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2 NaHSO4 = (teplo)Na2S2O7 + H2O
C8H10 + NO3 = CO2 + H2O + N2 =>
2 C8H10 + 14 NO3 = 16 CO2 + 10 H2O + 7 N2
Sr(OH)2 + H2TeO4 = SrTeO4 + H2O =>
Sr(OH)2 + H2TeO4 = SrTeO4 + 2 H2O
Cl2 + CrI + KOH = KIO4 + KCrO2 + KCl + H2O =>
5 Cl2 + CrI + 12 KOH = KIO4 + KCrO2 + 10 KCl + 6 H2O
CuSO4 + PO4 = CuPO4 + SO4 =>
CuSO4 + PO4 = CuPO4 + SO4
Na2CuCl4 + Na2SO3 + H2O = NaCuCl2 + NaCl + H2SO4 =>
2 Na2CuCl4 + Na2SO3 + H2O = 2 NaCuCl2 + 4 NaCl + H2SO4
(NH4)2CrO4 + Cr(NO2)3 = (NH4)(NO2) + Cr2(CrO4)3 =>
3(NH4)2CrO4 + 2 Cr(NO2)3 = 6(NH4)(NO2) + Cr2(CrO4)3
Na3[Cr(OH)6] + NaOH + PbO2 = Na2CrO4 + H2O + Na2[Pb(OH)4] =>
2 Na3[Cr(OH)6] + 4 NaOH + 3 PbO2 = 2 Na2CrO4 + 2 H2O + 3 Na2[Pb(OH)4]
FeCl3 + NH3 + H2O + H2 = FeO + NH4Cl =>
2 FeCl3 + 6 NH3 + 2 H2O + H2 = 2 FeO + 6 NH4Cl
Zn + Ag3N = Zn3N2 + Ag =>
3 Zn + 2 Ag3N = Zn3N2 + 6 Ag
(NH4)2CO3 = NH4HCO3 + NH3 =>
(NH4)2CO3 = NH4HCO3 + NH3
Nh4N + Pb(ClO3) = Nh4ClO3 + PbN =>
Nh4N + Pb(ClO3) = Nh4ClO3 + PbN
Na3AsO4 + Zn + HCl = AsH3 + NaCl + H2O + ZnCl2 =>
Na3AsO4 + 4 Zn + 11 HCl = AsH3 + 3 NaCl + 4 H2O + 4 ZnCl2
Bi + NH4OH = BiOH + NH4 =>
Bi + NH4OH = BiOH + NH4
PbS + Cu2S + HNO3 = Pb(NO3)2 + Cu(NO3)2NO + S + H2O =>
PbS + Cu2S + 8 HNO3 = Pb(NO3)2 + 2 Cu(NO3)2NO + 2 S + 4 H2O
Sr(NO3)2 + LiCl = SrCl2 + LiNO3 =>
Sr(NO3)2 + 2 LiCl = SrCl2 + 2 LiNO3
NaClO + NaI + H2SO4 = I2 + NaCl + Na2SO4 + H2O =>
NaClO + 2 NaI + H2SO4 = I2 + NaCl + Na2SO4 + H2O
C2H6O + K2Cr2O7 + H2SO4 = CO2 + K2SO4 + Cr2(SO4)3 + H2O =>
C2H6O + 2 K2Cr2O7 + 8 H2SO4 = 2 CO2 + 2 K2SO4 + 2 Cr2(SO4)3 + 11 H2O
XNO3 = XNO2 + O2 =>
2 XNO3 = 2 XNO2 + O2
Mn(NO)3 + NaBiO3 + HNO3 = MnO4 + BiNO3 + Na + H2O =>
5 Mn(NO)3 + 17 NaBiO3 + 2 HNO3 = 5 MnO4 + 17 BiNO3 + 17 Na + H2O
Mg + Cu{2+} = Mg{2+} + Cu =>
Mg + Cu{2+} = Mg{2+} + Cu
Na3PO4 + Ni(CH3COO)2 = NaCH3COO + Ni3(PO4)2 =>
2 Na3PO4 + 3 Ni(CH3COO)2 = 6 NaCH3COO + Ni3(PO4)2
Sn + HNO3 = SnO2 + NO2 + H2O =>
Sn + 4 HNO3 = SnO2 + 4 NO2 + 2 H2O
Zn + CuPO4 = ZnPO4 + Cu =>
Zn + CuPO4 = ZnPO4 + Cu
F2 + HCl = H2 + FCl =>
F2 + 2 HCl = H2 + 2 FCl
HClO39(aq) + HBr(aq) = HCl(aq) + Br2(g) + H2O(l) =>
HClO39(aq) + 78 HBr(aq) = HCl(aq) + 39 Br2(g) + 39 H2O(l)
CH3COOOH + C2H5OH = CH3COOC2H5 + H2O =>
2 CH3COOOH + 4 C2H5OH = 3 CH3COOC2H5 + 4 H2O
C3H6O + NaBH4 = C3H8O + NaB =>
2 C3H6O + NaBH4 = 2 C3H8O + NaB
MgS(s) + HCl(aq) = MgCl2(aq) + H2S(g) =>
MgS(s) + 2 HCl(aq) = MgCl2(aq) + H2S(g)
KMnO4 + HBr + H2SO4 = HBrO + K2SO4 + MnSO4 + H2O =>
2 KMnO4 + 5 HBr + 3 H2SO4 = 5 HBrO + K2SO4 + 2 MnSO4 + 3 H2O
NaCl + KPO4 = NaPO4 + KCl =>
NaCl + KPO4 = NaPO4 + KCl
Br2 + H2O = Br(OH)2 + HBr2 =>
5 Br2 + 4 H2O = 2 Br(OH)2 + 4 HBr2
P4(s) + O2(g) + H2O(l) = H3PO4 =>
P4(s) + 5 O2(g) + 6 H2O(l) = 4 H3PO4
Fe{2} + Cr2O7{-2} + H{+} = Fe{+3} + Cr{+3} + H2O =>
6 Fe{2} + Cr2O7{-2} + 14 H{+} = 6 Fe{+3} + 2 Cr{+3} + 7 H2O
H2O + CO2 = C18H36O + O2 =>
36 H2O + 36 CO2 = 2 C18H36O + 53 O2
PB(No3)2 + KI(aq) = KNo3 + PBI2 =>
PB(No3)2 + 2 KI(aq) = 2 KNo3 + PBI2
Al(NO3)3 + K2CrO4 = Al2(CrO4)3 + KNO3 =>
2 Al(NO3)3 + 3 K2CrO4 = Al2(CrO4)3 + 6 KNO3
Cr(aq) = Cr(s) =>
Cr(aq) = Cr(s)
K2MnO4 + H2O = HMnO4 + MnO2 + KOH =>
3 K2MnO4 + 4 H2O = 2 HMnO4 + MnO2 + 6 KOH
CaO + SO4 = CaSO4 + O =>
CaO + SO4 = CaSO4 + O
CaCl2 + Na3PO4 = CaPO4 + Na3Cl2 = =>
CaCl2 + Na3PO4 = CaPO4 + Na3Cl2
CaCl2(aq) + Na3(PO4)(aq) = Ca3(PO4)2(s) + NaCl(aq) =>
3 CaCl2(aq) + 2 Na3(PO4)(aq) = Ca3(PO4)2(s) + 6 NaCl(aq)
Cr2O7{-} + Cl{-} + H{+} = Cr{3+} + H2O + Cl2 =>
2 Cr2O7{-} + 14 Cl{-} + 28 H{+} = 4 Cr{3+} + 14 H2O + 7 Cl2
Ni2O3 + NH3 = NiO + NO2 + H2O =>
7 Ni2O3 + 2 NH3 = 14 NiO + 2 NO2 + 3 H2O
Fe(s) + N2(g) = FeN(s) =>
2 Fe(s) + N2(g) = 2 FeN(s)
MoCl5(s) + Na2S(s) = MoS2(s) + NaCl(s) + S(s) =>
2 MoCl5(s) + 5 Na2S(s) = 2 MoS2(s) + 10 NaCl(s) + S(s)
Zr + HF + HNO3 = NO + H2O + H2[Zr(F)6] =>
3 Zr + 18 HF + 4 HNO3 = 4 NO + 8 H2O + 3 H2[Zr(F)6]
LiI + Ca2S2 = LiS2 + Ca2I =>
LiI + Ca2S2 = LiS2 + Ca2I
H3PO4 + LiOH = HOH + Li3PO4 =>
H3PO4 + 3 LiOH = 3 HOH + Li3PO4
OH{-} + V{3} = VO{+} + H{+} =>
OH{-} + V{3} = VO{+} + H{+}
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