Equations balanced on the previous day | Equations balanced on the next day |
3 Fe2O4 + 8 Al = 6 Fe + 4 Al2O3
Ca4 + H2O = Ca(OH) + H2 =>
Ca4 + 4 H2O = 4 Ca(OH) + 2 H2
Cr{3+} + H2O2 = Cr{2+} + O2 + H{+} =>
2 Cr{3+} + H2O2 = 2 Cr{2+} + O2 + 2 H{+}
HNH2 + CH3COOH = CH3CONH2 + HOH =>
HNH2 + CH3COOH = CH3CONH2 + HOH
硫 + 臭氧 = 二氧化硫 =>
3 S + 2 O3 = 3 SO2
Ce(NO3)3 + La(NO3)3 + Pr(NO3)3 + Sm(NO3)3 + Y(NO3)3 = (CeLaPrSmY)O + N2 + O2 =>
2 Ce(NO3)3 + 2 La(NO3)3 + 2 Pr(NO3)3 + 2 Sm(NO3)3 + 2 Y(NO3)3 = 2(CeLaPrSmY)O + 15 N2 + 44 O2
Al2S3 = Al2 + S3 =>
Al2S3 = Al2 + S3
Al2S3 = Al2 + S3 =>
Al2S3 = Al2 + S3
BaCl2 + H2SO4 = BaSO4 + HCl =>
BaCl2 + H2SO4 = BaSO4 + 2 HCl
CH3CH2CH2OK + H2O = CH3CH2CH2OH + KOH =>
CH3CH2CH2OK + H2O = CH3CH2CH2OH + KOH
(NH4)2S + BaCl2 = NH4Cl + BaS =>
(NH4)2S + BaCl2 = 2 NH4Cl + BaS
C2H5C2H5 + O2 = CO2 + H2O =>
2 C2H5C2H5 + 13 O2 = 8 CO2 + 10 H2O
CuSO4*5H2O + NH4OH = (Cu(NH3)4(H2O)2)SO4H2O + H2O =>
CuSO4*5H2O + 4 NH4OH = (Cu(NH3)4(H2O)2)SO4H2O + 6 H2O
P4(s) + KOH(aq) + H2O(l) = PH3(aq) + KH2PO2(aq) =>
P4(s) + 3 KOH(aq) + 3 H2O(l) = PH3(aq) + 3 KH2PO2(aq)
FeSe + AgF = FeF2 + Ag2Se =>
FeSe + 2 AgF = FeF2 + Ag2Se
Cu{2+} + [Fe(CN)6]{4-} = Cu2Fe(CN)6 =>
2 Cu{2+} + [Fe(CN)6]{4-} = Cu2Fe(CN)6
{-}63 = (){-}60 =>
{-}63 = (){-}60
Al3 + S2 = Al3S2 =>
Al3 + S2 = Al3S2
K(NO3)(Ac) + AgBr(s) + NH3(Ac) = K(NH3)(Ac) + Ag(NO3)(Ac) + Br2 =>
2 K(NO3)(Ac) + 2 AgBr(s) + 2 NH3(Ac) = 2 K(NH3)(Ac) + 2 Ag(NO3)(Ac) + Br2
HNO3 + C2 = H2CO3 + NO2 + H2O =>
8 HNO3 + C2 = 2 H2CO3 + 8 NO2 + 2 H2O
(NH4)HCO3(s) = NH3(g) + CO2(g) + H2O(g) =>
(NH4)HCO3(s) = NH3(g) + CO2(g) + H2O(g)
Al(OH) + H2SO4 = Al(H2SO4) + OH =>
Al(OH) + H2SO4 = Al(H2SO4) + OH
NH4Fe(SO4)2 + KCNS = K3[Fe(CNS)6] + K2SO4 + (NH4)2SO4 =>
2 NH4Fe(SO4)2 + 12 KCNS = 2 K3[Fe(CNS)6] + 3 K2SO4 + (NH4)2SO4
(FeSO4)(aq) + Cu(s) = Fe(s) + CuSO4(aq) =>
(FeSO4)(aq) + Cu(s) = Fe(s) + CuSO4(aq)
C6H12O + H2O = C6H10O4 + H =>
C6H12O + 3 H2O = C6H10O4 + 8 H
CuCl2 + Zn = ZnCl + Cu2 =>
2 CuCl2 + 4 Zn = 4 ZnCl + Cu2
H2(g) + C(s) + N2(g) = HCN =>
H2(g) + 2 C(s) + N2(g) = 2 HCN
bromine + hydrogensulfide = hydrogenbromide + sulfur =>
Br2 + H2S = 2 HBr + S
Al{+3} + VO2 = VO{2+} + Al2O3 =>
2 Al{+3} + 3 VO2 = 3 VO{2+} + Al2O3
AgNO3 + CaC4H6O4 = AgC2H3O2 + Ca(NO3)2 =>
2 AgNO3 + CaC4H6O4 = 2 AgC2H3O2 + Ca(NO3)2
HC4H8O2(l) + O2(g) = CO2(g) + H2O(l) =>
4 HC4H8O2(l) + 21 O2(g) = 16 CO2(g) + 18 H2O(l)
HNo3 + Ni(OH)2 = H2O + Ni(No3)2 =>
2 HNo3 + Ni(OH)2 = 2 H2O + Ni(No3)2
KClO3 + FeSO4 + H2SO4 = KCl + Fe(SO4)3 + H2O2 =>
4 KClO3 + 3 FeSO4 + 6 H2SO4 = 4 KCl + 3 Fe(SO4)3 + 6 H2O2
FeCl3 + Na(OH2) = Fe(OH2) + NaCl3 =>
FeCl3 + Na(OH2) = Fe(OH2) + NaCl3
Be2CO3(OH)2 + CH3COOH = Be4O(CH3COOH)6 + H2O + CO2 =>
8 Be2CO3(OH)2 + 27 CH3COOH = 4 Be4O(CH3COOH)6 + 14 H2O + 14 CO2
ethane + O2 = water + carbondioxide =>
2 C2H6 + 7 O2 = 6 H2O + 4 CO2
Na3PO4 + AlCl3 = AlPO4 + ClNa =>
Na3PO4 + AlCl3 = AlPO4 + 3 ClNa
Al2Fe + O2 = Fe3O4 + Al =>
3 Al2Fe + 2 O2 = Fe3O4 + 6 Al
PbCrO4 + HNO3 = Pb(NO3)2 + H2CrO4 =>
PbCrO4 + 2 HNO3 = Pb(NO3)2 + H2CrO4
SrCl2 + NaOH = SrO + NaCl + H2O =>
SrCl2 + 2 NaOH = SrO + 2 NaCl + H2O
SnK + I + HCl = SnCl2 + KI + H =>
SnK + I + 2 HCl = SnCl2 + KI + 2 H
Cu(NO3)2*3H2O + Cr(NO3)*9H2O + C2H5N = CuCr2O4 + N2 + CO2 + H2O =>
13 Cu(NO3)2*3H2O + 26 Cr(NO3)*9H2O + 16 C2H5N = 13 CuCr2O4 + 34 N2 + 32 CO2 + 313 H2O
KOH(aq) + Ba2Cl(aq) = Ba2(OH)(aq) + KCl(aq) =>
KOH(aq) + Ba2Cl(aq) = Ba2(OH)(aq) + KCl(aq)
C2H4O + O2 = CO25 + H2O =>
2 C2H4O + 51 O2 = 4 CO25 + 4 H2O
KOH + Ga(ClO3)3 = KClO3 + Ga(OH)3 =>
3 KOH + Ga(ClO3)3 = 3 KClO3 + Ga(OH)3
H2CO3O2 = H2O2CO3 =>
H2CO3O2 = H2O2CO3
HgOH + H2SO3 = Hg2SO3 + H2O =>
2 HgOH + H2SO3 = Hg2SO3 + 2 H2O
Al + H3Po4 = AlPo4 + H3 =>
Al + H3Po4 = AlPo4 + H3
H2(g) + C(s) + N2(g) = HCN(g) =>
H2(g) + 2 C(s) + N2(g) = 2 HCN(g)
Na3CrO4 + H2SO4 = Cr2(SO4)3 + Na2Cr2O7 + H2O + Na2SO4 =>
6 Na3CrO4 + 10 H2SO4 = Cr2(SO4)3 + 2 Na2Cr2O7 + 10 H2O + 7 Na2SO4
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