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4 Co + 10 HNO3 = 4 Co(NO3)2 + N2O + 5 H2O
NaOH + H3PO4 = Na2HPO4 + H2O =>
2 NaOH + H3PO4 = Na2HPO4 + 2 H2O
ZnO + HCl = ZnCl2 + H2O = =>
ZnO + 2 HCl = ZnCl2 + H2O
C3H6 + O2 = CO2 + H2O =>
2 C3H6 + 9 O2 = 6 CO2 + 6 H2O
KClO3 + NaBr + H2SO4 = KCl + Na2SO4 + Br2 + H2O =>
KClO3 + 6 NaBr + 3 H2SO4 = KCl + 3 Na2SO4 + 3 Br2 + 3 H2O
K4Fe(CN)6 + KMnO4 + H2SO4 = KHSO4 + Fe2(SO4)3 + MnSO4 + HNO3 + CO2 + H2O =>
10 K4Fe(CN)6 + 122 KMnO4 + 299 H2SO4 = 162 KHSO4 + 5 Fe2(SO4)3 + 122 MnSO4 + 60 HNO3 + 60 CO2 + 188 H2O
NaCl + HCl = NaH + Cl2 =>
NaCl + HCl = NaH + Cl2
S + O = S(O)2 =>
S + 2 O = S(O)2
Cu(No3)2 + NaI = CuI + I2 + NaNo3 =>
2 Cu(No3)2 + 4 NaI = 2 CuI + I2 + 4 NaNo3
H2O + KOH + Al = K3(Al(OH)6) + H2 =>
6 H2O + 6 KOH + 2 Al = 2 K3(Al(OH)6) + 3 H2
Mg2 + HCl = MgCl + H =>
Mg2 + 2 HCl = 2 MgCl + 2 H
H2SeO4 + Ca(OH)2 = Ca(SeO4) + H2O =>
H2SeO4 + Ca(OH)2 = Ca(SeO4) + 2 H2O
CuS04 + Fe = Fe(S04)3 + Cu =>
3 CuS04 + Fe = Fe(S04)3 + 3 Cu
CH3CH(OH)CH3 + Cu(OH)2 = CH3COCH3 + Cu + H2O =>
CH3CH(OH)CH3 + Cu(OH)2 = CH3COCH3 + Cu + 2 H2O
Fe(OH)3 + Br2 + KOH = KFeO4 + KBr + H2O =>
Fe(OH)3 + 2 Br2 + 5 KOH = KFeO4 + 4 KBr + 4 H2O
CaSO4(s) + AgNO3(aq) = Ca(NO3)2(aq) + Ag2SO4(s) =>
CaSO4(s) + 2 AgNO3(aq) = Ca(NO3)2(aq) + Ag2SO4(s)
NaOH + H3PO4 = NaH2PO4 + H2O =>
NaOH + H3PO4 = NaH2PO4 + H2O
MnS + HClO = MnSO4 + HCl =>
MnS + 4 HClO = MnSO4 + 4 HCl
Ba(NO3)2 + K2SiO3 = BaSiO3 + KNO3 =>
Ba(NO3)2 + K2SiO3 = BaSiO3 + 2 KNO3
Na2O + Al(OH)3 = Al2O3 + NaOH =>
3 Na2O + 2 Al(OH)3 = Al2O3 + 6 NaOH
Br2 + Ba(OH)2 = Ba(BrO)2 + BaBr2 + H2O =>
2 Br2 + 2 Ba(OH)2 = Ba(BrO)2 + BaBr2 + 2 H2O
ZnCl2 + NaNO3 = Zn(NO3)2 + NaCl =>
ZnCl2 + 2 NaNO3 = Zn(NO3)2 + 2 NaCl
LiCl(aq) + Na2CO3(aq) = NaCl(aq) + Li2CO3(aq) =>
2 LiCl(aq) + Na2CO3(aq) = 2 NaCl(aq) + Li2CO3(aq)
Al + CuSO4 = Al2(SO4)3 + Cu =>
2 Al + 3 CuSO4 = Al2(SO4)3 + 3 Cu
CaCO3 + C3H6O2 = C3H6O2Ca + H2O + CO2 =>
7 CaCO3 + 8 C3H6O2 = 7 C3H6O2Ca + 3 H2O + 10 CO2
Zn + O2 = ZnO =>
2 Zn + O2 = 2 ZnO
Fe + Ni = NiFe =>
Fe + Ni = NiFe
KHS + HCl = KCl + H2S =>
KHS + HCl = KCl + H2S
Al + CH = AlCH =>
Al + CH = AlCH
PbSO4 + Au = Au2(SO4)3 + Pb =>
3 PbSO4 + 2 Au = Au2(SO4)3 + 3 Pb
Sr(OH)2 + PbO = SrO + Pb(OH)2 =>
Sr(OH)2 + PbO = SrO + Pb(OH)2
MgCl2 + CaSO4 = MgSO4 + CaCl2 =>
MgCl2 + CaSO4 = MgSO4 + CaCl2
MgSO4*H2O + H2O = MgSO4*7H2O =>
MgSO4*H2O + 6 H2O = MgSO4*7H2O
H3PO4 + MnCl2 = Mn3(PO4)2 + HCl =>
2 H3PO4 + 3 MnCl2 = Mn3(PO4)2 + 6 HCl
C2H2Cl4 + Ca(OH)2 = C2HCl3 + CaCl2 + H2O =>
2 C2H2Cl4 + Ca(OH)2 = 2 C2HCl3 + CaCl2 + 2 H2O
H3PO4 + Mg(OH)2 = Mg3(PO4)2 + H2O =>
2 H3PO4 + 3 Mg(OH)2 = Mg3(PO4)2 + 6 H2O
Fe(OH)2 + H2SO4 = FeSO4 + H2O =>
Fe(OH)2 + H2SO4 = FeSO4 + 2 H2O
HCl + KHS = KCl + H2S =>
HCl + KHS = KCl + H2S
CaH2 + H2O2 = Ca(OH)2 + H2 =>
CaH2 + H2O2 = Ca(OH)2 + H2
Fe(OH)3 + H2SO4 = Fe2(SO4)3 + H2O =>
2 Fe(OH)3 + 3 H2SO4 = Fe2(SO4)3 + 6 H2O
NaAl(OH)4 + H2SO4 = Al2(SO4)3 + Na2SO4 + H2O =>
2 NaAl(OH)4 + 4 H2SO4 = Al2(SO4)3 + Na2SO4 + 8 H2O
BaCl2 + NH4ClO3 = Ba(ClO3)2 + NH4Cl =>
BaCl2 + 2 NH4ClO3 = Ba(ClO3)2 + 2 NH4Cl
Fe + O2 = Fe2O3 =>
4 Fe + 3 O2 = 2 Fe2O3
HgI2 + H2O = HgO + HI =>
HgI2 + H2O = HgO + 2 HI
Cl + Br = BrCl2 =>
2 Cl + Br = BrCl2
SO3 + Na = SO3Na =>
SO3 + Na = SO3Na
NaNO3 + (NH4)2S = Na2S + NH4NO3 =>
2 NaNO3 + (NH4)2S = Na2S + 2 NH4NO3
CrO3 + KOH = KCrO4 + H2 =>
2 CrO3 + 2 KOH = 2 KCrO4 + H2
In + Br2 = InBr =>
2 In + Br2 = 2 InBr
Mg + CuN = Cu + MgN =>
Mg + CuN = Cu + MgN
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