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CaCO3 = CaO + CO2
CaC2 + HBr = CaBr2 + C2H2 =>
CaC2 + 2 HBr = CaBr2 + C2H2
Ni(OH)2 + Br2 + NaOH = Ni(OH)3 + NaBr = =>
2 Ni(OH)2 + Br2 + 2 NaOH = 2 Ni(OH)3 + 2 NaBr
Pb + HCl = PbCl3 + H2 =>
2 Pb + 6 HCl = 2 PbCl3 + 3 H2
CH3COONH4 + HCl = NH4Cl + CH3COOH =>
CH3COONH4 + HCl = NH4Cl + CH3COOH
Sn(NO2)4 + Pt3N4 = Sn3N4 + Pt(NO2)4 =>
3 Sn(NO2)4 + Pt3N4 = Sn3N4 + 3 Pt(NO2)4
Fe + AlNO4 = FeNO4 + Al3 =>
3 Fe + 3 AlNO4 = 3 FeNO4 + Al3
(NH4)CO3 + HCl = NH4Cl + HCO3 =>
(NH4)CO3 + HCl = NH4Cl + HCO3
Barium + Sulfur = BaS =>
Ba + S = BaS
Br7 + N2 = BrN =>
2 Br7 + 7 N2 = 14 BrN
Pb + PbO2 + H2SO4 = PbSO4 + H2O =>
Pb + PbO2 + 2 H2SO4 = 2 PbSO4 + 2 H2O
Ag + Cr = AgCr3 =>
Ag + 3 Cr = AgCr3
Zn(OH)2 + HNO3 = Zn(NO3)2 + H2O =>
Zn(OH)2 + 2 HNO3 = Zn(NO3)2 + 2 H2O
H2SO4 + Pb + PbO2 = PbSO4H2O =>
2 H2SO4 + Pb + PbO2 = 2 PbSO4H2O
C5H5N5 + O2 = CO2 + N2 + H2O =>
4 C5H5N5 + 25 O2 = 20 CO2 + 10 N2 + 10 H2O
K3PO4HCl = K3ClHPO4 =>
K3PO4HCl = K3ClHPO4
KCIO3 = KCI + O2 =>
2 KCIO3 = 2 KCI + 3 O2
CuS + KCl = CuCl2 + K2S =>
CuS + 2 KCl = CuCl2 + K2S
K + B2O3 = K2O + B =>
6 K + B2O3 = 3 K2O + 2 B
K + Cl2 = KCl =>
2 K + Cl2 = 2 KCl
H2 + F2 = HF =>
H2 + F2 = 2 HF
Al(OH)3 + HCl = AlCl3 + H2O =>
Al(OH)3 + 3 HCl = AlCl3 + 3 H2O
HCNK = KCNH =>
HCNK = KCNH
Al(OH)3 + HCl = AlCl3 + H2O =>
Al(OH)3 + 3 HCl = AlCl3 + 3 H2O
Cu(NH3)4 = Cu + NH3 =>
Cu(NH3)4 = Cu + 4 NH3
K2CrO4 + NaOH = K(OH) + Na2CrO4 =>
K2CrO4 + 2 NaOH = 2 K(OH) + Na2CrO4
Cu2S + H2O = Cu + SO4 + H =>
Cu2S + 4 H2O = 2 Cu + SO4 + 8 H
C17H35COOH + HBr = C17H33COOBr + H2 =>
C17H35COOH + HBr = C17H33COOBr + 2 H2
Ca3(PO4)2 + C + SiO2 = P + CaSiO3 + CO2 =>
2 Ca3(PO4)2 + 5 C + 6 SiO2 = 4 P + 6 CaSiO3 + 5 CO2
HBr + Na = NaBr + H2 =>
2 HBr + 2 Na = 2 NaBr + H2
CH3COONa + HNO3 = NaNO3 + CH3COOH =>
CH3COONa + HNO3 = NaNO3 + CH3COOH
(CaSO4)2H2O + KOH = H2SO4 + Ca(OH)2 + K2O =>
(CaSO4)2H2O + 6 KOH = 2 H2SO4 + 2 Ca(OH)2 + 3 K2O
CH3COONa + HNO3 = NaNO3 + CH3COOH =>
CH3COONa + HNO3 = NaNO3 + CH3COOH
SCl2 + H2O = Cl2O + H2S =>
SCl2 + H2O = Cl2O + H2S
Al2(OH)3Cl3 + HCl = AlCl3 + H2O =>
Al2(OH)3Cl3 + 3 HCl = 2 AlCl3 + 3 H2O
ZnF2 + Ca(oh)2 = CaF2 + Zn(oh)2 =>
2 ZnF2 + Ca(oh)2 = 2 CaF2 + Zn(oh)2
NaNO3 + H2SO4 = H2NO3 + NaSO4 =>
NaNO3 + H2SO4 = H2NO3 + NaSO4
HMnO4 + Na2OH = Na2MnO4 + H2O =>
HMnO4 + Na2OH = Na2MnO4 + H2O
Cl2CaI2 = CaCl2I2 =>
Cl2CaI2 = CaCl2I2
H2SeO3 + Cr(OH)3 = (Cr(OH)2)2SeO3 + H2O =>
H2SeO3 + 2 Cr(OH)3 = (Cr(OH)2)2SeO3 + 2 H2O
K3PO4 + CaSO4 = Ca3(PO4)2 + K2SO4 =>
2 K3PO4 + 3 CaSO4 = Ca3(PO4)2 + 3 K2SO4
Al(OH)3 + MnSO4 = Mn(OH)2 + Al2(SO4)3 =>
2 Al(OH)3 + 3 MnSO4 = 3 Mn(OH)2 + Al2(SO4)3
HF + Si = H2 + SiF4 =>
4 HF + Si = 2 H2 + SiF4
HI + MnO2 + H2SO4 = MnSO4 + I2 + H2O =>
2 HI + MnO2 + H2SO4 = MnSO4 + I2 + 2 H2O
ClO2 + S = ClO2S =>
ClO2 + S = ClO2S
KBr(aq) + CaI2(aq) = KI(s) + CaBr2(aq) =>
2 KBr(aq) + CaI2(aq) = 2 KI(s) + CaBr2(aq)
NH3 + CO2 = CO(NH2)2 + H2O =>
2 NH3 + CO2 = CO(NH2)2 + H2O
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
Cu(NO3)2 + NaOH = Cu(OH)2 + NaNO3 =>
Cu(NO3)2 + 2 NaOH = Cu(OH)2 + 2 NaNO3
Li + N2 = Li3N =>
6 Li + N2 = 2 Li3N
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