All isotopes have the same number of protons and the same number of electrons. Because the electron structure is the same isotopes have the same chemical properties.
The answer is heat, water has a high specific heat and is able to carry a lot of energy.
Answer: mass of SO2 is 160 g
Explanation: according to equation number of moles of SO2
Is same as amount of Oxygen, also 2.5 moles.
Molar mass of SO2 is 32.07 +2·16 = 64.07 g/mol
Mass is m= nM = 2.5 mol· 64.07 g/mol= 160.175 g
Answer:
Kf = 8.4 x 10²⁶
Explanation:
H₂S(aq) ⇌ HS⁻(aq) + H⁺(aq)
K1 = [HS⁻] [H⁺] / [H₂S]
K1 = 9.76×10−8
9.76×10−8 = [HS⁻] [H⁺] / [H₂S]
HS⁻(aq) ⇌ S²⁻(aq) + H⁺(aq)
K2 = 1.22×10−19
K2 = [S²⁻] [H⁺] / [HS⁻]
S²⁻ (aq) + 2H⁺(aq) ⇌ H₂S(aq)
Kf = [H₂S] /[S²⁻] [H⁺]²
To obtain the value of Kf, the relationship between Kf, k1 and k2 have to be determined;
K1K2 = ( [HS⁻] [H⁺] / [H₂S]) * [S²⁻] [H⁺] / [HS⁻]
K1K2 = [H⁺]² [S²⁻] / [H₂S]
K1K2 = 1 / Kf
Kf = 1 / (K1K2)
Kf = 1 / (9.76×10⁻⁸ * 1.22×10⁻¹⁹)
Kf = 1 / (11.91 x 10-27)
Kf = 0.084 x 10²⁸
Kf = 8.4 x 10²⁶
