Equations balanced on the previous day | Equations balanced on the next day |
(a)ZnO(s) + 2 HCl(aq) = ZnCl2(aq) + H2O(l)
[Cu(NH3)4]SO4 + H2S = CuS + (NH4)2SO4 + NH3 =>
[Cu(NH3)4]SO4 + H2S = CuS + (NH4)2SO4 + 2 NH3
CuN + NaSO = NaN + CuSO =>
CuN + NaSO = NaN + CuSO
KNO3 + Na3P = K3P + NaNO3 =>
3 KNO3 + Na3P = K3P + 3 NaNO3
C12H22O11 + HNO3 = N2 + CO2 + H2O =>
5 C12H22O11 + 48 HNO3 = 24 N2 + 60 CO2 + 79 H2O
NH4Cl + BaO2H2 = NH3 + BaCl2 + H2O =>
2 NH4Cl + BaO2H2 = 2 NH3 + BaCl2 + 2 H2O
H2CO3 + OH{-} = HCO3{-} + H2O =>
H2CO3 + OH{-} = HCO3{-} + H2O
CaCO3 + HC2H3O2 = H2O + CO2 + Ca(C2H3O2) =>
8 CaCO3 + 9 HC2H3O2 = 6 H2O + 10 CO2 + 8 Ca(C2H3O2)
SeCl2 + O2 = SeO2 + Cl2 =>
SeCl2 + O2 = SeO2 + Cl2
K2Cr2O7 + HF + H2SO4 = Cr2(SO4)3 + K2SO4 + F2 + H2O =>
K2Cr2O7 + 6 HF + 4 H2SO4 = Cr2(SO4)3 + K2SO4 + 3 F2 + 7 H2O
AuCl3 + Cs2CO3 = Au2(CO3)3 + CsCl =>
2 AuCl3 + 3 Cs2CO3 = Au2(CO3)3 + 6 CsCl
Fe + Na{+} = Fe{2+} + Na =>
Fe + 2 Na{+} = Fe{2+} + 2 Na
CaC2O4 + KMnO4 + H2SO4 = CaSO4 + K2SO4 + MnSO4 + H2O + CO2 =>
5 CaC2O4 + 2 KMnO4 + 8 H2SO4 = 5 CaSO4 + K2SO4 + 2 MnSO4 + 8 H2O + 10 CO2
H3PO4(aq) + CsOH(aq) = CsH2PO4 + H2O =>
H3PO4(aq) + CsOH(aq) = CsH2PO4 + H2O
AuCl4{-} + Fe = Au + Cl{-} + Fe{3+} =>
AuCl4{-} + Fe = Au + 4 Cl{-} + Fe{3+}
Na2CO3 = Na + CO3 =>
Na2CO3 = 2 Na + CO3
KCN + Au = KAuCN =>
KCN + Au = KAuCN
CH2CHCN + O2 = CO2 + H2O + N2 =>
4 CH2CHCN + 15 O2 = 12 CO2 + 6 H2O + 2 N2
ZnO + H(NO3) = Zn(NO3)2 + H2O =>
ZnO + 2 H(NO3) = Zn(NO3)2 + H2O
SO4 = SO3 + O2 =>
2 SO4 = 2 SO3 + O2
K2Cr2O7 + Fe(SO4) + H2(SO4) = Cr2(SO4)3 + K2SO4 + Fe(SO4)3 + H2O =>
2 K2Cr2O7 + 3 Fe(SO4) + 14 H2(SO4) = 2 Cr2(SO4)3 + 2 K2SO4 + 3 Fe(SO4)3 + 14 H2O
Fe{-2}CO{-3} + CO = Fe + CO{-2} =>
Fe{-2}CO{-3} + CO = Fe + CO{-2}
Na2TiO3 + H2SO4 = TiOSO4 + Na2SO4 + H2O =>
Na2TiO3 + 2 H2SO4 = TiOSO4 + Na2SO4 + 2 H2O
Ag + NO3{-} + H2O = NO2 + Ag{+} + OH{-} =>
Ag + NO3{-} + H2O = NO2 + Ag{+} + 2 OH{-}
VO(OH)2 + NaOH = Na2V4O9 + H2O =>
4 VO(OH)2 + 2 NaOH = Na2V4O9 + 5 H2O
ZnI2 + Mg = MgI2 + Zn =>
ZnI2 + Mg = MgI2 + Zn
CH3O2H + NaOH = NaCH3CO2 + H2O =>
2 CH3O2H + NaOH = NaCH3CO2 + 3 H2O
Cu + HC1 = CuC12 + H2 =>
Cu + 12 HC1 = CuC12 + 6 H2
Al(NO3)3 + C2N4H6O2 = Al2O3 + H2O + N2 + CO2 =>
2 Al(NO3)3 + 3 C2N4H6O2 = Al2O3 + 9 H2O + 9 N2 + 6 CO2
FeCl2 + NaBr = NaCl + FeBr2 =>
FeCl2 + 2 NaBr = 2 NaCl + FeBr2
H2SO4 + BaCl2(aq) = BaSO4(s) + HCl =>
H2SO4 + BaCl2(aq) = BaSO4(s) + 2 HCl
KClO3 + Na2O = NaClO3 + K2O =>
2 KClO3 + Na2O = 2 NaClO3 + K2O
CH3NH2 + CuO = N2 + Cu + H2O + CO2 =>
2 CH3NH2 + 9 CuO = N2 + 9 Cu + 5 H2O + 2 CO2
CH3CH2OH(l) + O2 = CH3CHO(aq) + H2O(l) =>
2 CH3CH2OH(l) + O2 = 2 CH3CHO(aq) + 2 H2O(l)
S12H22O11 + O2 = SO2 + H2O =>
S12H22O11 + 12 O2 = 12 SO2 + 11 H2O
KBr + H2O = KBrH2O =>
KBr + H2O = KBrH2O
(NH2)CO(NH)CO(NH2) + N2H5NO3 = [(NH2)(C2N3H)(NH2)]HNO3 + H2O =>
(NH2)CO(NH)CO(NH2) + N2H5NO3 = [(NH2)(C2N3H)(NH2)]HNO3 + 2 H2O
HgNO3 + NiSO4 = Hg2SO4 + Ni(NO3)2 =>
2 HgNO3 + NiSO4 = Hg2SO4 + Ni(NO3)2
Na2SiO3*5H2O + C6H8O7 = Na3C6H5O7 + H4O4Si + H2O =>
3 Na2SiO3*5H2O + 2 C6H8O7 = 2 Na3C6H5O7 + 3 H4O4Si + 12 H2O
H2C6H6O2 + OH = C6H6O2 + H2O =>
H2C6H6O2 + 2 OH = C6H6O2 + 2 H2O
(NH4)2MoO4 + NH3 + H2O2 = (NH4)2MoO6 + NH4OH =>
(NH4)2MoO4 + 2 NH3 + 2 H2O2 = (NH4)2MoO6 + 2 NH4OH
Zn(OH)2 + Cl2 = ZnCl + ZnClO3 + H2O =>
6 Zn(OH)2 + 3 Cl2 = 4 ZnCl + 2 ZnClO3 + 6 H2O
CH3COCH3 + Br2 = CH3COCH2 + HBr =>
2 CH3COCH3 + Br2 = 2 CH3COCH2 + 2 HBr
NaOH + HI = NaH + HIO =>
NaOH + HI = NaH + HIO
Fe2O3 + K2S2O7 = Fe2(SO4)3 + K2SO4 =>
Fe2O3 + 3 K2S2O7 = Fe2(SO4)3 + 3 K2SO4
Mo2(SO4)3 + KMnO4 + H2O = H3MoO4 + K2SO4 + MnSO4 + H2SO4 =>
5 Mo2(SO4)3 + 4 KMnO4 + 24 H2O = 10 H3MoO4 + 2 K2SO4 + 4 MnSO4 + 9 H2SO4
Ni(NO3)2 + Co(CH3COO)2 = NiCo2O4 + N + H + C + O =>
Ni(NO3)2 + 2 Co(CH3COO)2 = NiCo2O4 + 2 N + 12 H + 8 C + 10 O
Cu(NO3)2 + C2H5NO2 = H2O + CO2 + N2 + Cu =>
3 Cu(NO3)2 + 4 C2H5NO2 = 10 H2O + 8 CO2 + 5 N2 + 3 Cu
SO2 + CH4 = H2O + CO2 + H2S =>
4 SO2 + 3 CH4 = 2 H2O + 3 CO2 + 4 H2S
RCOOH + NH4OH = RCOONH4 + H2O =>
RCOOH + NH4OH = RCOONH4 + H2O
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