Equations balanced on the previous day | Equations balanced on the next day |
2 K2CrO7 + 18 HI + 5 H2SO4 = 2 K2SO4 + Cr2(SO4)3 + 9 I2 + 14 H2O
Fe(s) + O2 + H2O = Fe(OH)2 =>
2 Fe(s) + O2 + 2 H2O = 2 Fe(OH)2
FeSO4 + HNO3 = FeO + NO2 + O2 + H2SO4 =>
2 FeSO4 + 4 HNO3 = 2 FeO + 4 NO2 + O2 + 2 H2SO4
KMnO4 + NaHSO3 + NaOH = H2O + K2SO4 + MnO2 + Na2SO4 =>
2 KMnO4 + 3 NaHSO3 + NaOH = 2 H2O + K2SO4 + 2 MnO2 + 2 Na2SO4
K2Cr2O7 + SnSO4 + H2SO4 = Sn(SO4)4 + Cr2(SO4)3 + K2SO4 + H2O =>
K2Cr2O7 + SnSO4 + 7 H2SO4 = Sn(SO4)4 + Cr2(SO4)3 + K2SO4 + 7 H2O
Sn + Cr(NO3)3 = Sn(NO3)2 + Cr =>
3 Sn + 2 Cr(NO3)3 = 3 Sn(NO3)2 + 2 Cr
KMnO4 + CH2CHCH2 + H2O = CH2(OH)CH2OH + KOH + MnO2 =>
4 KMnO4 + 6 CH2CHCH2 + 14 H2O = 9 CH2(OH)CH2OH + 4 KOH + 4 MnO2
SnSO4 + KMnO4 + H2SO4 = Sn(SO4)2 + K2SO4 + MnSO4 + H2O =>
5 SnSO4 + 2 KMnO4 + 8 H2SO4 = 5 Sn(SO4)2 + K2SO4 + 2 MnSO4 + 8 H2O
HCl(aq) + As2O3(s) + NaNO3 + H2O(l) = NO(g) + H3AsO4(aq) + NaCl(aq) =>
4 HCl(aq) + 3 As2O3(s) + 4 NaNO3 + 7 H2O(l) = 4 NO(g) + 6 H3AsO4(aq) + 4 NaCl(aq)
H2S + Na2Cr2O7 + H2SO4 = Cr2(SO4)3 + H2O + SNaHSO4 =>
9 H2S + 4 Na2Cr2O7 + 19 H2SO4 = 4 Cr2(SO4)3 + 24 H2O + 8 SNaHSO4
Zn + H2O = Zn(OH)2 + H2 =>
Zn + 2 H2O = Zn(OH)2 + H2
Ca(NO3)2 + Na(SO3)2 = Ca(SO3)2 + Na(NO3)2 =>
Ca(NO3)2 + Na(SO3)2 = Ca(SO3)2 + Na(NO3)2
H2 + SiCl2 + H2O = H8Si4O4 + HCl =>
4 H2 + 4 SiCl2 + 4 H2O = H8Si4O4 + 8 HCl
CH3OH = CH2O + H2 =>
CH3OH = CH2O + H2
Fe2O3 + CO = Fe + CO2 =>
Fe2O3 + 3 CO = 2 Fe + 3 CO2
Al + C = Al4C3 =>
4 Al + 3 C = Al4C3
H2SO4 + NaOH = Na2SO4 + H2O =>
H2SO4 + 2 NaOH = Na2SO4 + 2 H2O
K4Fe(CN)6 + H2SO4 + H2O = K2SO4 + FeSO4 + (NH4)2SO4 + CO =>
K4Fe(CN)6 + 6 H2SO4 + 6 H2O = 2 K2SO4 + FeSO4 + 3(NH4)2SO4 + 6 CO
K2[HgI4] + KBr = K2[KI4] + HgBr =>
K2[HgI4] + KBr = K2[KI4] + HgBr
Al{2}O{3} + CO = Al + CO{2} =>
Al{2}O{3} + CO = Al + CO{2}
Fe + NaF = Na + FeF =>
Fe + NaF = Na + FeF
S + H2O = H2SO3 + H =>
S + 3 H2O = H2SO3 + 4 H
IO3{-} + S{-2} + H{+} = I2 + S + H2O =>
2 IO3{-} + 5 S{-2} + 12 H{+} = I2 + 5 S + 6 H2O
SNS + (NH4)2S2 = SNS2 + (NH4)2S =>
SNS + (NH4)2S2 = SNS2 + (NH4)2S
FeS2 + O2 = Fe2O2 + S2O =>
2 FeS2 + 2 O2 = Fe2O2 + 2 S2O
NO2 + K2O + O2 = KNO3 =>
4 NO2 + 2 K2O + O2 = 4 KNO3
[Cr(NH2CONH2)6]3[Cr(CN)6]2 + K2Cr2O7 + H2SO4 = KNO3 + CO2 + Cr2(SO4)3 + K2SO4 + H2O =>
2[Cr(NH2CONH2)6]3[Cr(CN)6]2 + 137 K2Cr2O7 + 515 H2SO4 = 96 KNO3 + 60 CO2 + 142 Cr2(SO4)3 + 89 K2SO4 + 587 H2O
NaOH + H2CO3 = Na2CO3 + H2O =>
2 NaOH + H2CO3 = Na2CO3 + 2 H2O
CH3CONH2 + O2 = CO2 + H2O + N2 =>
4 CH3CONH2 + 11 O2 = 8 CO2 + 10 H2O + 2 N2
CaCO3 + Al2(SO4)3 + H2O = Al(OH)3 + CaSO4 + CO2 =>
3 CaCO3 + Al2(SO4)3 + 3 H2O = 2 Al(OH)3 + 3 CaSO4 + 3 CO2
Na[Au(CN)2] + Zn = Na2[Zn(CN)4] + Au =>
2 Na[Au(CN)2] + Zn = Na2[Zn(CN)4] + 2 Au
PbO2 = PbO + O2 =>
2 PbO2 = 2 PbO + O2
Fe3O4(s) + H2(g) = Fe(s) + H2O(l) =>
Fe3O4(s) + 4 H2(g) = 3 Fe(s) + 4 H2O(l)
K2CO3 + Co(NO3)2 = CoCO3 + K2(NO3)2 =>
K2CO3 + Co(NO3)2 = CoCO3 + K2(NO3)2
K2Cr2O7 + HBr = KBr + H2 + Cr2O7 =>
K2Cr2O7 + 2 HBr = 2 KBr + H2 + Cr2O7
Mg3N2 = Mg + N2 =>
Mg3N2 = 3 Mg + N2
Fe + H2SO4 + H2O = FeSO4H2O + H2 =>
Fe + H2SO4 + H2O = FeSO4H2O + H2
Zn + S = ZnS =>
Zn + S = ZnS
C3H4 + NaH = NaC3H3 + H2 =>
C3H4 + NaH = NaC3H3 + H2
Al2O3 + S = Al + SO2 =>
2 Al2O3 + 3 S = 4 Al + 3 SO2
KOH + HClO4 = KClO4 + HOH =>
KOH + HClO4 = KClO4 + HOH
KClO3 = KCl + O2 =>
2 KClO3 = 2 KCl + 3 O2
FeSO4 + K3Fe(CN)6 = Fe(CN)6 + K3FeSO4 =>
FeSO4 + K3Fe(CN)6 = Fe(CN)6 + K3FeSO4
NaF + CaCl2 = CaF2 + NaCl =>
2 NaF + CaCl2 = CaF2 + 2 NaCl
Mg(s) + H2SO4(l) = H2(g) + MgSO4(s) =>
Mg(s) + H2SO4(l) = H2(g) + MgSO4(s)
Al2(SO4)3 + NaOH = Na2SO4 + AlOHSO4 =>
Al2(SO4)3 + 2 NaOH = Na2SO4 + 2 AlOHSO4
C52H12 + O2 = CO2 + H2O =>
C52H12 + 55 O2 = 52 CO2 + 6 H2O
KI + H2O = H + I + KOH =>
KI + H2O = H + I + KOH
Fe + HNO3 = NO + Fe(NO3)3 + H2O =>
Fe + 4 HNO3 = NO + Fe(NO3)3 + 2 H2O
C7H16 + O2 = CO2 + H2O =>
C7H16 + 11 O2 = 7 CO2 + 8 H2O
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