| Equations balanced on the previous day | Equations balanced on the next day |
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4 Fe + 3 O2 = 2 Fe2O3
H2S + HNO3 = NO2 + H2O + S =>
H2S + 2 HNO3 = 2 NO2 + 2 H2O + S
P2H4 = PH3 + P4H2 =>
5 P2H4 = 6 PH3 + P4H2
Pb(NO3)2(aq) + KI(aq) = PbI2 + KNO3 =>
Pb(NO3)2(aq) + 2 KI(aq) = PbI2 + 2 KNO3
CuFeS2 + HNO3 = H2SO4 + NO2 + Fe(NO3)3 + H2O + Cu(NO3)2 =>
CuFeS2 + 22 HNO3 = 2 H2SO4 + 17 NO2 + Fe(NO3)3 + 9 H2O + Cu(NO3)2
C4H10 + O2� = CO2 + H2O =>
2 C4H10 + 13 O2� = 8 CO2 + 10 H2O
Pb(NO3)2(aq) + KI(aq) = PbI2(s) + KNO3(aq) =>
Pb(NO3)2(aq) + 2 KI(aq) = PbI2(s) + 2 KNO3(aq)
Pb(NO3)2 + KI = PbI2 + KNO3 =>
Pb(NO3)2 + 2 KI = PbI2 + 2 KNO3
Pb(NO3)2(aq) + KI(aq) = PbI2(aq) + KNO3(aq) =>
Pb(NO3)2(aq) + 2 KI(aq) = PbI2(aq) + 2 KNO3(aq)
Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2
AGNO3 + NAOH = AGOH + NANO3observations =>
AGNO3 + NAOH = AGOH + NANO3observations
SnCl2 + H2SO4 + HCl = SnCl4 + H2S + H2O =>
4 SnCl2 + H2SO4 + 8 HCl = 4 SnCl4 + H2S + 4 H2O
FeS2 + O2 + H20 = FeO3 + H2SO4 =>
10 FeS2 + 55 O2 + 2 H20 = 10 FeO3 + 20 H2SO4
FeS2 + O2 + H20 = FeO3 + H2SO4 =>
10 FeS2 + 55 O2 + 2 H20 = 10 FeO3 + 20 H2SO4
Al + HNO3 = Al(NO3)3 + NO + H2O =>
Al + 4 HNO3 = Al(NO3)3 + NO + 2 H2O
Na + O2 = Na2O =>
4 Na + O2 = 2 Na2O
Au + NO3{-} + H{+} + Cl{-} = AuCl4{-} + H2O + NO =>
Au + NO3{-} + 4 H{+} + 4 Cl{-} = AuCl4{-} + 2 H2O + NO
Fe3O4 + HNO3 = H2O + NO2 + Fe(NO3)3 =>
Fe3O4 + 10 HNO3 = 5 H2O + NO2 + 3 Fe(NO3)3
Na2Cr2O7 + FeSO4 + H2SO4 = Fe2(SO4)3 + Cr2(SO4)3 + NaHSO4 + H2O =>
Na2Cr2O7 + 6 FeSO4 + 8 H2SO4 = 3 Fe2(SO4)3 + Cr2(SO4)3 + 2 NaHSO4 + 7 H2O
H2O + N2O3 = HNO2 =>
H2O + N2O3 = 2 HNO2
KClO3� = KClO4 + KCl =>
4 KClO3� = 3 KClO4 + KCl
H2S + Cl2 = HCl + S =>
H2S + Cl2 = 2 HCl + S
Au + NO3{-} + H{+} + Cl{-} = AuCl4{-} + H2O + NO =>
Au + NO3{-} + 4 H{+} + 4 Cl{-} = AuCl4{-} + 2 H2O + NO
AgNO3 + Ni = Ni(NO3)2 + Ag =>
2 AgNO3 + Ni = Ni(NO3)2 + 2 Ag
CO + O2 = CO2 =>
2 CO + O2 = 2 CO2
HNO3 + I2 = HIO3 + NO2 + H2O =>
10 HNO3 + I2 = 2 HIO3 + 10 NO2 + 4 H2O
Na2Cr2O7 + FeSO4 + NaHSO4 = Fe2(SO4)3 + Cr2(SO4)3 + Na2SO4 + H2O =>
Na2Cr2O7 + 6 FeSO4 + 14 NaHSO4 = 3 Fe2(SO4)3 + Cr2(SO4)3 + 8 Na2SO4 + 7 H2O
Fe + H2O = Fe3O4 + H2 =>
3 Fe + 4 H2O = Fe3O4 + 4 H2
Mg(OH)2 + H3PO4 = Mg3(PO4)2 + H2O =>
3 Mg(OH)2 + 2 H3PO4 = Mg3(PO4)2 + 6 H2O
FeCl3 + H2S = FeCl2 + HCl + S =>
2 FeCl3 + H2S = 2 FeCl2 + 2 HCl + S
C2H5OH + PBr3� = C2H5Br + H3PO3 =>
3 C2H5OH + PBr3� = 3 C2H5Br + H3PO3
K(s) + B2O3(s) = K2O(s) + B(s) =>
6 K(s) + B2O3(s) = 3 K2O(s) + 2 B(s)
CO + O2 = CO2 =>
2 CO + O2 = 2 CO2
KOH + H2SO4 = K2SO4 + H2O =>
2 KOH + H2SO4 = K2SO4 + 2 H2O
Al(OH)3 + KOH = K(Al(OH)4) =>
Al(OH)3 + KOH = K(Al(OH)4)
Cl2 + NaOH = NaCl + NaClO3 + H2O =>
3 Cl2 + 6 NaOH = 5 NaCl + NaClO3 + 3 H2O
CuCl2 = Cu + Cl2 =>
CuCl2 = Cu + Cl2
C2H2 + KMnO4 + H2O = C2O4H2 + KOH + MnO2 =>
3 C2H2 + 8 KMnO4 + 4 H2O = 3 C2O4H2 + 8 KOH + 8 MnO2
MG + N2 = MGN2 =>
MG + N2 = MGN2
Bi2S3 + HCl = BiCl3 + H2S =>
Bi2S3 + 6 HCl = 2 BiCl3 + 3 H2S
KNO3 + AL + KOH + H20 = NH3 + KALO2 =>
10 KNO3 + 20 AL + 10 KOH + H20 = 10 NH3 + 20 KALO2
CACO3 + H2SO4 = CASO4 + H2O + CO2 =>
CACO3 + H2SO4 = CASO4 + H2O + CO2
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
C7H12O2 + O2� = CO2 + H2O =>
C7H12O2 + 9 O2� = 7 CO2 + 6 H2O
HgO = Hg + O2 =>
2 HgO = 2 Hg + O2
CaCO3 + FeS2 = CaS2 + FeCO3 =>
CaCO3 + FeS2 = CaS2 + FeCO3
C5H12 + O2 = CO2 + H2O =>
C5H12 + 8 O2 = 5 CO2 + 6 H2O
HNO3 + I2 = HIO3 + NO2 + H2O =>
10 HNO3 + I2 = 2 HIO3 + 10 NO2 + 4 H2O
N2(g) + O2(g) = N2O5(g) =>
2 N2(g) + 5 O2(g) = 2 N2O5(g)
Al + O2 = AlO3 =>
2 Al + 3 O2 = 2 AlO3
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| Equations balanced on the previous day | Equations balanced on the next day |
Equations balanced on 06/28/14
Equations balanced on 07/28/13
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