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Si3N4 + 6 H2 + 3 O2 = 3 SiO2 + 4 NH3
CH3COOH + Na2CO3 = H2O + CO2 + Na2CH3 =>
9 CH3COOH + 8 Na2CO3 = 6 H2O + 18 CO2 + 8 Na2CH3
Fe2 + CaCl2 = Fe(Cl2)3 + Ca =>
Fe2 + 6 CaCl2 = 2 Fe(Cl2)3 + 6 Ca
(NH4)3PO4 + Ba(OH)2 = H2O + Ba3(PO4)2 + NH3 =>
2(NH4)3PO4 + 3 Ba(OH)2 = 6 H2O + Ba3(PO4)2 + 6 NH3
NaOH + C9H8O4 = Na(C9H7O4) + H2O =>
NaOH + C9H8O4 = Na(C9H7O4) + H2O
RbOH(aq) + H2SO4(aq) = Rb2SO4(aq) + H2O(l) =>
2 RbOH(aq) + H2SO4(aq) = Rb2SO4(aq) + 2 H2O(l)
P + Br2 = P2Br5 =>
4 P + 5 Br2 = 2 P2Br5
Cr2O7{2-} + Zn + H{+} = Cr{3+} + ZnO + H2O =>
Cr2O7{2-} + 3 Zn + 8 H{+} = 2 Cr{3+} + 3 ZnO + 4 H2O
C4H802(l) + O2(g) = H20(g) + CO2(g) =>
10 C4H802(l) + 40 O2(g) = 401 H20(g) + 40 CO2(g)
H2SO4 + KBr = Br2 + K2SO4 + SO2 + H2O =>
2 H2SO4 + 2 KBr = Br2 + K2SO4 + SO2 + 2 H2O
Cr + PbO = CrO + Pb =>
Cr + PbO = CrO + Pb
Fe(s) + H2O(l) = Fe2O3(s) + H2(g) =>
2 Fe(s) + 3 H2O(l) = Fe2O3(s) + 3 H2(g)
NaO + CO2 = NaCO3 =>
NaO + CO2 = NaCO3
Cr + PbO = CrO + Pb =>
Cr + PbO = CrO + Pb
Ca3(PO4)2 + H2SO4 = CaSO4 + Ca(H2PO4)2 =>
Ca3(PO4)2 + 2 H2SO4 = 2 CaSO4 + Ca(H2PO4)2
KIO3 + SO2 = KI + SO3 =>
KIO3 + 3 SO2 = KI + 3 SO3
CaSO3 + HNO3 = CaNO3 + HSO3 =>
CaSO3 + HNO3 = CaNO3 + HSO3
As2O3 + H2O = H3AsO4 + H2 =>
As2O3 + 5 H2O = 2 H3AsO4 + 2 H2
NaBrO3 + F2 + NaOH = NaF + NaBrO4 + H2O =>
NaBrO3 + F2 + 2 NaOH = 2 NaF + NaBrO4 + H2O
Cu0 + ZnSO4 = CuZnSO4 =>
Cu0 + ZnSO4 = CuZnSO4
Al + P = Al5P3 =>
5 Al + 3 P = Al5P3
Ag(SO3)2 = Ag + (SO3) =>
Ag(SO3)2 = Ag + 2(SO3)
CH3OH + CuO = HCOH + H2O + Cu =>
CH3OH + CuO = HCOH + H2O + Cu
Na2Cr2O7 + KI + H2SO4 = Cr2(SO4)3 + I2 + KHSO4 + H2O + Na =>
Na2Cr2O7 + 8 KI + 11 H2SO4 = Cr2(SO4)3 + 4 I2 + 8 KHSO4 + 7 H2O + 2 Na
Mg + Au{+} = Mg{2+} + Au =>
Mg + 2 Au{+} = Mg{2+} + 2 Au
PbCrO4 + CH3COOH = Pb{+2} + Cr2O7{-2} + CH3COO{-} + H2O =>
2 PbCrO4 + 2 CH3COOH = 2 Pb{+2} + Cr2O7{-2} + 2 CH3COO{-} + H2O
P + Cl{-}2 = PCl{-}5 =>
P + Cl{-}2 = PCl{-}5
Zn + HCl = ZnCl2 + H2 =>
Zn + 2 HCl = ZnCl2 + H2
C4H9OH + Li = C4H10 + LiO =>
C4H9OH + Li = C4H10 + LiO
C2H5COOH + Ca(OH)2 = C2H7O2CaCOOH =>
C2H5COOH + Ca(OH)2 = C2H7O2CaCOOH
Na2C2O4 + H2SO4 + KMnO4 = H2O + MnSO4 + CO2 + K2SO4 + Na2SO4 =>
5 Na2C2O4 + 8 H2SO4 + 2 KMnO4 = 8 H2O + 2 MnSO4 + 10 CO2 + K2SO4 + 5 Na2SO4
Ag2S + HNO3 = AgNO3 + H2S =>
Ag2S + 2 HNO3 = 2 AgNO3 + H2S
Al + H2(CrO4) = Al2(CrO4)3 + H2 =>
2 Al + 3 H2(CrO4) = Al2(CrO4)3 + 3 H2
Pb(NO3)2 + H3 + As04 = PbHAs04 + HNO3 =>
Pb(NO3)2 + H3 + As04 = PbHAs04 + 2 HNO3
CaCl2H2O + K2CO3 = KCl + CaCO3 + H2O =>
CaCl2H2O + K2CO3 = 2 KCl + CaCO3 + H2O
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
Cl2 + SO2 + H2O = H2SO4 + SCl2 =>
Cl2 + 3 SO2 + 2 H2O = 2 H2SO4 + SCl2
CaC2H2(OH)2 = Ca(OH)2H2C2 =>
CaC2H2(OH)2 = Ca(OH)2H2C2
CH3COOH + O2 = CH3COOHO2 =>
CH3COOH + O2 = CH3COOHO2
CuCl22H2O + NaBH4 = Cu + NaCl + BH4 + H2O =>
CuCl22H2O + 22 NaBH4 = Cu + 22 NaCl + 22 BH4 + H2O
SnO + PbO2 + KOH + H2O = K3[Sn(OH)6] + K2[Pb(OH)4] =>
2 SnO + PbO2 + 8 KOH + 4 H2O = 2 K3[Sn(OH)6] + K2[Pb(OH)4]
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
CsOH + Al + H2O = Cs(Al(OH)4(H2O)2) + H2 =>
2 CsOH + 2 Al + 10 H2O = 2 Cs(Al(OH)4(H2O)2) + 3 H2
CaCl2 + Zn(NO3)2 = Ca(NO3)2 + ZnCl2 =>
CaCl2 + Zn(NO3)2 = Ca(NO3)2 + ZnCl2
Cl2 + S + Na2S2O5 = NaCl + SOCl2 =>
6 Cl2 + 3 S + Na2S2O5 = 2 NaCl + 5 SOCl2
Fe + HNO3 = Fe(NO3)3 + N8O5 + H2O =>
10 Fe + 38 HNO3 = 10 Fe(NO3)3 + N8O5 + 19 H2O
Cu{2+} + H2O + I{-} = IO4{-} + H{+} + Cu =>
4 Cu{2+} + 4 H2O + I{-} = IO4{-} + 8 H{+} + 4 Cu
Pb + NiSO4 = PbSO4 + Ni =>
Pb + NiSO4 = PbSO4 + Ni
Zn3(PO4)2 + Ca(ClO)2 = Ca3(PO4)2 + Zn(ClO)2 =>
Zn3(PO4)2 + 3 Ca(ClO)2 = Ca3(PO4)2 + 3 Zn(ClO)2
Pb + NiSO4 = PbSO4 + Ni =>
Pb + NiSO4 = PbSO4 + Ni
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