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2 Al3(s) + 18 HCl(ac) = 6 AlCl3 + 9 H2
C2H2 + O2 = CO2 + H2O =>
2 C2H2 + 5 O2 = 4 CO2 + 2 H2O
H3BO3 + Na2B4O7 = H2B4O7 + Na3BO3 =>
2 H3BO3 + 3 Na2B4O7 = 3 H2B4O7 + 2 Na3BO3
CH3Cl + CH3CH2NH2 = CH3NH2 + CH3CH2Cl =>
CH3Cl + CH3CH2NH2 = CH3NH2 + CH3CH2Cl
AgNO3(aq) + CuSO4(aq) = AgSO4(s) + CuNO3(aq) =>
AgNO3(aq) + CuSO4(aq) = AgSO4(s) + CuNO3(aq)
Al + H2SO4 = Al2(SO4)6 + H2 =>
2 Al + 6 H2SO4 = Al2(SO4)6 + 6 H2
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
K2CO3(at) + CH3CO2H(aq) = KCH3CO2(aq) + CO2(g) + H2O(l) =>
K2CO3(at) + 2 CH3CO2H(aq) = 2 KCH3CO2(aq) + CO2(g) + H2O(l)
XCoCl2 + Na2CO3 = XCoCO3 + NaCl =>
XCoCl2 + Na2CO3 = XCoCO3 + 2 NaCl
Fe(ClO)2 + K2S = FeS + KClO =>
Fe(ClO)2 + K2S = FeS + 2 KClO
Ca2 + H2 = Ca2H4 =>
Ca2 + 2 H2 = Ca2H4
B2O3 + NaOH = Na3BO3 + H2O =>
B2O3 + 6 NaOH = 2 Na3BO3 + 3 H2O
Ba(NO3)2 + Ba(OH)2 = Ba + NO3(OH) =>
Ba(NO3)2 + Ba(OH)2 = 2 Ba + 2 NO3(OH)
CHOOH + O2 = CO2 + H2O =>
2 CHOOH + O2 = 2 CO2 + 2 H2O
Al(OH) + Mg = Mg(OH) + Al =>
Al(OH) + Mg = Mg(OH) + Al
NO2 + CO = NO + CO2 =>
NO2 + CO = NO + CO2
C2H2 + O2 = CO2 + H2O =>
2 C2H2 + 5 O2 = 4 CO2 + 2 H2O
Na2CO3(aq) + AgNO3(aq) = Na2NO3(aq) + CO3Ag(s) =>
Na2CO3(aq) + AgNO3(aq) = Na2NO3(aq) + CO3Ag(s)
Na2CO3 + Mg(NO3)2 = MgCO3 + NaNO3 =>
Na2CO3 + Mg(NO3)2 = MgCO3 + 2 NaNO3
HNH3 + O2 = N2 + H2O =>
2 HNH3 + 2 O2 = N2 + 4 H2O
Hg(CN)2 = Hg + CN =>
Hg(CN)2 = Hg + 2 CN
PbSO4 + K2Cr2O7 + H2O = PbCrO4 + H2SO4 + K2SO4 =>
2 PbSO4 + K2Cr2O7 + H2O = 2 PbCrO4 + H2SO4 + K2SO4
FeSO3 = Fe2 + SO3 =>
2 FeSO3 = Fe2 + 2 SO3
HCl + MnO2 = Cl2 + MnCl2 + H2O =>
4 HCl + MnO2 = Cl2 + MnCl2 + 2 H2O
Cu2O + O2 = CuO =>
2 Cu2O + O2 = 4 CuO
Cr5Si3C + Cr3C2 = Cr7C + CSi =>
11 Cr5Si3C + 19 Cr3C2 = 16 Cr7C + 33 CSi
NaCl(aq) + F2(aq) = NaF(aq) + Cl2(g) =>
2 NaCl(aq) + F2(aq) = 2 NaF(aq) + Cl2(g)
LiNO3 + CaBr2 = Ca(NO3)2 + LiBr =>
2 LiNO3 + CaBr2 = Ca(NO3)2 + 2 LiBr
SO2 + O2 = SO3 =>
2 SO2 + O2 = 2 SO3
Cr2O7 + S2O3 = Cr + SO2 =>
Cr2O7 + 7 S2O3 = 2 Cr + 14 SO2
KI(ac) + Cl2(ac) = KCl + I2(ac) =>
2 KI(ac) + Cl2(ac) = 2 KCl + I2(ac)
C3H8(g) + O2(g) = C02(g) + H2O(l) =>
2 C3H8(g) + 4 O2(g) = 3 C02(g) + 8 H2O(l)
Ca + O2 = CaO =>
2 Ca + O2 = 2 CaO
K(s) + MgBr2(aq) = KBr + Mg =>
2 K(s) + MgBr2(aq) = 2 KBr + Mg
H2Se + HPO3 = H2SeO4 + PO + H2O =>
3 H2Se + 8 HPO3 = 3 H2SeO4 + 8 PO + 4 H2O
Ca + H2SO4(k) = CaSO4 + H2S + H2O =>
4 Ca + 5 H2SO4(k) = 4 CaSO4 + H2S + 4 H2O
Mg + K2SO4 = K2 + MgSO4 =>
Mg + K2SO4 = K2 + MgSO4
Cs + P = Cs3P =>
3 Cs + P = Cs3P
CI + KI = KCI + I = =>
CI + KI = KCI + I
NiHSO4 + KOH = K2SO4 + NiOH + H2O =>
NiHSO4 + 2 KOH = K2SO4 + NiOH + H2O
I2 + O2 = IO =>
I2 + O2 = 2 IO
AgBr(s) = Ag(s) + Br2(l) =>
2 AgBr(s) = 2 Ag(s) + Br2(l)
Fe + CuSO4 = Fe(SO4)Cu =>
Fe + CuSO4 = Fe(SO4)Cu
Cr2(SO4)3 + Na2CO3 = Na2Cr2O4 + Na2SO4 + CO2 =>
Cr2(SO4)3 + 4 Na2CO3 = Na2Cr2O4 + 3 Na2SO4 + 4 CO2
Fe + HBr(ac) = FeBr3 + H2 =>
2 Fe + 6 HBr(ac) = 2 FeBr3 + 3 H2
HCl + MnO2 = Cl2 + MnCl2 + H2O =>
4 HCl + MnO2 = Cl2 + MnCl2 + 2 H2O
P + H2SO4 = H3PO4 + SO2 + H2O =>
2 P + 5 H2SO4 = 2 H3PO4 + 5 SO2 + 2 H2O
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
H3PO2 + KMnO4 + HCl = H3PO4 + KCl + MnCl + H2O =>
3 H3PO2 + 2 KMnO4 + 4 HCl = 3 H3PO4 + 2 KCl + 2 MnCl + 2 H2O
KI(ac) + Cl2(ac) = KCl + I2(ac) =>
2 KI(ac) + Cl2(ac) = 2 KCl + I2(ac)
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