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4 H2SO4 + 3 Hg = 3 HgSO4 + S + 4 H2O
CO2H + NaOH = CO2Na + H2O =>
CO2H + NaOH = CO2Na + H2O
Mg(OH)2 + HCl = H2O + MgCl2 =>
Mg(OH)2 + 2 HCl = 2 H2O + MgCl2
I4O9 = I2O5 + OI =>
3 I4O9 = 5 I2O5 + 2 OI
Cu + HNO3 = Cu(NO3)2 + NO2 + H2O(l) =>
Cu + 4 HNO3 = Cu(NO3)2 + 2 NO2 + 2 H2O(l)
MnO2 + NaOH + H2O = Na2[Mn(OH)6] =>
MnO2 + 2 NaOH + 2 H2O = Na2[Mn(OH)6]
Al + HNO3 = Al(NO3)3 + H2 =>
2 Al + 6 HNO3 = 2 Al(NO3)3 + 3 H2
Al + Cd = AlCd =>
Al + Cd = AlCd
FeS2 + O2 = Fe2O3 + SO2 =>
4 FeS2 + 11 O2 = 2 Fe2O3 + 8 SO2
K2SO4 + Ba(OH)2 = K2(OH)2 + BaSO4 =>
K2SO4 + Ba(OH)2 = K2(OH)2 + BaSO4
MgO + P2O5 = Mg3(PO4)2 =>
3 MgO + P2O5 = Mg3(PO4)2
KMnO4 + HCl = Cl2 + H2O + MnO2 + KCl =>
2 KMnO4 + 8 HCl = 3 Cl2 + 4 H2O + 2 MnO2 + 2 KCl
H3PO4 + KIO3 + K2S = I2 + K2SO4 + K3PO4 + H2O =>
8 H3PO4 + 24 KIO3 + 15 K2S = 12 I2 + 15 K2SO4 + 8 K3PO4 + 12 H2O
AgOH + Na2SO4 = Ag2SO4 + NaOH =>
2 AgOH + Na2SO4 = Ag2SO4 + 2 NaOH
Ba + HNO3 = Ba(NO3)2 + H2O + NO2 =>
Ba + 4 HNO3 = Ba(NO3)2 + 2 H2O + 2 NO2
(NH4)2[Co(NCS)4(H2O)] + NH4F = (NH4)2[CoF4] + NH4NCS + H2O =>
(NH4)2[Co(NCS)4(H2O)] + 4 NH4F = (NH4)2[CoF4] + 4 NH4NCS + H2O
CuSO4 + N2H4 + KOH = Cu + N2 + K2SO4 + H2O =>
2 CuSO4 + N2H4 + 4 KOH = 2 Cu + N2 + 2 K2SO4 + 4 H2O
CH3NH3Cl + KOH = CH3NH3K + ClOH =>
CH3NH3Cl + KOH = CH3NH3K + ClOH
Al(aq) + HCl = AlCl3 + H(g) =>
Al(aq) + 3 HCl = AlCl3 + 3 H(g)
KClO + Cu + H2SO4 = CuSO4 + KCl + H2O =>
KClO + Cu + H2SO4 = CuSO4 + KCl + H2O
K4Fe(CN)6 + H2SO4 + H2O = K2SO4 + FeSO4 + (NH4)2SO4 + CO =>
K4Fe(CN)6 + 6 H2SO4 + 6 H2O = 2 K2SO4 + FeSO4 + 3(NH4)2SO4 + 6 CO
Cl + CrF3 = ClF3 + Cr =>
Cl + CrF3 = ClF3 + Cr
Na + Cl2 = NaCl =>
2 Na + Cl2 = 2 NaCl
Cu2 + HCl = CuCl + H2 =>
Cu2 + 2 HCl = 2 CuCl + H2
H2SO4 + NH4HF2 = HF + NH4HSO4 =>
H2SO4 + NH4HF2 = 2 HF + NH4HSO4
CH3CH(OH)COOH + Fe(OH)3 = Fe(CH3CH(OH)COO)3 + H2O =>
3 CH3CH(OH)COOH + Fe(OH)3 = Fe(CH3CH(OH)COO)3 + 3 H2O
K + Br2 = KBr =>
2 K + Br2 = 2 KBr
Cr(OH)3 + NaClO + Na2CO3 = Na2CrO4 + NaCl + H2O + CO2 =>
2 Cr(OH)3 + 3 NaClO + 2 Na2CO3 = 2 Na2CrO4 + 3 NaCl + 3 H2O + 2 CO2
H2O2 = H2O + O2 =>
2 H2O2 = 2 H2O + O2
Mg + KMnO4 = MgO + MnO + K2O =>
5 Mg + 2 KMnO4 = 5 MgO + 2 MnO + K2O
NO2 + KOH = KNO2 + KO2 + H2O =>
3 NO2 + 4 KOH = 3 KNO2 + KO2 + 2 H2O
ZnO + Co(NO3)2 = Zn5Co5 + NO2 + O2 =>
10 ZnO + 10 Co(NO3)2 = 2 Zn5Co5 + 20 NO2 + 15 O2
Al + HNO3 = Al(NO3)3 + H2 =>
2 Al + 6 HNO3 = 2 Al(NO3)3 + 3 H2
NaCl + LiNO3 = NaNO3 + LiCl =>
NaCl + LiNO3 = NaNO3 + LiCl
Hg(NO3)2(g) = HgO(s) + NO2(g) + O2(g) =>
2 Hg(NO3)2(g) = 2 HgO(s) + 4 NO2(g) + O2(g)
ZnOH + CaCl = CaOH + ZnCl =>
ZnOH + CaCl = CaOH + ZnCl
AiCl3 + NaOH = NaAiO2 + NaCl + H2O =>
AiCl3 + 4 NaOH = NaAiO2 + 3 NaCl + 2 H2O
N8 + O2 = N2O =>
N8 + 2 O2 = 4 N2O
Mg + TiCl4 = MgCl2 + Ti =>
2 Mg + TiCl4 = 2 MgCl2 + Ti
Na2Co3(s) + KCl(aq) = NaCl(aq) + K2Co3(s) =>
Na2Co3(s) + 2 KCl(aq) = 2 NaCl(aq) + K2Co3(s)
Mg + CUSO4 = MgSO4 + CU =>
Mg + CUSO4 = MgSO4 + CU
NaOH + Cl = NaCl + NaClO4 + H2O =>
8 NaOH + 8 Cl = 7 NaCl + NaClO4 + 4 H2O
C2H5Cl + Cl2 = C2H4Cl + HCl =>
2 C2H5Cl + Cl2 = 2 C2H4Cl + 2 HCl
()Na3PO4 + ()KOH = ()NaOH + ()K3PO4 =>
()Na3PO4 + 3()KOH = 3()NaOH + ()K3PO4
KClO3 + C6H5COONa = KCl + Na2CO3 + H2O + CO2 =>
10 KClO3 + 2 C6H5COONa = 10 KCl + Na2CO3 + 5 H2O + 13 CO2
C2H5Li + C6H6 = LiCH + C4H10 =>
6 C2H5Li + C6H6 = 6 LiCH + 3 C4H10
S8 + Na2SO3 + H2O = Na2S2O8H10 =>
S8 + 8 Na2SO3 + 40 H2O = 8 Na2S2O8H10
B2H6 + O2 = HBO2 + H2O =>
B2H6 + 3 O2 = 2 HBO2 + 2 H2O
NaOH + AlBr3 = NaBr + Al(OH)3 =>
3 NaOH + AlBr3 = 3 NaBr + Al(OH)3
(C17H35COONa) + Fe2(SO4)3 = Fe(C17H35COO)3 + Na2(SO4) =>
6(C17H35COONa) + Fe2(SO4)3 = 2 Fe(C17H35COO)3 + 3 Na2(SO4)
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