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ZnO + C = Zn + CO
Na2SO3 + H2S + HCI = S + NaCI + H2O =>
Na2SO3 + 2 H2S + 2 HCI = 3 S + 2 NaCI + 3 H2O
CaCl2 + HI = CaI2 + HCl =>
CaCl2 + 2 HI = CaI2 + 2 HCl
Al + HCl = AlCl3 + H2 =>
2 Al + 6 HCl = 2 AlCl3 + 3 H2
BaCl2 + NH4Br = BaBr2 + NH4Cl =>
BaCl2 + 2 NH4Br = BaBr2 + 2 NH4Cl
CH3CCNa + H2O = CH3CH2CONa =>
CH3CCNa + H2O = CH3CH2CONa
BeS + Fe = FeS + Be =>
BeS + Fe = FeS + Be
H2SO4 + Mg(No3)2 = MgSO4 + HNo3 =>
H2SO4 + Mg(No3)2 = MgSO4 + 2 HNo3
Na + O2 = Na2O =>
4 Na + O2 = 2 Na2O
CH3CHICH3 + HI = CH3CI2CH3 + H2 =>
CH3CHICH3 + HI = CH3CI2CH3 + H2
C + S8 = CS2 =>
4 C + S8 = 4 CS2
Cr2O7 + C2O = Cr3 + CO2 =>
3 Cr2O7 + 7 C2O = 2 Cr3 + 14 CO2
B2Br6 + HNO3 = B(NO3)3 + HBr =>
B2Br6 + 6 HNO3 = 2 B(NO3)3 + 6 HBr
Al2(SO4)3(aq) + Ca(OH)2(aq) = CaSO4(aq) + Al(OH)3(s) =>
Al2(SO4)3(aq) + 3 Ca(OH)2(aq) = 3 CaSO4(aq) + 2 Al(OH)3(s)
C + H2SO4 = CO2 + SO2 + H2O =>
C + 2 H2SO4 = CO2 + 2 SO2 + 2 H2O
MnO4{-} + HPO3{2-} + H{+} = Mn{2+} + H2PO4{-} + H2O =>
2 MnO4{-} + 5 HPO3{2-} + 11 H{+} = 2 Mn{2+} + 5 H2PO4{-} + 3 H2O
Ti + MnO = Mn + TiO2 =>
Ti + 2 MnO = 2 Mn + TiO2
Al2S3 + KOH = Al2OH + KS3 =>
Al2S3 + KOH = Al2OH + KS3
UO2N2O66H2O = UO2 + NO2 + O2 + H2O =>
UO2N2O66H2O = UO2 + 2 NO2 + 31 O2 + H2O
Ba(NO3)2 + Fe2 + (SO4)3 = BaSO4 + Fe(NO3)3 =>
3 Ba(NO3)2 + Fe2 + (SO4)3 = 3 BaSO4 + 2 Fe(NO3)3
MoO2 + NaOH = Na2MoO3 + H2O =>
MoO2 + 2 NaOH = Na2MoO3 + H2O
Fe + H3PO4 = H3FePO4 =>
Fe + H3PO4 = H3FePO4
Al{3+} + NH3 + H2O = Al(OH)3 + NH4{+} =>
Al{3+} + 3 NH3 + 3 H2O = Al(OH)3 + 3 NH4{+}
FeCO3 + O2 = Fe2O3 + CO2 =>
4 FeCO3 + O2 = 2 Fe2O3 + 4 CO2
C7H8 + KMnO4 + KOH = C7H5O2K + K2MnO4 + H2O =>
C7H8 + 6 KMnO4 + 7 KOH = C7H5O2K + 6 K2MnO4 + 5 H2O
*S3 = S =>
*S3 = 3 S
Ag + Au{+3} = Ag{+} + Au =>
3 Ag + Au{+3} = 3 Ag{+} + Au
NaCN(aq) + H2O(l) = HCN(aq) + NaOH(aq) =>
NaCN(aq) + H2O(l) = HCN(aq) + NaOH(aq)
CH2ClCOOCHClCH3 + NaOH = CH3COONa + NaCl + H2O =>
CH2ClCOOCHClCH3 + 4 NaOH = 2 CH3COONa + 2 NaCl + 2 H2O
KIO3 = KI + O2 =>
2 KIO3 = 2 KI + 3 O2
C6H5NO2 + Fe + H2SO4 = C6H5NH2 + FeSO4 + H2O =>
C6H5NO2 + 3 Fe + 3 H2SO4 = C6H5NH2 + 3 FeSO4 + 2 H2O
K2CO3 + (NH4)SO4 = K2SO4 + (NH4)CO3 =>
K2CO3 + (NH4)SO4 = K2SO4 + (NH4)CO3
K2ZnO2 + HNO3 = Zn(NO3)2 + H2O + KNO3 =>
K2ZnO2 + 4 HNO3 = Zn(NO3)2 + 2 H2O + 2 KNO3
MnCl3 + K3PO4 = MnPO4 + KCl =>
MnCl3 + K3PO4 = MnPO4 + 3 KCl
SnS + HCl = SnCl2 + H2S =>
SnS + 2 HCl = SnCl2 + H2S
Zn + C + H2O = Zn(OH)2 + CH4 =>
2 Zn + C + 4 H2O = 2 Zn(OH)2 + CH4
MgCl2 + Mg3(PO4)2 = Mg4 + Cl2(PO4)2 =>
MgCl2 + Mg3(PO4)2 = Mg4 + Cl2(PO4)2
(FeOH)2SO4 + H2SO4 = FeSO4 + H2O =>
(FeOH)2SO4 + H2SO4 = 2 FeSO4 + 2 H2O
K + O = K2O =>
2 K + O = K2O
K2Cr2O7 + H2SO4 = K2SO4 + Cr2(SO)3 + H2O + O2 =>
K2Cr2O7 + 4 H2SO4 = K2SO4 + Cr2(SO)3 + 4 H2O + 6 O2
Co(NO3)2 + Ca(OH)2 = Co(OH)NO3 + Ca(OH)NO3 =>
Co(NO3)2 + Ca(OH)2 = Co(OH)NO3 + Ca(OH)NO3
(a)Cl2(g) + KI(aq) = I2(s) + KCl(aq) =>
(a)Cl2(g) + 2 KI(aq) = I2(s) + 2 KCl(aq)
MgS + O2 = Mg + SO2 =>
MgS + O2 = Mg + SO2
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
Na3PO4 + AgCl2 = Ag3PO4 + NaCl2 =>
Na3PO4 + 3 AgCl2 = Ag3PO4 + 3 NaCl2
CH3CH(CH3)CH(CH3)CH3 = C6H5CH + H2 =>
7 CH3CH(CH3)CH(CH3)CH3 = 6 C6H5CH + 31 H2
NH4IO3 + NO3Ba = NH4Ba + NO3IO3 =>
NH4IO3 + NO3Ba = NH4Ba + NO3IO3
V2O5 + CO = V + CO2 =>
V2O5 + 5 CO = 2 V + 5 CO2
H2S04 + BaCl2 = BaS04 + HCl =>
H2S04 + BaCl2 = BaS04 + 2 HCl
HCl + Mn(OH)2 = MnCl2 + H2O =>
2 HCl + Mn(OH)2 = MnCl2 + 2 H2O
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