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6 NaBr + 2 K2CrO4 + 8 H2SO4 = 3 Br2 + 3 Na2SO4 + 2 K2SO4 + Cr2(SO4)3 + 8 H2O
Na(NO3) + Ca2(CO3) = Na2(CO3) + Ca(NO3) =>
2 Na(NO3) + Ca2(CO3) = Na2(CO3) + 2 Ca(NO3)
CuCl + K2CrO7 + HCl = CuCl2 + CrCl3 + KCl + H2O =>
9 CuCl + K2CrO7 + 14 HCl = 9 CuCl2 + CrCl3 + 2 KCl + 7 H2O
H2S4 + H2O = HSO3 + H3O =>
H2S4 + 34 H2O = 4 HSO3 + 22 H3O
Na2CO3 + Al = Na2 + Al2(CO3)3 =>
3 Na2CO3 + 2 Al = 3 Na2 + Al2(CO3)3
CaI2 + Fe(NO3)3 = Ca(NO3)2 + FeI3 =>
3 CaI2 + 2 Fe(NO3)3 = 3 Ca(NO3)2 + 2 FeI3
C2H6O + H2O + KMnO4 = KOH + MnO4 + C2H6 =>
C2H6O + H2O + 2 KMnO4 = 2 KOH + 2 MnO4 + C2H6
Cr2O7{2-} + SO3{2-} + H{2+} = SO4{2-} + Cr{3+} + H2O =>
Cr2O7{2-} + 5 SO3{2-} + 4 H{2+} = 5 SO4{2-} + 2 Cr{3+} + 2 H2O
Al(OH)4 + H2SO4 = Al(OH)3 + H2O + (SO4) =>
2 Al(OH)4 + H2SO4 = 2 Al(OH)3 + 2 H2O + (SO4)
Cu + HNO3 = Cu(NO3)2 + NO2 + H2O =>
Cu + 4 HNO3 = Cu(NO3)2 + 2 NO2 + 2 H2O
NH + NO2 = N + H2O =>
4 NH + NO2 = 5 N + 2 H2O
K2Cr2O7 + H2SO4 + Na2SO3 + H2O = Cr2(SO4)3 + K2SO4 + NaOH =>
K2Cr2O7 + H2SO4 + 3 Na2SO3 + 2 H2O = Cr2(SO4)3 + K2SO4 + 6 NaOH
Cr + H{+} = Cr{+3} + H2 =>
2 Cr + 6 H{+} = 2 Cr{+3} + 3 H2
KOH + Co3(PO4)2 = K3PO4 + Co(OH)2 =>
6 KOH + Co3(PO4)2 = 2 K3PO4 + 3 Co(OH)2
K + ZnCl = KCl + Zn =>
K + ZnCl = KCl + Zn
PhCH3 + KMnO4 + H2SO4 = PhCOOH + K2SO4 + MnSO4 + H2O =>
5 PhCH3 + 6 KMnO4 + 9 H2SO4 = 5 PhCOOH + 3 K2SO4 + 6 MnSO4 + 14 H2O
CaCN + H2O + O2 = HCN + Ca(OH)2 =>
4 CaCN + 6 H2O + O2 = 4 HCN + 4 Ca(OH)2
S8 + Br2 = SBr2 =>
S8 + 8 Br2 = 8 SBr2
NH3(g) + O2 = NO(g) + H2O(l) =>
4 NH3(g) + 5 O2 = 4 NO(g) + 6 H2O(l)
Na2SH2O = H2S + Na2S + NaOH =>
2 Na2SH2O = H2S + Na2S + 2 NaOH
Na + Hg = Na(Hg) =>
Na + Hg = Na(Hg)
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
CuSO4*5H2O = CuSO4 + H2O =>
CuSO4*5H2O = CuSO4 + 5 H2O
B + KNO3 = B2O3 + KNO2 =>
2 B + 3 KNO3 = B2O3 + 3 KNO2
Li(s) + HNO3(aq) = LiNO3 + H2(g) =>
2 Li(s) + 2 HNO3(aq) = 2 LiNO3 + H2(g)
HCl + Cu = CuCl + H2 =>
2 HCl + 2 Cu = 2 CuCl + H2
CH3OH + CO2 = CH3COOH + O =>
CH3OH + CO2 = CH3COOH + O
H2S + NaOH = H2O + Na02S =>
H2S + 2 NaOH = 2 H2O + Na02S
PHMgBr + H2O = MgBrOH + PHH =>
PHMgBr + H2O = MgBrOH + PHH
I2 + Na2S = I2S + Na2 =>
I2 + Na2S = I2S + Na2
K2SO4 + NiBr2 = K2Ni + Br2SO4 =>
K2SO4 + NiBr2 = K2Ni + Br2SO4
Fe3Cl3 + NH4H = Fe3H3 + NH4Cl =>
Fe3Cl3 + 3 NH4H = Fe3H3 + 3 NH4Cl
C8H18(l) + O2(g) = CO2(g) + H2O =>
2 C8H18(l) + 25 O2(g) = 16 CO2(g) + 18 H2O
HNO3 + Cu20 = Cu(NO3)2 + NO + H2O =>
160 HNO3 + 3 Cu20 = 60 Cu(NO3)2 + 40 NO + 80 H2O
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
Na2CO3(aq) + AgCH3COO(aq) = Ag2CO3 + NaCH3COO(aq) =>
Na2CO3(aq) + 2 AgCH3COO(aq) = Ag2CO3 + 2 NaCH3COO(aq)
MgCl2 + AgNO4 = Mg(NO4)2 + AgCl =>
MgCl2 + 2 AgNO4 = Mg(NO4)2 + 2 AgCl
AlI3 + HNO3 = Al(NO3)3 + I2 + NO + H2O =>
2 AlI3 + 8 HNO3 = 2 Al(NO3)3 + 3 I2 + 2 NO + 4 H2O
C18H32O2(l) + O2(g) = H2O(l) + CO2(g) =>
C18H32O2(l) + 25 O2(g) = 16 H2O(l) + 18 CO2(g)
NH4 + O = NO + H2O =>
NH4 + 3 O = NO + 2 H2O
ZnO + HNO3 = ZnHNO4 =>
ZnO + HNO3 = ZnHNO4
MnKO4 + H2SO4 + H2C2O4 = MnSO4 + K2SO4 + H2O + CO2 =>
2 MnKO4 + 3 H2SO4 + 5 H2C2O4 = 2 MnSO4 + K2SO4 + 8 H2O + 10 CO2
MgC2H3O2 + NH4SO4 = MgSO4 + NH4C2H3O2 =>
MgC2H3O2 + NH4SO4 = MgSO4 + NH4C2H3O2
H2SO4 + KI = KHSO4 + I2 + H2O + S =>
7 H2SO4 + 6 KI = 6 KHSO4 + 3 I2 + 4 H2O + S
FeCl3 + N2H8S = FeS + N2H8Cl3 =>
FeCl3 + N2H8S = FeS + N2H8Cl3
H2*2O = H2 + O2 =>
H2*2O = H2 + O2
SiO2 + carbon = silicon + CO =>
SiO2 + 2 C = Si + 2 CO
Ba(NO3)2(aq) + (NH4)2SO4(aq) = BaSO4(aq) + NH4NO3(aq) =>
Ba(NO3)2(aq) + (NH4)2SO4(aq) = BaSO4(aq) + 2 NH4NO3(aq)
(S2O8){-2} + Pb = Pb{+2} + (SO4){-2} =>
(S2O8){-2} + Pb = Pb{+2} + 2(SO4){-2}
Sr(NO3) + Na(SO4) = Sr(SO4) + Na(NO3) =>
Sr(NO3) + Na(SO4) = Sr(SO4) + Na(NO3)
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