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2 K + H2SO4 = K2SO4 + H2
CaS + Zn(NO3) = ZnS + Ca(NO3) =>
CaS + Zn(NO3) = ZnS + Ca(NO3)
FeCl3 + BaOH2 = BaCl3 + FeOH2 =>
FeCl3 + BaOH2 = BaCl3 + FeOH2
CuSO4 + Na2SO3 + KI = CuI + K2SO4 + Na2S4O6 + NaI =>
6 CuSO4 + 10 Na2SO3 + 24 KI = 6 CuI + 12 K2SO4 + Na2S4O6 + 18 NaI
Ae + Ce2 = AeCe3 =>
2 Ae + 3 Ce2 = 2 AeCe3
Ca(C2H3O2)2 = Ca + CH3COO =>
Ca(C2H3O2)2 = Ca + 2 CH3COO
Mg(s) + H2O = Mg(OH)2 + H2(g) =>
Mg(s) + 2 H2O = Mg(OH)2 + H2(g)
KI + Pb(CH3COOH)2 = PbI2 + KCH3COOH =>
2 KI + Pb(CH3COOH)2 = PbI2 + 2 KCH3COOH
C6H5CHO + C4H5N + O2 = C44H30N4 + H2O =>
8 C6H5CHO + 8 C4H5N + 3 O2 = 2 C44H30N4 + 14 H2O
KBr + Ba(OH)2 = KOH + BaBr2 =>
2 KBr + Ba(OH)2 = 2 KOH + BaBr2
CaO + H2O = Ca(OH)2 =>
CaO + H2O = Ca(OH)2
Zn(s) + CdBr2(aq) = Cd(s) + ZnBr2(aq) =>
Zn(s) + CdBr2(aq) = Cd(s) + ZnBr2(aq)
H{+} + MnO4{-} + C6H5CH2OH = Mn{2+} + C6H5COOH + H2O =>
12 H{+} + 4 MnO4{-} + 5 C6H5CH2OH = 4 Mn{2+} + 5 C6H5COOH + 11 H2O
K2Cr2O7 + KI + HCl = I2 + CrCl3 + H2O + KCl =>
K2Cr2O7 + 6 KI + 14 HCl = 3 I2 + 2 CrCl3 + 7 H2O + 8 KCl
P + S = P3S5 =>
3 P + 5 S = P3S5
Cr207 = Cr2 =>
2 Cr207 = 207 Cr2
K2SO4 + Cu(ClO3)2 = CuSO4 + KClO3 =>
K2SO4 + Cu(ClO3)2 = CuSO4 + 2 KClO3
C4H10 + O2 = CO2 + H2O =>
2 C4H10 + 13 O2 = 8 CO2 + 10 H2O
CH3COONa + Na2S2O7 = Na2SO4 + (CH3CO)2O =>
2 CH3COONa + Na2S2O7 = 2 Na2SO4 + (CH3CO)2O
K2CO3 + MnCl2 = Mn(CO3) + KCl =>
K2CO3 + MnCl2 = Mn(CO3) + 2 KCl
P + NH4NO3 = H3PO4 + N2 + H2O =>
2 P + 5 NH4NO3 = 2 H3PO4 + 5 N2 + 7 H2O
Ca(OH)2 + Mg(NO3)2 = Mg(OH)2 + Ca(NO3)2 =>
Ca(OH)2 + Mg(NO3)2 = Mg(OH)2 + Ca(NO3)2
HOAc + Ba(OH)2 = Ba(OAc)2 + H2O =>
2 HOAc + Ba(OH)2 = Ba(OAc)2 + 2 H2O
H2SO4 + NaOH = Na2SO4 + H2O =>
H2SO4 + 2 NaOH = Na2SO4 + 2 H2O
P + NH4NO3 = P2O5 + N2 + H2O =>
2 P + 5 NH4NO3 = P2O5 + 5 N2 + 10 H2O
H4C2O2 + NaOH = NaC2H3O2 + H2O =>
H4C2O2 + NaOH = NaC2H3O2 + H2O
H2CO3(aq) + Ca(OH)2(s) = H2O(l) + CaCO3(s) =>
H2CO3(aq) + Ca(OH)2(s) = 2 H2O(l) + CaCO3(s)
Ca[HCO3]2 + HCl = CaCl2 + CO2 + H2O =>
Ca[HCO3]2 + 2 HCl = CaCl2 + 2 CO2 + 2 H2O
NH4NO3 = N2O + H2O =>
NH4NO3 = N2O + 2 H2O
CH4N2O + H3PO4 + C6H8O7 = C3H8NO5P + H2O + CO2 =>
3 CH4N2O + 6 H3PO4 + 4 C6H8O7 = 6 C3H8NO5P + 7 H2O + 9 CO2
CaCO3 = CaO + CO2 =>
CaCO3 = CaO + CO2
C2H5OH + CrO3 + H2SO4 = C2H4O + Cr2(SO4)3 + H2O =>
3 C2H5OH + 2 CrO3 + 3 H2SO4 = 3 C2H4O + Cr2(SO4)3 + 6 H2O
CaSO4 + Ca(OH)2 = (CaOH)2SO4 =>
CaSO4 + Ca(OH)2 = (CaOH)2SO4
CH3(CH2)7CHCH(CH2)7COO + O2 = CO2 + H2O =>
4 CH3(CH2)7CHCH(CH2)7COO + 101 O2 = 72 CO2 + 66 H2O
Cu(ii) + AgNO3 = Ag + Cu(NO3)2 =>
Cu(ii) + 2 AgNO3 = 2 Ag + Cu(NO3)2
CH2(OH)CH(OH)CH2(OH) + O2 = CO2 + H2O =>
2 CH2(OH)CH(OH)CH2(OH) + 7 O2 = 6 CO2 + 8 H2O
C6H5COOHNO2 + SOCl2 = C6H5COClNO2 + HCl + SO2 =>
C6H5COOHNO2 + SOCl2 = C6H5COClNO2 + HCl + SO2
HC2H3O2 + NaOH = NaC2H3O2 + H2O =>
HC2H3O2 + NaOH = NaC2H3O2 + H2O
Zn + HCl = ZnCl2 + H2 = =>
Zn + 2 HCl = ZnCl2 + H2
HNO3 + AgOH = AgNO3 + H2O =>
HNO3 + AgOH = AgNO3 + H2O
K2Cr2O7 + SnCl + HCl = CrCl3 + SnCl4 + KCl + H2O =>
K2Cr2O7 + 2 SnCl + 14 HCl = 2 CrCl3 + 2 SnCl4 + 2 KCl + 7 H2O
Ca + I = Ca2I =>
2 Ca + I = Ca2I
NH4 + H2SO4 = NH6SO4 =>
NH4 + H2SO4 = NH6SO4
Mg(OH)2 + NHO3 = Mg(NO3)2 + H2O =>
Mg(OH)2 + 2 NHO3 = Mg(NO3)2 + 2 H2O
NaClO + NaBr + H2SO4 = Br2 + NaCl + Na2SO4 + H2O =>
NaClO + 2 NaBr + H2SO4 = Br2 + NaCl + Na2SO4 + H2O
BaO = O2 + Ba2 =>
2 BaO = O2 + Ba2
K3PO4 + HCI = KCI + H3PO4 =>
K3PO4 + 3 HCI = 3 KCI + H3PO4
Ca(C2H3O2)2 = Ca + CH3COO =>
Ca(C2H3O2)2 = Ca + 2 CH3COO
N2O + FeO = N2 + Fe2O3 =>
N2O + 2 FeO = N2 + Fe2O3
FeCO3 + HI = FeI2 + CO2 + H2O =>
FeCO3 + 2 HI = FeI2 + CO2 + H2O
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