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Zn + 2 HCl = ZnCl2 + H2
H3PO4 = H4P2O7 + H2O =>
2 H3PO4 = H4P2O7 + H2O
KBr + CH2Cl2 = KCH2 + Cl2 + Br =>
KBr + CH2Cl2 = KCH2 + Cl2 + Br
KMnO4 + FeSO4 + H2SO4 = Fe2(SO4)3 + MnSO4 + K2S + H2O =>
2 KMnO4 + 18 FeSO4 + 12 H2SO4 = 9 Fe2(SO4)3 + 2 MnSO4 + K2S + 12 H2O
P + O2 = P2O5 =>
4 P + 5 O2 = 2 P2O5
K(Al(OH)4) + H2SO4 = Al(OH)3 + H2O + K2SO4 =>
2 K(Al(OH)4) + H2SO4 = 2 Al(OH)3 + 2 H2O + K2SO4
Pb(No3)2 + NaCl = Na2(No3)2 + PbCl2 =>
Pb(No3)2 + 2 NaCl = Na2(No3)2 + PbCl2
Na(s) + H2O(l) = H2(g) + NaOH(aq) =>
2 Na(s) + 2 H2O(l) = H2(g) + 2 NaOH(aq)
Fe2(SO4)3 + BaCl2 = Fe2Cl6 + BaSO4 =>
Fe2(SO4)3 + 3 BaCl2 = Fe2Cl6 + 3 BaSO4
C5H11OH + O2 = CO2 + H2O =>
2 C5H11OH + 15 O2 = 10 CO2 + 12 H2O
CH3COONa + KCl = CH3COOK + NaCl =>
CH3COONa + KCl = CH3COOK + NaCl
Li(s) + HNO3(aq) = LiNO3(aq) + H2(g) =>
2 Li(s) + 2 HNO3(aq) = 2 LiNO3(aq) + H2(g)
Fe2O3 + NaClO + NaOH = Na2FeO4 + NaCl + H2O =>
Fe2O3 + 3 NaClO + 4 NaOH = 2 Na2FeO4 + 3 NaCl + 2 H2O
Na(s) + H2O(l) = H2(g) + NaOH(aq) =>
2 Na(s) + 2 H2O(l) = H2(g) + 2 NaOH(aq)
V + F2 = VF5 =>
2 V + 5 F2 = 2 VF5
HNO3 + Sr(OH)2 = Sr(NO3)2 + H2O =>
2 HNO3 + Sr(OH)2 = Sr(NO3)2 + 2 H2O
BaCl2 + Fe2(SO4)3 = BaSO4 + FeCl3 =>
3 BaCl2 + Fe2(SO4)3 = 3 BaSO4 + 2 FeCl3
C16H34 = C8H18 + C8H16 =>
C16H34 = C8H18 + C8H16
Ta + HF = TaF5 + H2 =>
2 Ta + 10 HF = 2 TaF5 + 5 H2
Cl2 + KOH = KCl + KClO2 + H2O =>
2 Cl2 + 4 KOH = 3 KCl + KClO2 + 2 H2O
Fe(s) + Cu(NO3)2(aq) = Cu(s) + Fe(NO3)3 =>
2 Fe(s) + 3 Cu(NO3)2(aq) = 3 Cu(s) + 2 Fe(NO3)3
Pb(CH2COO) + H2S = PbS + CH3COOH =>
Pb(CH2COO) + H2S = PbS + CH3COOH
C2H6O + O2 = C2 + H2O =>
C2H6O + O2 = C2 + 3 H2O
Na2O + LiOH = NaOH + Li2O =>
Na2O + 2 LiOH = 2 NaOH + Li2O
CaCr2O7 + HCl = CaCl2 + CrCl3 + H2O + Cl2 =>
CaCr2O7 + 14 HCl = CaCl2 + 2 CrCl3 + 7 H2O + 3 Cl2
HF + Au(OH)3 = AuF3 + H2O =>
3 HF + Au(OH)3 = AuF3 + 3 H2O
ZnOHCl + H2SO4 = ZnSO4 + HCl + H2O =>
ZnOHCl + H2SO4 = ZnSO4 + HCl + H2O
Cr2S3 + KNO3 + Na2CO3 = K2CrO4 + NO + K2CO3 + Na2SO4 =>
Cr2S3 + 10 KNO3 + 3 Na2CO3 = 2 K2CrO4 + 10 NO + 3 K2CO3 + 3 Na2SO4
HCl + CaCO3 = CaCl2 + H2O + CO2 =>
2 HCl + CaCO3 = CaCl2 + H2O + CO2
Li + H2SeO4 = Li2SeO4 + H2 =>
2 Li + H2SeO4 = Li2SeO4 + H2
Mn + HI = H2 + MnI3 =>
2 Mn + 6 HI = 3 H2 + 2 MnI3
Si4H10(s) + O2(g) = SiO2 + H2O =>
2 Si4H10(s) + 13 O2(g) = 8 SiO2 + 10 H2O
Ca(NO3)2 + K2CO3 = CaCO3 + K2(NO3)2 =>
Ca(NO3)2 + K2CO3 = CaCO3 + K2(NO3)2
C6H8N2 + NaNO2 + CH3COOH = C6H5N3 + CH3COONa + H2O =>
C6H8N2 + NaNO2 + CH3COOH = C6H5N3 + CH3COONa + 2 H2O
Mg(No3)2 + Na2CrO4 = MgCrO4 + NaNo3 =>
Mg(No3)2 + Na2CrO4 = MgCrO4 + 2 NaNo3
Fe(OH)2 + CrO4{2-} + H{+} + H2O = Fe(OH)3 + Cr(OH)4{-} =>
3 Fe(OH)2 + CrO4{2-} + H{+} + 3 H2O = 3 Fe(OH)3 + Cr(OH)4{-}
KCl + KClO3 + HBr = Cl2 + KBr + H2O =>
5 KCl + KClO3 + 6 HBr = 3 Cl2 + 6 KBr + 3 H2O
Pb(ClO4)2(aq) + CaS(aq) = PbS + Ca(ClO4)2 =>
Pb(ClO4)2(aq) + CaS(aq) = PbS + Ca(ClO4)2
P4 + O2 = P2O5 =>
P4 + 5 O2 = 2 P2O5
Cl2 + KOH = KCl + KClO2 + H2O =>
2 Cl2 + 4 KOH = 3 KCl + KClO2 + 2 H2O
P4O10 + H2O = H3PO4 =>
P4O10 + 6 H2O = 4 H3PO4
Cr(OH)3 + H{+} = Cr{+3} + H2O =>
Cr(OH)3 + 3 H{+} = Cr{+3} + 3 H2O
Au + Cl2 + HCl = HAuCl4 =>
2 Au + 3 Cl2 + 2 HCl = 2 HAuCl4
Al(OH)3 + H2CO3 = Al2(CO3)3 + H2O =>
2 Al(OH)3 + 3 H2CO3 = Al2(CO3)3 + 6 H2O
P4 + O2 = P2O3 =>
P4 + 3 O2 = 2 P2O3
K3PO4 + Co(OH)2 = KOH + Co3(PO4)2 =>
2 K3PO4 + 3 Co(OH)2 = 6 KOH + Co3(PO4)2
LiOH + NH4SCN = LiSCN + NH4OH =>
LiOH + NH4SCN = LiSCN + NH4OH
Cl2 + C + H2O = CO2 + H{+} + Cl{-} =>
2 Cl2 + C + 2 H2O = CO2 + 4 H{+} + 4 Cl{-}
Li2O + Al2O3 + SiO2 = LiAlSiO4 =>
Li2O + Al2O3 + 2 SiO2 = 2 LiAlSiO4
Na + H2 + O2 = NaOH =>
2 Na + H2 + O2 = 2 NaOH
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