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N2 + 3 H2 = 2 NH3
Zn(OH)2 + H2SO4 = ZnSO4 + H2O =>
Zn(OH)2 + H2SO4 = ZnSO4 + 2 H2O
KOH + HBr = KBr + H2O =>
KOH + HBr = KBr + H2O
OH{-} + (CN)2 = CN{-} + OCN{-} + H2O =>
2 OH{-} + (CN)2 = CN{-} + OCN{-} + H2O
CH4 + S8 = CS2 + H2S =>
2 CH4 + S8 = 2 CS2 + 4 H2S
FeS + HCl = FeCl2 + H2S =>
FeS + 2 HCl = FeCl2 + H2S
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
PbCO3 = PbO + CO2 =>
PbCO3 = PbO + CO2
N2 + O2 = N2O5 =>
2 N2 + 5 O2 = 2 N2O5
C2H5MgBr + C2H5OH = C2H5OMgBr + C2H6 =>
C2H5MgBr + C2H5OH = C2H5OMgBr + C2H6
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
FeCl3 + Na2CO3 = Fe2C3O9 + NaCl =>
2 FeCl3 + 3 Na2CO3 = Fe2C3O9 + 6 NaCl
CuS + Na2CO3 = CuCO3 + Na2S =>
CuS + Na2CO3 = CuCO3 + Na2S
H2(SO4) + Pb(OH)4 = Pb(SO4)2 + H2O =>
2 H2(SO4) + Pb(OH)4 = Pb(SO4)2 + 4 H2O
Al2(So4)3 + Ca(oh)2 = Al(oh)3 + CaSo4 =>
6 Al2(So4)3 + 9 Ca(oh)2 = 4 Al(oh)3 + 18 CaSo4
Pb(NO3)2(aq) + HCl(aq) = PbCl2(s) + HNO3(aq) =>
Pb(NO3)2(aq) + 2 HCl(aq) = PbCl2(s) + 2 HNO3(aq)
HCl + NaOH = NaCl + H2O =>
HCl + NaOH = NaCl + H2O
Ag + CuSO4 = AgSO4 + Cu =>
Ag + CuSO4 = AgSO4 + Cu
Ca(s) + HCl(aq) = CaCl2(aq) + H2(g) =>
Ca(s) + 2 HCl(aq) = CaCl2(aq) + H2(g)
C6H12O2 + O2 = CO2 + H2O =>
C6H12O2 + 8 O2 = 6 CO2 + 6 H2O
Zn + Pb[C2H3O2]2 = Pb + Zn[C2H3O2] =>
2 Zn + Pb[C2H3O2]2 = Pb + 2 Zn[C2H3O2]
Ni(NO3)2 + Rb3PO4 = Ni3(PO4)2 + RbNO3 =>
3 Ni(NO3)2 + 2 Rb3PO4 = Ni3(PO4)2 + 6 RbNO3
CA(OH)2 + SO3 = CASO4 + H2O =>
CA(OH)2 + SO3 = CASO4 + H2O
Al + HCl = AlCl3 + H2 =>
2 Al + 6 HCl = 2 AlCl3 + 3 H2
Fe(OH)2(s) + HCl(aq) = FeCl2(aq) + H2O =>
Fe(OH)2(s) + 2 HCl(aq) = FeCl2(aq) + 2 H2O
NaHCO3 + H3C6H5O7 = H2O + Na3C6H5O7 + CO2 =>
3 NaHCO3 + H3C6H5O7 = 3 H2O + Na3C6H5O7 + 3 CO2
PCl5 + H2O = HCl + H3PO4 =>
PCl5 + 4 H2O = 5 HCl + H3PO4
HCl(aq) + O2(g) = H2O(l) + Cl2(g) =>
4 HCl(aq) + O2(g) = 2 H2O(l) + 2 Cl2(g)
AgNO3(aq) + Zn(s) = Ag(s) + Zn(NO3)2(aq) =>
2 AgNO3(aq) + Zn(s) = 2 Ag(s) + Zn(NO3)2(aq)
NH4Cl + Ba(OH)2 = BaCl2 + NH3 + H2O =>
2 NH4Cl + Ba(OH)2 = BaCl2 + 2 NH3 + 2 H2O
Al + O2 = Al2O3 =>
4 Al + 3 O2 = 2 Al2O3
SnO2 + C = Sn + CO =>
SnO2 + 2 C = Sn + 2 CO
N2Cl4 + CH4 = N2 + H2 + CCl4 =>
N2Cl4 + CH4 = N2 + 2 H2 + CCl4
Pb + Zn[C2H3O2] = Zn + Pb[C2H3O2]2 =>
Pb + 2 Zn[C2H3O2] = 2 Zn + Pb[C2H3O2]2
P4O10(s) + Na2O(s) = Na3PO4(s) =>
P4O10(s) + 6 Na2O(s) = 4 Na3PO4(s)
Al + Cl2 = AlCl3 =>
2 Al + 3 Cl2 = 2 AlCl3
C4H10S(l) + O2(g) = CO2 + H2O + SO =>
C4H10S(l) + 7 O2(g) = 4 CO2 + 5 H2O + SO
C6H12O6(aq) + O2(g) = CO2(g) + H2O(l) =>
C6H12O6(aq) + 6 O2(g) = 6 CO2(g) + 6 H2O(l)
CH4 + Cl2 = CCl4 + HCl =>
CH4 + 4 Cl2 = CCl4 + 4 HCl
P + O2 = P4O10 =>
4 P + 5 O2 = P4O10
H + H2PO4 = HH2PO4 =>
H + H2PO4 = HH2PO4
Ca3(PO4)2 + H2(SO4) = Ca(SO4) + Ca(H2PO4)2 =>
Ca3(PO4)2 + 2 H2(SO4) = 2 Ca(SO4) + Ca(H2PO4)2
H + H2PO4 = HH2PO4 =>
H + H2PO4 = HH2PO4
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
Mn(NO3)2 + Na2CO3 = NaNO3 + MnCO3 =>
Mn(NO3)2 + Na2CO3 = 2 NaNO3 + MnCO3
Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2
Na2CO3 + KNO3 = K2CO3 + NaNO3 =>
Na2CO3 + 2 KNO3 = K2CO3 + 2 NaNO3
NaBr + AgC2H3O2 = NaC2H3O2 + AgBr =>
NaBr + AgC2H3O2 = NaC2H3O2 + AgBr
H3PO4 + HCl = PCl5 + H2O =>
H3PO4 + 5 HCl = PCl5 + 4 H2O
C5H8 + O2 = CO2 + H2O =>
C5H8 + 7 O2 = 5 CO2 + 4 H2O
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