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4 KOH + 2 MnO2 + O2 = 2 K2MnO4 + 2 H2O
H2(g) + O2(g) = H2O(l) =>
2 H2(g) + O2(g) = 2 H2O(l)
H2SO4 + NaNO2 = HNO2 + Na2SO4 =>
H2SO4 + 2 NaNO2 = 2 HNO2 + Na2SO4
Fe + O2 + HCl = FeCl3 + H2O =>
4 Fe + 3 O2 + 12 HCl = 4 FeCl3 + 6 H2O
CuO + HN = N2 + H2O + Cu =>
CuO + 2 HN = N2 + H2O + Cu
Pb + AgNO3 = Pb(NO3)2 + Ag =>
Pb + 2 AgNO3 = Pb(NO3)2 + 2 Ag
HgO = Hg + O2 =>
2 HgO = 2 Hg + O2
H2S + NaOH = H2O + Na2S =>
H2S + 2 NaOH = 2 H2O + Na2S
K + O2 = KO2 =>
K + O2 = KO2
KMnO4 + HCl = KCl + O2 + MnCl2 + H2O =>
4 KMnO4 + 12 HCl = 4 KCl + 5 O2 + 4 MnCl2 + 6 H2O
K + MgCl2 = KCl + Mg =>
2 K + MgCl2 = 2 KCl + Mg
H2SO4 + HCl = SO2Cl2 + H2O =>
H2SO4 + 2 HCl = SO2Cl2 + 2 H2O
PCl3 + Na2S + H2O = Na2HPO3 + NaCl + H2S =>
2 PCl3 + 5 Na2S + 6 H2O = 2 Na2HPO3 + 6 NaCl + 5 H2S
HNO2 + HJ = NO + J2 + H2O =>
2 HNO2 + 2 HJ = 2 NO + J2 + 2 H2O
LiCl + Ag2SO4 = Ag2Cl + LiSO4 =>
LiCl + Ag2SO4 = Ag2Cl + LiSO4
Cu(OH)2 = CuO + H2O =>
Cu(OH)2 = CuO + H2O
HOCl + Na + OH = NaOCl + H2O =>
HOCl + Na + OH = NaOCl + H2O
VO3 + Zn = ZnVO3 =>
VO3 + Zn = ZnVO3
H2S + Cl2 = HCl + S =>
H2S + Cl2 = 2 HCl + S
NiSO4(aq) + KOH(aq) = Ni(OH)2 + K2SO4(aq) =>
NiSO4(aq) + 2 KOH(aq) = Ni(OH)2 + K2SO4(aq)
Zn(NO3)2 + NaOH = Zn(OH)2 + NaNO3 =>
Zn(NO3)2 + 2 NaOH = Zn(OH)2 + 2 NaNO3
Ca(OH)2 + CO2 = Ca(HCO3)2 =>
Ca(OH)2 + 2 CO2 = Ca(HCO3)2
P4 + H2 = PH3 =>
P4 + 6 H2 = 4 PH3
Zn(NO3)2 + NaOH = Zn(OH)2 + NaNO3 =>
Zn(NO3)2 + 2 NaOH = Zn(OH)2 + 2 NaNO3
PH3 + O2 = P4O10 + H2O =>
4 PH3 + 8 O2 = P4O10 + 6 H2O
Al2O3 + CaCl2 = AlCl3 + Ca2O2 =>
2 Al2O3 + 6 CaCl2 = 4 AlCl3 + 3 Ca2O2
NH4OH + H2C2O4 = (NH4)2C2O4 + H2O =>
2 NH4OH + H2C2O4 = (NH4)2C2O4 + 2 H2O
C12H22O11 + O2 = CO2 + H2O =>
C12H22O11 + 12 O2 = 12 CO2 + 11 H2O
Zn(NO3)2 + NaOH = Zn(OH)2 + NaNO3 =>
Zn(NO3)2 + 2 NaOH = Zn(OH)2 + 2 NaNO3
H3PO2 + Cl2 + H2O = H3PO3 + HCl =>
H3PO2 + Cl2 + H2O = H3PO3 + 2 HCl
K + O2 = K2O =>
4 K + O2 = 2 K2O
Ca + AgI = CaI + Ag =>
Ca + AgI = CaI + Ag
Al2O3 + H2SO4 = Al2(SO4)3 + H2O =>
Al2O3 + 3 H2SO4 = Al2(SO4)3 + 3 H2O
NH4OH + H2CO3 = (NH4)2CO3 + HOH =>
2 NH4OH + H2CO3 = (NH4)2CO3 + 2 HOH
Zn(s) + Ag(No3)2(aq) = Ag(s) + Zn(No3)2(aq) =>
Zn(s) + Ag(No3)2(aq) = Ag(s) + Zn(No3)2(aq)
Fe(s) + HNO3(aq) = Fe(NO3)2(aq) + H2(g) =>
Fe(s) + 2 HNO3(aq) = Fe(NO3)2(aq) + H2(g)
Al + KOH + H2O = K[Al(OH)4(H2O)] + H2 =>
2 Al + 2 KOH + 8 H2O = 2 K[Al(OH)4(H2O)] + 3 H2
NH3(g) + O2(g) + CH4(g) = HCN(aq) + H2O(l) =>
2 NH3(g) + 3 O2(g) + 2 CH4(g) = 2 HCN(aq) + 6 H2O(l)
K2Cr2O7 + H2SO4 + FeSO4 = Cr2(SO4)3 + Fe2(SO4)3 + H2O + K2SO4 =>
K2Cr2O7 + 7 H2SO4 + 6 FeSO4 = Cr2(SO4)3 + 3 Fe2(SO4)3 + 7 H2O + K2SO4
N + H2 = NH3* =>
2 N + 3 H2 = 2 NH3*
Cu(OH)2 + H3PO4 = Cu3(PO4)2 + H2O =>
3 Cu(OH)2 + 2 H3PO4 = Cu3(PO4)2 + 6 H2O
Cu(NO3)2 + K3[Fe(CN)6] = Cu3[Fe(CN)6]2 + K(NO3) =>
3 Cu(NO3)2 + 2 K3[Fe(CN)6] = Cu3[Fe(CN)6]2 + 6 K(NO3)
Zn + NaOH + H2O = Na2Zn(OH)4 + H2 =>
Zn + 2 NaOH + 2 H2O = Na2Zn(OH)4 + H2
H3PO4 + Mg(OH)2 = Mg3(PO4)2 + H2O =>
2 H3PO4 + 3 Mg(OH)2 = Mg3(PO4)2 + 6 H2O
C64H130 + O3 = CO2 + H2O =>
3 C64H130 + 193 O3 = 192 CO2 + 195 H2O
MnO2(s) + HCl(aq) = Cl2(g) + H2O(l) + MnCl2(aq) =>
MnO2(s) + 4 HCl(aq) = Cl2(g) + 2 H2O(l) + MnCl2(aq)
K + H2O = KOH + H =>
K + H2O = KOH + H
Zn + NH3 + H2O = Zn(OH)2 + NH4 =>
Zn + 2 NH3 + 2 H2O = Zn(OH)2 + 2 NH4
MnO2(s) + HCl(aq) = Cl2(g) + H2O(l) + MnCl2(aq) =>
MnO2(s) + 4 HCl(aq) = Cl2(g) + 2 H2O(l) + MnCl2(aq)
KClO3 + Na2C2O4 = KCl + CO2 + Na2O =>
KClO3 + 3 Na2C2O4 = KCl + 6 CO2 + 3 Na2O
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