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H2SO4 + CaCO3 = CaSO4H2O + CO2
C3H8 + Br2 = C3H7Br + H2Br =>
4 C3H8 + 3 Br2 = 4 C3H7Br + 2 H2Br
NaOH + Si = NaSi + Na2SiO3 + H2O =>
6 NaOH + 5 Si = 4 NaSi + Na2SiO3 + 3 H2O
C8H9O2N(s) + O2(g) = H2O(l) + N2(g) + CO2(g) =>
4 C8H9O2N(s) + 37 O2(g) = 18 H2O(l) + 2 N2(g) + 32 CO2(g)
C3H8 + O2 = CO + H2O =>
2 C3H8 + 7 O2 = 6 CO + 8 H2O
K2CrO4 + H2SO4 = Cr2(SO4)3 + K2SO4 + H2O + O =>
2 K2CrO4 + 5 H2SO4 = Cr2(SO4)3 + 2 K2SO4 + 5 H2O + 3 O
Br2(l) + AlI3(aq) = AlBr3(g) + I2(g) =>
3 Br2(l) + 2 AlI3(aq) = 2 AlBr3(g) + 3 I2(g)
O3 + KF = K2O + F2 =>
O3 + 6 KF = 3 K2O + 3 F2
C6H8O7 + C8H24O2 = C4H2 + H2O =>
16 C6H8O7 + 9 C8H24O2 = 42 C4H2 + 130 H2O
KOH + HBr = KBr + H2O =>
KOH + HBr = KBr + H2O
H2O + CoCl2 = CoO + HCl =>
H2O + CoCl2 = CoO + 2 HCl
K2SO4 + HNO3 = KNO3 + (H2SO4) =>
K2SO4 + 2 HNO3 = 2 KNO3 + (H2SO4)
Ca5(PO4)3 + FeSi2 = CaSi + Fe2O3 + P + SiO2 =>
Ca5(PO4)3 + 4 FeSi2 = 5 CaSi + 2 Fe2O3 + 3 P + 3 SiO2
Fe + HSO4 = H2 + Fe(SO4) =>
2 Fe + 2 HSO4 = H2 + 2 Fe(SO4)
(NH4)2S(aq) + Cd(NO3)2(aq) = NH4NO3(aq) + CdS(s) =>
(NH4)2S(aq) + Cd(NO3)2(aq) = 2 NH4NO3(aq) + CdS(s)
Mg + O2 = Mg(O2)2 =>
Mg + 2 O2 = Mg(O2)2
CrCl3(aq) + Na3PO4(aq) = CrPO4 + NaCl =>
CrCl3(aq) + Na3PO4(aq) = CrPO4 + 3 NaCl
SOF2 + H2O = HF + SO2 =>
SOF2 + H2O = 2 HF + SO2
COBr3 + K2S = K3CO + SBr2 =>
2 COBr3 + 3 K2S = 2 K3CO + 3 SBr2
C2H4(g) + F(g) = CF4(g) + HF(g) =>
C2H4(g) + 12 F(g) = 2 CF4(g) + 4 HF(g)
C6H12O6 + MgSO4 = C6H6O3 + MgSO4*3H2O =>
C6H12O6 + MgSO4 = C6H6O3 + MgSO4*3H2O
Ba(OH)2 + HNO3 = H2O + BaNO3OH =>
Ba(OH)2 + HNO3 = H2O + BaNO3OH
sodiumcarbonate + HCl = sodiumchloride + carbonicacid =>
Na2CO3 + 2 HCl = 2 NaCl + H2CO3
(NH4)2CO3 = H2O + C(NH2)2O =>
(NH4)2CO3 = 2 H2O + C(NH2)2O
NaOH + Si = NaSi + Na2SiO3 + H2O =>
6 NaOH + 5 Si = 4 NaSi + Na2SiO3 + 3 H2O
C6H12O5 + H2O = C6H14O6 =>
C6H12O5 + H2O = C6H14O6
RbCH3 + KMnO4 + H2SO4 = RbCOOH + K2SO4 + MnSO4 + H2O =>
5 RbCH3 + 6 KMnO4 + 9 H2SO4 = 5 RbCOOH + 3 K2SO4 + 6 MnSO4 + 14 H2O
CHCl3 + NaOH = HCOONa + NaCl + H2O =>
CHCl3 + 4 NaOH = HCOONa + 3 NaCl + 2 H2O
Al + HNO3 = Al3{+} + NO3{-} + H2 =>
6 Al + 2 HNO3 = 2 Al3{+} + 2 NO3{-} + H2
S8 + O2 = SO3 =>
S8 + 12 O2 = 8 SO3
NaOH + Si = NaSi + Na2SiO3 + H2O =>
6 NaOH + 5 Si = 4 NaSi + Na2SiO3 + 3 H2O
Na2CO3Cu(SO4) = Na2(SO4)Cu(CO3) =>
Na2CO3Cu(SO4) = Na2(SO4)Cu(CO3)
K2Cr2O7 + KI + HCl + Na2S2O3 = CrCl3 + KCl + H2O + NaI + Na2S4O6 =>
K2Cr2O7 + 6 KI + 14 HCl + 6 Na2S2O3 = 2 CrCl3 + 8 KCl + 7 H2O + 6 NaI + 3 Na2S4O6
K + H2O(l) = KOH(aq) + H2(g) =>
2 K + 2 H2O(l) = 2 KOH(aq) + H2(g)
Mg + NH4NO3 = Mg*NH4NO3 =>
Mg + NH4NO3 = Mg*NH4NO3
Si + NaOH = NaSiO + H2 =>
2 Si + 2 NaOH = 2 NaSiO + H2
H2SO4 + Ba(OH)2 = BaSO4 + HOH =>
H2SO4 + Ba(OH)2 = BaSO4 + 2 HOH
NaCl + CaO = CaCl2Na2O =>
2 NaCl + CaO = CaCl2Na2O
Al(OH)3 + (NH4)2S = Al2S3 + NH3 + H2O =>
2 Al(OH)3 + 3(NH4)2S = Al2S3 + 6 NH3 + 6 H2O
NaOH + Si = NaSi + Na2SiO3 + H2O =>
6 NaOH + 5 Si = 4 NaSi + Na2SiO3 + 3 H2O
H2PO4 + Li = LiH2PO4 =>
H2PO4 + Li = LiH2PO4
I(l) + Fe(s) = Fe3I2 =>
2 I(l) + 3 Fe(s) = Fe3I2
Fe + H2Cl2 = FeCl3 + H =>
2 Fe + 3 H2Cl2 = 2 FeCl3 + 6 H
Si + NaOH = Si(OH)4 + Na =>
Si + 4 NaOH = Si(OH)4 + 4 Na
C2H2 + NaBr = Na2C2 + HBr =>
C2H2 + 2 NaBr = Na2C2 + 2 HBr
MnO4{-} + H3O{+} + S2O3{2-} = Mn{2+} + H2O + SO4{2-} =>
8 MnO4{-} + 14 H3O{+} + 5 S2O3{2-} = 8 Mn{2+} + 21 H2O + 10 SO4{2-}
HK = KH =>
HK = KH
Si + NaOH = SiO2 + Na + H2 =>
Si + 2 NaOH = SiO2 + 2 Na + H2
CH3CH2OHO2 = H2OCH3COOH =>
CH3CH2OHO2 = H2OCH3COOH
Ag(No3)3 + Al = Al(No3) + Ag =>
Ag(No3)3 + 3 Al = 3 Al(No3) + Ag
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