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4 NO2 + 6 H2O = 4 NH3 + 7 O2
K2[Zn(OH)4] + H2SO4 = KOH + ZnSO4 + H2O =>
K2[Zn(OH)4] + H2SO4 = 2 KOH + ZnSO4 + 2 H2O
Mg + P4 = Mg3P3 =>
12 Mg + 3 P4 = 4 Mg3P3
H2C2 + K2Cr2O7 + H2SO4 = Cr2(SO2)3 + K2SO4 + CO2 + H2O =>
9 H2C2 + 5 K2Cr2O7 + 20 H2SO4 = 5 Cr2(SO2)3 + 5 K2SO4 + 18 CO2 + 29 H2O
K2Cr2O7 + H2SO4 = K2SO4 + H2O + Cr2O5 + (O) =>
K2Cr2O7 + H2SO4 = K2SO4 + H2O + Cr2O5 + (O)
O = O1000000000 =>
1000000000 O = O1000000000
KMnO4 + NaHO = NaMnO4 + KOH =>
KMnO4 + NaHO = NaMnO4 + KOH
FeCl3 + (NH4)2S = FeS + S + NH4Cl =>
2 FeCl3 + 3(NH4)2S = 2 FeS + S + 6 NH4Cl
KMnO4 + H2SO4 + CH3CHO = HCOOH + K2SO4 + MnSO4 + H2O =>
6 KMnO4 + 9 H2SO4 + 5 CH3CHO = 10 HCOOH + 3 K2SO4 + 6 MnSO4 + 9 H2O
C14H18N2O5 + H2O = C4H7NO4 + CH3OH + C9HNO =>
5 C14H18N2O5 + 37 H2O = 9 C4H7NO4 + 25 CH3OH + C9HNO
K + Cl2 = KCl =>
2 K + Cl2 = 2 KCl
K2CO3 + BaCl2 = BaCO3 + KCl =>
K2CO3 + BaCl2 = BaCO3 + 2 KCl
C2H4 + Cl2 + Ca(OH)2 = C2Cl4 + CaCl2 + H2O =>
C2H4 + 4 Cl2 + 2 Ca(OH)2 = C2Cl4 + 2 CaCl2 + 4 H2O
LiAlH4(s) + C(NO2)4(l) = Al2O3(s) + Li2O(s) + CO2(g) + N2(g) + H2(g) =>
6 LiAlH4(s) + 2 C(NO2)4(l) = 3 Al2O3(s) + 3 Li2O(s) + 2 CO2(g) + 4 N2(g) + 12 H2(g)
CaCO3(s) + HBr(aq) = CaBr(aq) + HCO3(aq) =>
CaCO3(s) + HBr(aq) = CaBr(aq) + HCO3(aq)
NaNO3 + C12H22O11 = Na2CO3 + CO2 + H2O + N2 =>
48 NaNO3 + 5 C12H22O11 = 24 Na2CO3 + 36 CO2 + 55 H2O + 24 N2
NaOH + Cu{+2} = Cu(OH)2 + Na{+} =>
2 NaOH + Cu{+2} = Cu(OH)2 + 2 Na{+}
C8H6O4 + PCl5 = C6H4(COCl)2 + HCl + POCl3 =>
C8H6O4 + 2 PCl5 = C6H4(COCl)2 + 2 HCl + 2 POCl3
Fe(NO3)2 + Na2SiO3 = Fe(SiO3) + NaNO3 =>
Fe(NO3)2 + Na2SiO3 = Fe(SiO3) + 2 NaNO3
Ca + FeSO4 = Fe + CaSO4 =>
Ca + FeSO4 = Fe + CaSO4
K3[Fe(CN)6] + NH4CNS = KCNS + (NH4)3[Fe(CN)6] =>
K3[Fe(CN)6] + 3 NH4CNS = 3 KCNS + (NH4)3[Fe(CN)6]
KMnO4 + K2SO3 + NaOH = K2MnO4 + NaMnO4 + K2SO4 + H2O =>
4 KMnO4 + K2SO3 + 2 NaOH = 2 K2MnO4 + 2 NaMnO4 + K2SO4 + H2O
NH3H2O = NH4 + OH =>
NH3H2O = NH4 + OH
C2H4Cl2 + O2 = CO2 + H2O + HCl =>
2 C2H4Cl2 + 5 O2 = 4 CO2 + 2 H2O + 4 HCl
OHCH2CH2OH + Cu(OH)2 = CH2OCH2OCu + H2O =>
OHCH2CH2OH + Cu(OH)2 = CH2OCH2OCu + 2 H2O
AgNi + Cu = CuNi + Ag =>
AgNi + Cu = CuNi + Ag
C6H11NO + O2 = CO2 + H2O + N2 =>
4 C6H11NO + 33 O2 = 24 CO2 + 22 H2O + 2 N2
Fe2O3 + CO = FeO + CO2 =>
Fe2O3 + CO = 2 FeO + CO2
Fe(PO4) + NaCl = Na2PO4 + FeCl2 =>
Fe(PO4) + 2 NaCl = Na2PO4 + FeCl2
Na2SiO3 + Cl2 = NaCl + SiO2 + O2 =>
2 Na2SiO3 + 2 Cl2 = 4 NaCl + 2 SiO2 + O2
Pb(NO3)2 + KI = PbI2 + KNO3 =>
Pb(NO3)2 + 2 KI = PbI2 + 2 KNO3
BeSO4 + H2O = BeO + H2SO4 =>
BeSO4 + H2O = BeO + H2SO4
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
CuSO4(aq) + NaOH(aq) = Cu(OH)2 + Na2SO4 =>
CuSO4(aq) + 2 NaOH(aq) = Cu(OH)2 + Na2SO4
(NH4)2SO4 + MaOH = NH3 + H2O + Ma2SO4 =>
(NH4)2SO4 + 2 MaOH = 2 NH3 + 2 H2O + Ma2SO4
Cr2O7{2}{-} + Hg{+} + H{+} = Cr{3}{+} + Hg{2}{+} + H2O =>
Cr2O7{2}{-} + 10 Hg{+} + 14 H{+} = 2 Cr{3}{+} + 10 Hg{2}{+} + 7 H2O
HClHS = H2SCl =>
HClHS = H2SCl
Al2(Cr2O7)3 + (NH4)2SO4 = (NH4)2CrO4 + Al2(SO4)3 + CrO2 + O2 =>
2 Al2(Cr2O7)3 + 6(NH4)2SO4 = 6(NH4)2CrO4 + 2 Al2(SO4)3 + 6 CrO2 + 3 O2
MgO(s) + O2(g) = MgO2(s) =>
2 MgO(s) + O2(g) = 2 MgO2(s)
Sn + H2SO4 = H2O + SO2 + Sn(SO4)2 =>
Sn + 4 H2SO4 = 4 H2O + 2 SO2 + Sn(SO4)2
Br2 + K[(CrOH)4] + KOH = KBr + K2CrO4 + H2O =>
21 Br2 + 2 K[(CrOH)4] + 56 KOH = 42 KBr + 8 K2CrO4 + 32 H2O
Sb2S3 + HNO3 + H2O = H3SbO + H2SO4 + NO =>
3 Sb2S3 + 16 HNO3 + 10 H2O = 6 H3SbO + 9 H2SO4 + 16 NO
Ai(OH)3 + H2(SO4) = Ai2(SO4)3 + H2O =>
2 Ai(OH)3 + 3 H2(SO4) = Ai2(SO4)3 + 6 H2O
Ba(OH)2 + HCl = BaCl2 + H2O =>
Ba(OH)2 + 2 HCl = BaCl2 + 2 H2O
Zn(OH)2 + OH{-} = [Zn(OH)4]{2-} =>
Zn(OH)2 + 2 OH{-} = [Zn(OH)4]{2-}
H(ClO4)(aq) + K2(CO3)(aq) = K(ClO4)(aq) + H2(CO3)(aq) =>
2 H(ClO4)(aq) + K2(CO3)(aq) = 2 K(ClO4)(aq) + H2(CO3)(aq)
(a)PBr3(l) + H20(l) = H3P03(aq) + HBr(aq) =>
15(a)PBr3(l) + 3 H20(l) = 5 H3P03(aq) + 45 HBr(aq)
NaHCO3 + CH3COOH = NaCH3COOH + HCO3 =>
NaHCO3 + CH3COOH = NaCH3COOH + HCO3
Na2S2O3 + NaOH = Na2S + Na2SO3 + H2O =>
3 Na2S2O3 + 6 NaOH = 2 Na2S + 4 Na2SO3 + 3 H2O
KOH + NH4Cl = KCl + H2O + NH3(aq) =>
KOH + NH4Cl = KCl + H2O + NH3(aq)
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