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3 Ca + N2 = Ca3N2
Na2(SO4)(aq) + Pb(NO3)2(aq) = Pb(SO4)(s) + NaNO3(aq) =>
Na2(SO4)(aq) + Pb(NO3)2(aq) = Pb(SO4)(s) + 2 NaNO3(aq)
Cu2O + HBr = CuBr + H2O =>
Cu2O + 2 HBr = 2 CuBr + H2O
Al(s) + H2SO4(ag) = Al2(SO4)3(ag) + H2(g) =>
2 Al(s) + 3 H2SO4(ag) = Al2(SO4)3(ag) + 3 H2(g)
Zn + HNO3 = NO + H2O + Zn(NO3)2 =>
3 Zn + 8 HNO3 = 2 NO + 4 H2O + 3 Zn(NO3)2
KMnO4 + H2SO4 + NaNO2 = MnSO4 + K2SO4 + NaNO3 + H2O =>
2 KMnO4 + 3 H2SO4 + 5 NaNO2 = 2 MnSO4 + K2SO4 + 5 NaNO3 + 3 H2O
NaOH + HSO2 = Na2 + SO4 + H2O =>
10 NaOH + 2 HSO2 = 5 Na2 + 2 SO4 + 6 H2O
P + O2 = P2O5 =>
4 P + 5 O2 = 2 P2O5
Sn + HNO3 = O2Sn + NO2 + H2O =>
Sn + 4 HNO3 = O2Sn + 4 NO2 + 2 H2O
Al2(SO4)3 + Fe(NO3)2 = Al(NO3)3 + FeSO4 =>
Al2(SO4)3 + 3 Fe(NO3)2 = 2 Al(NO3)3 + 3 FeSO4
C2H3COOH + HCl = C2H4ClCOOH =>
C2H3COOH + HCl = C2H4ClCOOH
BaCO3(s) + H2SO4(aq) = BaSO4(s) + H2O(aq) + CO2(g) =>
BaCO3(s) + H2SO4(aq) = BaSO4(s) + H2O(aq) + CO2(g)
Ca(OH)2(aq) + H3PO4(aq) = H(OH)(l) + Ca3(PO4)2 =>
3 Ca(OH)2(aq) + 2 H3PO4(aq) = 6 H(OH)(l) + Ca3(PO4)2
ZnTe + HCN = Zn(CN) + HTe =>
ZnTe + HCN = Zn(CN) + HTe
HI + CuCO3 = CuH2 + I2CO3 =>
2 HI + CuCO3 = CuH2 + I2CO3
HNO3 = HOH + O2 + NO2 =>
4 HNO3 = 2 HOH + O2 + 4 NO2
Pb(NO3)3 = NO2 + PbO + O2 =>
Pb(NO3)3 = 3 NO2 + PbO + O2
Ba(s) + O2(g) = BaO(s) =>
2 Ba(s) + O2(g) = 2 BaO(s)
NaCrO4 + PbCl = NaCl + PbCrO4 =>
NaCrO4 + PbCl = NaCl + PbCrO4
NH4NO3 + NaOH = NH4OH + NaNO3 =>
NH4NO3 + NaOH = NH4OH + NaNO3
FeS + H2O = Fe2O3 + H2S + H2 =>
2 FeS + 3 H2O = Fe2O3 + 2 H2S + H2
HOOCCHCOOH + NaOH = COONaCHCOONa + H2O =>
HOOCCHCOOH + 2 NaOH = COONaCHCOONa + 2 H2O
Pb(NO3)2 + NH4Cl = NH4NO3 + PbCl2 =>
Pb(NO3)2 + 2 NH4Cl = 2 NH4NO3 + PbCl2
Ca(HCO3)2(s)(heat) = CaCO3(s) + CO2(g) + H2O(g) =>
Ca(HCO3)2(s)(heat) = CaCO3(s) + CO2(g) + H2O(g)
Cr2(SO4)3 + NaBO2 = Cr(BO2)3 + Na2SO4 =>
Cr2(SO4)3 + 6 NaBO2 = 2 Cr(BO2)3 + 3 Na2SO4
KOH + H3BO3 = KOHH3BO3 =>
KOH + H3BO3 = KOHH3BO3
C9H16N4OS + O2 = CO2 + H2O + SO4 + NO3 =>
2 C9H16N4OS + 41 O2 = 18 CO2 + 16 H2O + 2 SO4 + 8 NO3
Cu + LiBr = CuLi + Br =>
Cu + LiBr = CuLi + Br
Na2O + NH3 = N2O3 + NaH =>
3 Na2O + 2 NH3 = N2O3 + 6 NaH
NiS + Zn(NO3)2 = ZnS + Ni(NO3)2 =>
NiS + Zn(NO3)2 = ZnS + Ni(NO3)2
C15H30 = C3H6 =>
C15H30 = 5 C3H6
NH{+4}NO{+3} = N{+2}O + H{+2}O =>
NH{+4}NO{+3} = N{+2}O + H{+2}O
CrCl3 + NH3 = Cr(NH2)3 + HCl =>
CrCl3 + 3 NH3 = Cr(NH2)3 + 3 HCl
Al(NO3)3 + H2SO4 = Al2(SO4)3 + HNO3 =>
2 Al(NO3)3 + 3 H2SO4 = Al2(SO4)3 + 6 HNO3
Zn(s) + KCl(aq) = ZnCl2(aq) + K(s) =>
Zn(s) + 2 KCl(aq) = ZnCl2(aq) + 2 K(s)
CdSCuSO4 = CdSO4CuS =>
CdSCuSO4 = CdSO4CuS
C3H6O2 + CaCO3 = Ca(CH3COO)2 + CO2 + H2O =>
8 C3H6O2 + 7 CaCO3 = 7 Ca(CH3COO)2 + 3 CO2 + 3 H2O
Fe + KSCN = (FeSCN)2 + K =>
2 Fe + 2 KSCN = (FeSCN)2 + 2 K
KOH(aq)HCl(aq) = KCl(aq) + H2O(l) =>
KOH(aq)HCl(aq) = KCl(aq) + H2O(l)
PbCl2 + K(CH3COO) = KCl + Pb(CH3COO)2 =>
PbCl2 + 2 K(CH3COO) = 2 KCl + Pb(CH3COO)2
KMnO4 + KI + HClO4 = Mn(ClO4)2 + KClO4 + I + H2O =>
KMnO4 + 5 KI + 8 HClO4 = Mn(ClO4)2 + 6 KClO4 + 5 I + 4 H2O
NIS + HCl + HNO3 = NICl + NO + S + H2O =>
3 NIS + 3 HCl + HNO3 = 3 NICl + NO + 3 S + 2 H2O
AgI + NaBr = AgBr + NaI =>
AgI + NaBr = AgBr + NaI
SO4{2-} + C6H12O6 = HS{-} + HCO3{-} + H{+} =>
3 SO4{2-} + C6H12O6 = 3 HS{-} + 6 HCO3{-} + 3 H{+}
MgBr2 + Cl = Mg + ClBr2 =>
MgBr2 + Cl = Mg + ClBr2
Ca + O2 = CaO =>
2 Ca + O2 = 2 CaO
NaCN + H2SO4 = Na2SO4 + HCN =>
2 NaCN + H2SO4 = Na2SO4 + 2 HCN
PbSO3 + O2 = PbSO4 =>
2 PbSO3 + O2 = 2 PbSO4
NaClO + KMnO4 + H2SO4 = NaClO3 + K2SO4 + H2O + MnSO4 =>
5 NaClO + 4 KMnO4 + 6 H2SO4 = 5 NaClO3 + 2 K2SO4 + 6 H2O + 4 MnSO4
NaOH + Cl2 = NaCl + NaClO*H2O =>
2 NaOH + Cl2 = NaCl + NaClO*H2O
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