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2 Ho + 3 I2 = 2 HoI3
C8H8 + O2 = CO2 + H2O =>
C8H8 + 10 O2 = 8 CO2 + 4 H2O
Cu(NO3)2 + Cr = Cr(NO3)2 + Cu =>
Cu(NO3)2 + Cr = Cr(NO3)2 + Cu
Pb(s) + CuCl2(aq) = Cu(s) + PbCl4(s) =>
Pb(s) + 2 CuCl2(aq) = 2 Cu(s) + PbCl4(s)
CH3COONa + NH4Cl = C5H7NO2 + N2 + CO2 + H2 + NaCl =>
8 CH3COONa + 8 NH4Cl = 2 C5H7NO2 + 3 N2 + 6 CO2 + 21 H2 + 8 NaCl
KOH + KH2Po4 = K2HPo4 + H2O =>
KOH + KH2Po4 = K2HPo4 + H2O
Mg(OH)2 + H = Mg + H2O =>
Mg(OH)2 + 2 H = Mg + 2 H2O
C5H10O + H2 = C5H11OH =>
C5H10O + H2 = C5H11OH
NiCl2 + K2CO3 = NiCO3 + KCl =>
NiCl2 + K2CO3 = NiCO3 + 2 KCl
C + N = C3N4 =>
3 C + 4 N = C3N4
Kl + AgNO3 = KlNO3 + AgKl =>
2 Kl + AgNO3 = KlNO3 + AgKl
KMnO4 + NH3 = MnO2 + N2 + KOH + H2O =>
2 KMnO4 + 2 NH3 = 2 MnO2 + N2 + 2 KOH + 2 H2O
Al2O3 + KOH + H2O = K3[Al(OH)6] =>
Al2O3 + 6 KOH + 3 H2O = 2 K3[Al(OH)6]
Zn + Cu(SO4) = Zn(SO4) + Cu =>
Zn + Cu(SO4) = Zn(SO4) + Cu
H2C2O4 + Ca(OH)2 = HOH + CaC2O4 =>
H2C2O4 + Ca(OH)2 = 2 HOH + CaC2O4
B + O2 = B2O2 =>
2 B + O2 = B2O2
Fe + C6H8O7 = FeC6H5O7 + H2 =>
2 Fe + 2 C6H8O7 = 2 FeC6H5O7 + 3 H2
CU[NO3]2 = CUO + NO2 + O2 =>
2 CU[NO3]2 = 2 CUO + 4 NO2 + O2
CaBr2 + K2(CO3) = CaCO3 + KBr =>
CaBr2 + K2(CO3) = CaCO3 + 2 KBr
Ca(OH)2(ac) + CO2(g) = CaCO3(s) + H2O(l) =>
Ca(OH)2(ac) + CO2(g) = CaCO3(s) + H2O(l)
Na2FeO4 + MnSO4 + H2SO4 = Fe2(SO4)3 + MnO4 + Na2SO4 + H2O =>
2 Na2FeO4 + MnSO4 + 4 H2SO4 = Fe2(SO4)3 + MnO4 + 2 Na2SO4 + 4 H2O
K2CrO4 + NH3 = KH + N2(CrO4)3 =>
3 K2CrO4 + 2 NH3 = 6 KH + N2(CrO4)3
CO + KOH = HCOOK =>
CO + KOH = HCOOK
Al2(SO4)3 + NH3 = AlNH3 + SO4 =>
Al2(SO4)3 + 2 NH3 = 2 AlNH3 + 3 SO4
HBr + H2O = H3O + Br2 =>
2 HBr + 2 H2O = 2 H3O + Br2
CaCl2(s) = Ca + Cl2 =>
CaCl2(s) = Ca + Cl2
Cs + N2 = Cs3N =>
6 Cs + N2 = 2 Cs3N
Pb + NaOH = Pb2NaOH =>
2 Pb + NaOH = Pb2NaOH
TeF6 + CsF = Cs2[TeF8] =>
TeF6 + 2 CsF = Cs2[TeF8]
NH4HCO3(s) = NH3(g) + CO2(g) + H2O(g) =>
NH4HCO3(s) = NH3(g) + CO2(g) + H2O(g)
Zn(s) + HCl(ac) = ZnCl2(ac) + H2(g) =>
Zn(s) + 2 HCl(ac) = ZnCl2(ac) + H2(g)
C6H5CH3 + Br2 = C6H5CH2Br + HBr =>
C6H5CH3 + Br2 = C6H5CH2Br + HBr
CuSO4 + NaOH + C6H12O6 = Cu2O + Na2SO4 + C6H12O7 + H2O =>
2 CuSO4 + 4 NaOH + C6H12O6 = Cu2O + 2 Na2SO4 + C6H12O7 + 2 H2O
Ni(NO3)2 + NH3 = Ni(NH3)2 + NO3 =>
Ni(NO3)2 + 2 NH3 = Ni(NH3)2 + 2 NO3
Cu + HgSO4 = CuSO4 + Hg =>
Cu + HgSO4 = CuSO4 + Hg
TiO2 + HNO3 = TiO(NO3)2 + H2O =>
TiO2 + 2 HNO3 = TiO(NO3)2 + H2O
FeCl3 + C7H6O3 = Fe(OH)2 + C7H4OCl3 =>
FeCl3 + C7H6O3 = Fe(OH)2 + C7H4OCl3
H2 + CO3 = H2CO3 =>
H2 + CO3 = H2CO3
Au + HNO3 = AuNO3 + H =>
Au + HNO3 = AuNO3 + H
Ag(NO3) + Na2(C2O4) = Ag2(C2O4) + Na(NO3) =>
2 Ag(NO3) + Na2(C2O4) = Ag2(C2O4) + 2 Na(NO3)
(NH3OH)Cl + K2Cr2O7 + H3PO4 = N2 + K3PO4 + CrPO4 + H2O + HCl =>
18(NH3OH)Cl + 3 K2Cr2O7 + 8 H3PO4 = 9 N2 + 2 K3PO4 + 6 CrPO4 + 39 H2O + 18 HCl
H3O + CO2 = O2 + C4H6 =>
2 H3O + 4 CO2 = 5 O2 + C4H6
CO2 + H3O = C6H12O6 + O2 =>
6 CO2 + 4 H3O = C6H12O6 + 5 O2
NO2 + H = N2O + H2O =>
2 NO2 + 6 H = N2O + 3 H2O
Cs(s) + H2O = CsOH + H2 =>
2 Cs(s) + 2 H2O = 2 CsOH + H2
K + Sn(NO3)4 = Sn + K(NO3) =>
4 K + Sn(NO3)4 = Sn + 4 K(NO3)
Mg(NO3)2 + FeF2 = Fe(NO3)2 + MgF2 =>
Mg(NO3)2 + FeF2 = Fe(NO3)2 + MgF2
H2S(aq) + NiSO4(aq) = H2SO4(aq) + NiS(s) =>
H2S(aq) + NiSO4(aq) = H2SO4(aq) + NiS(s)
S8 + O2 = SO3 =>
S8 + 12 O2 = 8 SO3
Zn + Ca(OH)2 = CaZnO2 + H2 =>
Zn + Ca(OH)2 = CaZnO2 + H2
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