 =>
2 Al + 3 H2SO4 + 16 H2O = Al2(SO4)3*16H2O + 3 H2
NH4Fe(SO4)2 + BaCl2 = BaSO4 + NH4Cl + FeCl3 =>
NH4Fe(SO4)2 + 2 BaCl2 = 2 BaSO4 + NH4Cl + FeCl3
C5H11NH2 + O2 = N2 + CO2 + H2O =>
4 C5H11NH2 + 33 O2 = 2 N2 + 20 CO2 + 26 H2O
C16H24O5N4 + O2 = CO2 + H2O + NH3 =>
2 C16H24O5N4 + 33 O2 = 32 CO2 + 12 H2O + 8 NH3
NH3 + NO(g) = N2(g) + H2O =>
4 NH3 + 6 NO(g) = 5 N2(g) + 6 H2O
Al(COOH)3 + NaOH = Al(OH)3 + HCOONa =>
Al(COOH)3 + 3 NaOH = Al(OH)3 + 3 HCOONa
Sn(s) + HCl(aq) = SnH2(aq) + Cl2(g) =>
Sn(s) + 2 HCl(aq) = SnH2(aq) + Cl2(g)
S8 + O2 = SO3 =>
S8 + 12 O2 = 8 SO3
NaHCO3 + HF = H2CO3 + NaF =>
NaHCO3 + HF = H2CO3 + NaF
H3PO4(s) = H4P2O7(aq) + H2O(l) =>
2 H3PO4(s) = H4P2O7(aq) + H2O(l)
Ca + HNO3 = Ca(NO3)2 + H2 =>
Ca + 2 HNO3 = Ca(NO3)2 + H2
K2CrO4 + HNO3 = KNO3 + H2CrO4 =>
K2CrO4 + 2 HNO3 = 2 KNO3 + H2CrO4
K3PO4 + Pb(NO3)2 = KNO3 + Pb3(PO4)2 =>
2 K3PO4 + 3 Pb(NO3)2 = 6 KNO3 + Pb3(PO4)2
MgCl2 + Li3Po4 = Mg3(Po4)2 + LiCl =>
3 MgCl2 + 2 Li3Po4 = Mg3(Po4)2 + 6 LiCl
Na + S + O2 = Na2S2O3 =>
4 Na + 4 S + 3 O2 = 2 Na2S2O3
Pb(C2H3O2)2 + K2CrO4 = PbCrO4 + KC2H3O2 =>
Pb(C2H3O2)2 + K2CrO4 = PbCrO4 + 2 KC2H3O2
C2(g) + O2(g) = CO2 =>
C2(g) + 2 O2(g) = 2 CO2
NiCl2 + HNO3 = Ni(NO3)2 + HCl =>
NiCl2 + 2 HNO3 = Ni(NO3)2 + 2 HCl
NH3 + BaCl2 = Ba(NH3)2 + Cl2 =>
2 NH3 + BaCl2 = Ba(NH3)2 + Cl2
NH4 + NO = N + H2O =>
NH4 + 2 NO = 3 N + 2 H2O
Al(OH)3 + K2SO4 = AlK(SO4)2 + KOH =>
Al(OH)3 + 2 K2SO4 = AlK(SO4)2 + 3 KOH
HI = H + I =>
HI = H + I
Fe + F2 = FeF1 =>
2 Fe + F2 = 2 FeF1
KHSO3 = K2O + SO2 + H2O =>
2 KHSO3 = K2O + 2 SO2 + H2O
NH4OH + H2SO4 = (NH4)2SO4 + HOH =>
2 NH4OH + H2SO4 = (NH4)2SO4 + 2 HOH
Al2(SO4)3 + NaI = AlI3 + Na2(SO4) =>
Al2(SO4)3 + 6 NaI = 2 AlI3 + 3 Na2(SO4)
C + HNO3 = CO2 + NO + H2O =>
3 C + 4 HNO3 = 3 CO2 + 4 NO + 2 H2O
Mg(OH)2 + HCl(ac) = MgCl2(ac) + H2O(l) =>
Mg(OH)2 + 2 HCl(ac) = MgCl2(ac) + 2 H2O(l)
NH4 + NO = N + H2O =>
NH4 + 2 NO = 3 N + 2 H2O
Al2O3 = Al + O2 =>
2 Al2O3 = 4 Al + 3 O2
Ca + Cl2 = CaCl2 =>
Ca + Cl2 = CaCl2
Mg = Mg{2+} + e =>
Mg = Mg{2+} + 2e
KI + K2CrO4 + H2SO4 = I2 + Cr2(SO4)3 + K2SO4 + H2O =>
6 KI + 2 K2CrO4 + 8 H2SO4 = 3 I2 + Cr2(SO4)3 + 5 K2SO4 + 8 H2O
NH4HCO3 + SrCl2 = NH4Cl + Sr(HCO3)2 =>
2 NH4HCO3 + SrCl2 = 2 NH4Cl + Sr(HCO3)2
H2P = PH3 + H2P4 =>
10 H2P = 6 PH3 + H2P4
H2S(aq) + Ca(OH)2(aq) = CaS + H2O =>
H2S(aq) + Ca(OH)2(aq) = CaS + 2 H2O
C3H8O2(l) + O2(g) = CO2(g) + H2O(l) =>
C3H8O2(l) + 4 O2(g) = 3 CO2(g) + 4 H2O(l)
MnO4{-} + HSO3{-} = MnO2 + SO4{2-} + H2O + H{+} =>
2 MnO4{-} + 3 HSO3{-} = 2 MnO2 + 3 SO4{2-} + H2O + H{+}
Zn + Pb(NO3)2 = Zn(NO3)2 + Pb =>
Zn + Pb(NO3)2 = Zn(NO3)2 + Pb
K2CO3(aq) + HClO4(aq) = KClO4 + CO2 + H2O =>
K2CO3(aq) + 2 HClO4(aq) = 2 KClO4 + CO2 + H2O
Ba(NO3)2 + KPO4 = BaPO4 + K(NO3)2 =>
Ba(NO3)2 + KPO4 = BaPO4 + K(NO3)2
CH3COOH + NaOH + H2O = NaCH3COO*3H2O =>
CH3COOH + NaOH + 2 H2O = NaCH3COO*3H2O
P2O5 + OH = PO4 + H2O =>
P2O5 + 6 OH = 2 PO4 + 3 H2O
Na + Cl2 = NaCl =>
2 Na + Cl2 = 2 NaCl
CaCl2 + K2CO3 = CaCO3 + KCl =>
CaCl2 + K2CO3 = CaCO3 + 2 KCl
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