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(NH4)2CO3(aq) + 2 HCl(aq) = 2 NH4Cl(aq) + CO2(g) + H2O(aq)
(a)ZnO(s) + HCl(aq) = ZnCl2(aq) + H2O(l) =>
(a)ZnO(s) + 2 HCl(aq) = ZnCl2(aq) + H2O(l)
MnO4{-} + H{+} + Br{-} = Mn{2+} + Br2 + H2O =>
2 MnO4{-} + 16 H{+} + 10 Br{-} = 2 Mn{2+} + 5 Br2 + 8 H2O
Ba(NO3)2 + H3PO4 = Ba3(PO4)2 + HNO3 =>
3 Ba(NO3)2 + 2 H3PO4 = Ba3(PO4)2 + 6 HNO3
NaCl + H2SO4 + KMnO4 = Cl2 + NaHSO4 + KHSO4 + MnSO4 + H2O =>
10 NaCl + 14 H2SO4 + 2 KMnO4 = 5 Cl2 + 10 NaHSO4 + 2 KHSO4 + 2 MnSO4 + 8 H2O
NH4SCN + (Ba(OH)2)8H2O = H2O + NH3 + Ba(SCN)2 =>
16 NH4SCN + (Ba(OH)2)8H2O = 17 H2O + 16 NH3 + 8 Ba(SCN)2
C7H7NO + NaOH = C7H6O2 + NH2 + Na =>
C7H7NO + NaOH = C7H6O2 + NH2 + Na
NH3 + NO2 = N2 + H2O =>
8 NH3 + 6 NO2 = 7 N2 + 12 H2O
Fe + H3PO4 + O2 = H2FePO4 + H2O =>
4 Fe + 4 H3PO4 + O2 = 4 H2FePO4 + 2 H2O
CaCl2 + NaHSO4 = CaCl2NaHSO4 =>
CaCl2 + NaHSO4 = CaCl2NaHSO4
KCl + AgNo2 = KNo2 + AgCl =>
KCl + AgNo2 = KNo2 + AgCl
KMnO4 + HH2SO4 + KI = MnSO4 + I2 + K2SO4 + H2O =>
6 KMnO4 + 16 HH2SO4 + 14 KI = 6 MnSO4 + 7 I2 + 10 K2SO4 + 24 H2O
Cr + H2SO4 = CrH2SO4 =>
Cr + H2SO4 = CrH2SO4
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
K + H2O = KOH + H2 =>
2 K + 2 H2O = 2 KOH + H2
Na2SiF6 + H2O = SiO2 + Na2 + H + F =>
Na2SiF6 + 2 H2O = SiO2 + Na2 + 4 H + 6 F
ZnF2 + CaCl2 = ZnCl2 + CaF2 =>
ZnF2 + CaCl2 = ZnCl2 + CaF2
As4O6 + IO4{-} + OH{-} = AsO4({-}3) + IO3{-} + H2O =>
As4O6 + 8 IO4{-} + 4 OH{-} = 4 AsO4({-}3) + 8 IO3{-} + 2 H2O
BaCl*2H2O + Na2CO3 = BaCO3 + Na2Cl + H2O =>
BaCl*2H2O + Na2CO3 = BaCO3 + Na2Cl + 2 H2O
Al(OH)3 + C = CO2 + Al + H2O =>
4 Al(OH)3 + 3 C = 3 CO2 + 4 Al + 6 H2O
CuCl2 + Li(OH)2 = Cu(OH)2 + LiCl2 =>
CuCl2 + Li(OH)2 = Cu(OH)2 + LiCl2
LiOH + N2 = LiOHN2 =>
LiOH + N2 = LiOHN2
(CH3COO)2Ni + HOH = CH3COOH + Ni(OH)2 =>
(CH3COO)2Ni + 2 HOH = 2 CH3COOH + Ni(OH)2
KCl + Mn = MnCl2 + K =>
2 KCl + Mn = MnCl2 + 2 K
Mg + Fe(NO3)3 = MgNO3 + Fe3 =>
9 Mg + 3 Fe(NO3)3 = 9 MgNO3 + Fe3
NiCl2 + Sr(NO3)2 = SrCl2 + Ni(NO3)2 =>
NiCl2 + Sr(NO3)2 = SrCl2 + Ni(NO3)2
CaHNO3 = CaNO3 + H2 =>
2 CaHNO3 = 2 CaNO3 + H2
HS{-} + H2O = S{-2} + H3O{+} =>
HS{-} + H2O = S{-2} + H3O{+}
Cr + H2SO4 = Cr2(SO4)3 + SO2 + H2O =>
2 Cr + 6 H2SO4 = Cr2(SO4)3 + 3 SO2 + 6 H2O
H2CrO2 + NaOH = H2CrO3 + NaH =>
H2CrO2 + NaOH = H2CrO3 + NaH
As4O6 + IO4{-} + OH{-} = AsO4({-}3) + IO3{-} + H2O =>
As4O6 + 8 IO4{-} + 4 OH{-} = 4 AsO4({-}3) + 8 IO3{-} + 2 H2O
PbS(s) + HNO3(aq) = Pb(NO3)2(aq) + NO(g) + S(s) + H2O(l) =>
3 PbS(s) + 8 HNO3(aq) = 3 Pb(NO3)2(aq) + 2 NO(g) + 3 S(s) + 4 H2O(l)
XCH3CH3 + K2Cr2O7 + HCl = XCOOHCOOH + CrCl3 + H2O + KCl =>
XCH3CH3 + 2 K2Cr2O7 + 16 HCl = XCOOHCOOH + 4 CrCl3 + 10 H2O + 4 KCl
H2SO4(l) + CaCO3(s) = CaSO4(s) + CO2(g) + H2O(l) =>
H2SO4(l) + CaCO3(s) = CaSO4(s) + CO2(g) + H2O(l)
(NH4)Cl + Ba(OH)2 = BaCl2 + NH3 + H2O =>
2(NH4)Cl + Ba(OH)2 = BaCl2 + 2 NH3 + 2 H2O
K4[Fe(CN)6] + H2SO4 + NaNO2 = K3[Fe(CN)6] + N2 + Na2SO4 + K2SO4 + H2O =>
6 K4[Fe(CN)6] + 4 H2SO4 + 2 NaNO2 = 6 K3[Fe(CN)6] + N2 + Na2SO4 + 3 K2SO4 + 4 H2O
Zn + Cu2{+} = Zn2{+} + Cu =>
2 Zn + Cu2{+} = Zn2{+} + 2 Cu
PbO + HCl = PbCl + Cl2 + H2O =>
2 PbO + 4 HCl = 2 PbCl + Cl2 + 2 H2O
NaHCO3(t) = Na2CO3(g) + CO2(g) + H2O(g) =>
2 NaHCO3(t) = Na2CO3(g) + CO2(g) + H2O(g)
FeCl3 + Na2SO3 + NaOH = Na2SO4 + NaCl + FeCl2 + H2O =>
2 FeCl3 + Na2SO3 + 2 NaOH = Na2SO4 + 2 NaCl + 2 FeCl2 + H2O
H2O + NO = NH3 + O2 =>
6 H2O + 4 NO = 4 NH3 + 5 O2
CuSO4Zn = ZnSO4Cu =>
CuSO4Zn = ZnSO4Cu
Na3PO4(aq) + Ca(NO3)2(aq) = NaNO3(aq) + Ca3(PO4)2 =>
2 Na3PO4(aq) + 3 Ca(NO3)2(aq) = 6 NaNO3(aq) + Ca3(PO4)2
H3PO4 + Zn = H2 + Zn{2+}{+} + PO4{3-} =>
2 H3PO4 + 3 Zn = 3 H2 + 3 Zn{2+}{+} + 2 PO4{3-}
Cr(OH)4{-} + ClO{-} + OH{-} = CrO4{2-} + Cl{-} + H2O =>
2 Cr(OH)4{-} + 3 ClO{-} + 2 OH{-} = 2 CrO4{2-} + 3 Cl{-} + 5 H2O
N2O4 + C9H20 = CO + H2O + N2 =>
19 N2O4 + 4 C9H20 = 36 CO + 40 H2O + 19 N2
CO(NH2)2 + NO2{-} + H{+} = N2 + CO + H2O =>
3 CO(NH2)2 + 4 NO2{-} + 4 H{+} = 5 N2 + 3 CO + 8 H2O
KMnO4 = K2O + MnO + O2 =>
4 KMnO4 = 2 K2O + 4 MnO + 5 O2
Na3CrO4 + H2SO4 = Na2Cr2O7 + Cr2O3 + Na2SO4 + H2O =>
6 Na3CrO4 + 7 H2SO4 = 2 Na2Cr2O7 + Cr2O3 + 7 Na2SO4 + 7 H2O
[Cu(NH3)4(H20)2]{+2} + H{+} + SO4{-2} = CuSO4 + NH4SO4 + [Cu(H20)6]{+2} =>
30[Cu(NH3)4(H20)2]{+2} + 240 H{+} + 139 SO4{-2} = 19 CuSO4 + 120 NH4SO4 + 11[Cu(H20)6]{+2}
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