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2 Ca + O2 = 2 CaO
BaCl2(ac) + KIO3(ac) = Ba(IO3)2(s) + KCl(ac) =>
BaCl2(ac) + 2 KIO3(ac) = Ba(IO3)2(s) + 2 KCl(ac)
LiF(s) = Li(s) + F2(g) =>
2 LiF(s) = 2 Li(s) + F2(g)
Na2Cr2O7 + KOH = K2CrO4 + Na2CrO4 + H2O =>
Na2Cr2O7 + 2 KOH = K2CrO4 + Na2CrO4 + H2O
KOH(aq) + H2Cr2O7(aq) = H2O(l) + K2Cr2O7(aq) =>
2 KOH(aq) + H2Cr2O7(aq) = 2 H2O(l) + K2Cr2O7(aq)
K + AlPO4 = Al + KPO4 =>
K + AlPO4 = Al + KPO4
KOH + C6H11Br = C6H10 + H2O + KBr =>
KOH + C6H11Br = C6H10 + H2O + KBr
Al + O2 = Al2O3 =>
4 Al + 3 O2 = 2 Al2O3
Sb4S6 + O2 = Sb4O6 + SO2 =>
Sb4S6 + 9 O2 = Sb4O6 + 6 SO2
KMnO4 + HC1 = MnC1 + C + KC1 + H2O =>
KMnO4 + 8 HC1 = MnC1 + 6 C + KC1 + 4 H2O
H2S + Cd(NO3) = HNO3 + Cd2S =>
H2S + 2 Cd(NO3) = 2 HNO3 + Cd2S
NaBrO2 = NaBr + O2 =>
NaBrO2 = NaBr + O2
Zn{2+} + K4[Fe(CN)6] = K2Zn3[Fe(CN)6]2 + K{+} =>
3 Zn{2+} + 2 K4[Fe(CN)6] = K2Zn3[Fe(CN)6]2 + 6 K{+}
N02 + H2 = NH3 =>
N02 + 3 H2 = 2 NH3
*Na2CO3(aq) + HCl(aq) = NaCl(aq) + H2O(l) + CO2(g) =>
*Na2CO3(aq) + 2 HCl(aq) = 2 NaCl(aq) + H2O(l) + CO2(g)
K2Co3 + BaCl2 = BaCo3 + KCl =>
K2Co3 + BaCl2 = BaCo3 + 2 KCl
KNO3 + C + S = K2CO3K2SO4 + CO2 + N2 =>
8 KNO3 + 7 C + 2 S = 2 K2CO3K2SO4 + 5 CO2 + 4 N2
Fe + Sn(NO3)3 = Fe(NO3)3 + Sn =>
Fe + Sn(NO3)3 = Fe(NO3)3 + Sn
He + N = HeN =>
He + N = HeN
SiBr4 + H2 = Si + HBr =>
SiBr4 + 2 H2 = Si + 4 HBr
Mg(s) + Pb(NO3)2(aq) = Mg(NO3)2(aq) + Pb(s) =>
Mg(s) + Pb(NO3)2(aq) = Mg(NO3)2(aq) + Pb(s)
Mg(ClO2)3 = Mg + Cl + O2 =>
Mg(ClO2)3 = Mg + 3 Cl + 3 O2
(NH4)2SO4 + Al2(SO4)3*18H2O + H2O = NH4Al(SO4)2*12H2O =>
(NH4)2SO4 + Al2(SO4)3*18H2O + 6 H2O = 2 NH4Al(SO4)2*12H2O
C2H4 + H2O2 = HOCH2CH2OH =>
C2H4 + H2O2 = HOCH2CH2OH
HF + MgSO4 = MgF2 + H2SO4 =>
2 HF + MgSO4 = MgF2 + H2SO4
Fe + Na2S = FeS + Na =>
Fe + Na2S = FeS + 2 Na
AsO3{-3} + ClO{-} = AsO4{-3} + Cl{-} =>
AsO3{-3} + ClO{-} = AsO4{-3} + Cl{-}
HNO3 + KOH = KNO3 + H2O =>
HNO3 + KOH = KNO3 + H2O
MgCl2 + K3PO4 = Mg3(PO4)2 + KCl(aq) =>
3 MgCl2 + 2 K3PO4 = Mg3(PO4)2 + 6 KCl(aq)
Mg3N2 + H2O = Mg(OH)2 + NH3 =>
Mg3N2 + 6 H2O = 3 Mg(OH)2 + 2 NH3
Ni + FeSO4 = NiSO4 + Fe =>
Ni + FeSO4 = NiSO4 + Fe
KBr + MnO2 + H2SO4 = KHSO4 + MnSO4 + Br2 + H2O =>
2 KBr + MnO2 + 3 H2SO4 = 2 KHSO4 + MnSO4 + Br2 + 2 H2O
NaHSO3 = SO2 + Na2SO3 + H2O =>
2 NaHSO3 = SO2 + Na2SO3 + H2O
Na2(NH4)PO4 + (NH4)2SO4 = Na2(NH4)PO4(NH4)2SO4 =>
Na2(NH4)PO4 + (NH4)2SO4 = Na2(NH4)PO4(NH4)2SO4
C8H8O2 + HONO2 = C8H7NO4 + H2O =>
C8H8O2 + HONO2 = C8H7NO4 + H2O
Ca(OH)2 + H2O = CaH + (OH)3 =>
Ca(OH)2 + H2O = CaH + (OH)3
AlBr3 + NH4OH = Al(OH)3 + NH4Br =>
AlBr3 + 3 NH4OH = Al(OH)3 + 3 NH4Br
ZnOH2O = Zn(OH)2 =>
ZnOH2O = Zn(OH)2
CH3CH2OH + KMnO4 = CH3COOH + MnO + H2O + KOH =>
5 CH3CH2OH + 4 KMnO4 = 5 CH3COOH + 4 MnO + 3 H2O + 4 KOH
C2H2(g) + O = CO2(g) + H2O =>
C2H2(g) + 5 O = 2 CO2(g) + H2O
Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2
KCl + CaS = K2S + CaCl2 =>
2 KCl + CaS = K2S + CaCl2
Sr + N + O = Sr(NO3)2 =>
Sr + 2 N + 6 O = Sr(NO3)2
C + HClO4 = CO2 + HCl =>
2 C + HClO4 = 2 CO2 + HCl
Na3AsO4 = Na + AsO4 =>
Na3AsO4 = 3 Na + AsO4
O2 + C2H8O = CO2 + H2O =>
7 O2 + 2 C2H8O = 4 CO2 + 8 H2O
C6H5OH + HOH = C6H5(OH)2 + H2 =>
2 C6H5OH + 2 HOH = 2 C6H5(OH)2 + H2
PCl3 + Na2SO4 + H2O = Na + H2SO4 + H3PO4 + HCl =>
PCl3 + Na2SO4 + 4 H2O = 2 Na + H2SO4 + H3PO4 + 3 HCl
Al(OH)3 + H2SO4 = Al2(SO4)3 + H2O =>
2 Al(OH)3 + 3 H2SO4 = Al2(SO4)3 + 6 H2O
HNO3 + Sr(OH) = H2O + Sr(NO3) =>
HNO3 + Sr(OH) = H2O + Sr(NO3)
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