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2 Cr(s) + 3 Fe(No3)2(aq) = 3 Fe(s) + 2 Cr(No3)3(aq)
P5O10 = P + O2 =>
P5O10 = 5 P + 5 O2
CaCo3 + NaOH = Ca(OH)2 + Na2Co3 =>
CaCo3 + 2 NaOH = Ca(OH)2 + Na2Co3
XY = X2Y2 =>
2 XY = X2Y2
Zn(OH)2 + NaOH = Na2ZnO2 + H2O =>
Zn(OH)2 + 2 NaOH = Na2ZnO2 + 2 H2O
(COO)2{2-} + MnO4{-} + H{+} = Mn{2+} + CO2 + H2O =>
5(COO)2{2-} + 2 MnO4{-} + 16 H{+} = 2 Mn{2+} + 10 CO2 + 8 H2O
KOH + H3PO4 = K3PO4 + H2O =>
3 KOH + H3PO4 = K3PO4 + 3 H2O
CH3CH2CHCHCH2CH3 + KMnO4 + H2SO4 = K2SO4 + MnSO4 + CH3CH2COOH + H2O =>
5 CH3CH2CHCHCH2CH3 + 8 KMnO4 + 12 H2SO4 = 4 K2SO4 + 8 MnSO4 + 10 CH3CH2COOH + 12 H2O
Ni2S3 + FeSO3 = Ni2(SO3)3 + FeS =>
Ni2S3 + 3 FeSO3 = Ni2(SO3)3 + 3 FeS
CaCO3 + Fe(NO3)2 = Ca(NO3)2 + FeCO3 =>
CaCO3 + Fe(NO3)2 = Ca(NO3)2 + FeCO3
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
NaN3 + H2SeO4 = H2N3 + NaSeO4 =>
NaN3 + H2SeO4 = H2N3 + NaSeO4
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
NH3 + ZnO = Zn + H2O + N2 =>
2 NH3 + 3 ZnO = 3 Zn + 3 H2O + N2
CH3CONH2 + NaOH + NaOBr = CH3NH2 + NaBr + H2O + Na2CO3 =>
CH3CONH2 + 2 NaOH + NaOBr = CH3NH2 + NaBr + H2O + Na2CO3
CrO3 + NaOH = Cr(OH) + NaO3 =>
CrO3 + NaOH = Cr(OH) + NaO3
F + HCl = FCl2 + H =>
F + 2 HCl = FCl2 + 2 H
CH3CONH2 + HNO2 = CH3COOH + N2 + H2O =>
CH3CONH2 + HNO2 = CH3COOH + N2 + H2O
Ca(OH)2 + NH4Cl = CaCl2 + NH3 + H2O =>
Ca(OH)2 + 2 NH4Cl = CaCl2 + 2 NH3 + 2 H2O
HCl + NaOH = H2O + NaCl(aq) =>
HCl + NaOH = H2O + NaCl(aq)
SO2(g) + Br2(l) + H2O(l) = Br{-} + H2SO4(aq) + H{+}(aq) =>
SO2(g) + Br2(l) + 2 H2O(l) = 2 Br{-} + H2SO4(aq) + 2 H{+}(aq)
MnS + KMnO4 + H2SO4 = MnSO4 + KHSO4 + H2O =>
5 MnS + 8 KMnO4 + 16 H2SO4 = 13 MnSO4 + 8 KHSO4 + 12 H2O
Ba(NO3)2 + FeCl3 = Ba(Cl3)2 + FeNO3 =>
Ba(NO3)2 + 2 FeCl3 = Ba(Cl3)2 + 2 FeNO3
Ag + O2 = Ag2O = =>
4 Ag + O2 = 2 Ag2O
UO2SO4 + Na2CO3 = Na6[UO2(CO3)4] + Na2SO4 =>
UO2SO4 + 4 Na2CO3 = Na6[UO2(CO3)4] + Na2SO4
CH3CONH2 + HNO2 = CH3COOH + N2 + H2O =>
CH3CONH2 + HNO2 = CH3COOH + N2 + H2O
Na2CO3 + HNO3 = CO2 + H2O + NaNO3 =>
Na2CO3 + 2 HNO3 = CO2 + H2O + 2 NaNO3
Cu + NH4OH = CuOH + NH4 =>
Cu + NH4OH = CuOH + NH4
H2CO3 = H2O + CO2 =>
H2CO3 = H2O + CO2
C4H10O + CH3COOH = C7H14O2 + H2O =>
5 C4H10O + 4 CH3COOH = 4 C7H14O2 + 5 H2O
Ca(NO3)2 + HCl = CaCl2 + HNO3 =>
Ca(NO3)2 + 2 HCl = CaCl2 + 2 HNO3
Cu3(PO4)2 + Na2SO4 = Na3PO4 + CuSO4 =>
Cu3(PO4)2 + 3 Na2SO4 = 2 Na3PO4 + 3 CuSO4
MnC2 + KOH = Mn(OH)2 + KC =>
MnC2 + 2 KOH = Mn(OH)2 + 2 KC
Mg + Cl2 = MgCl2 =>
Mg + Cl2 = MgCl2
BeO + K = Be + K2O =>
BeO + 2 K = Be + K2O
Pb(NO3)2 + LiI = PbI2 + LiNO3 =>
Pb(NO3)2 + 2 LiI = PbI2 + 2 LiNO3
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
KClO3 = KCl + O2 =>
2 KClO3 = 2 KCl + 3 O2
CH3CHCH2 + KMnO4 + KOH = CH3COOK + K2MnO4 + H2O =>
2 CH3CHCH2 + 12 KMnO4 + 15 KOH = 3 CH3COOK + 12 K2MnO4 + 9 H2O
HCOON = COON + H =>
HCOON = COON + H
Li2S + Cl2 = Li2Cl + S =>
2 Li2S + Cl2 = 2 Li2Cl + 2 S
Zn(g) + H2(g) = ZnH2(g) =>
Zn(g) + H2(g) = ZnH2(g)
Al + O2 = Al2O3 =>
4 Al + 3 O2 = 2 Al2O3
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
F2 = F =>
F2 = 2 F
Al + H2SO4 = Al2(SO4)3 + H2 =>
2 Al + 3 H2SO4 = Al2(SO4)3 + 3 H2
FeCl2 + K3[Fe(Cn)6] = KFe[Fe(Cn)6] + KCl =>
FeCl2 + K3[Fe(Cn)6] = KFe[Fe(Cn)6] + 2 KCl
(NH4)2CO3 = NH3 + H2O + CO2 =>
(NH4)2CO3 = 2 NH3 + H2O + CO2
Hf + N2 = Hf3N4 =>
3 Hf + 2 N2 = Hf3N4
Cu + NH4OH = Cu(NH3)4 + H2O =>
Cu + 4 NH4OH = Cu(NH3)4 + 4 H2O
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