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| No. | Marks | |-----|-------| | 1. – For 1 mol of a gas with (a = 1.36;\textPa·m^6) and (b = 3.18\times10^-5;\textm^3), calculate the pressure at (T = 300;\textK) and (V = 2.5\times10^-2;\textm^3). Compare with the ideal‑gas pressure and comment on the deviation. | 10 | | 2. Reaction equilibrium – At 500 K the equilibrium constant for (\mathrmA(g) + 2B(g) \rightleftharpoons C(g)) is (K_p = 4.2). If the initial partial pressures are (p_\mathrmA = 0.30;\textatm), (p_\mathrmB = 0.50;\textatm), and (p_\mathrmC = 0), determine the equilibrium partial pressures. | 10 | | 3. Statistical thermodynamics – For a linear rigid rotor with rotational constant (B = 1.5;\textcm^-1), compute the rotational partition function (q_\textrot) at 298 K. Use the high‑temperature approximation and give the numerical value. | 8 | | 4. Quantum tunnelling – A particle of mass (m = 9.11\times10^-31;\textkg) encounters a rectangular barrier of height (V_0 = 5;\texteV) and width (a = 0.3;\textnm). Estimate the transmission probability using the WKB approximation for an incident energy of (E = 1;\texteV). | 12 | | 5. Molecular dynamics – In a Lennard‑Jones simulation the reduced temperature is (T^* = 1.2). If the time step is (\Delta t^* = 0.005) (in reduced units), calculate the real‑time step in femtoseconds for argon ((\sigma = 3.4;\textÅ), (\varepsilon/k_B = 119.8;\textK), (m = 39.95;\textu)). | 5 |

Visualizing molecular behavior is crucial, and the updated graphics provide better clarity on abstract concepts like wavefunctions and entropy. The Value of the Solutions Manual atkins physical chemistry 11th edition solutions pdf

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is an essential companion for students navigating the complexities of thermodynamics, quantum mechanics, and kinetics. Authored by a team from the University of Cambridge, including James Keeler and Peter Bolgar, the manual provides structured guidance to reinforce the principles found in the parent textbook. De Boeck Supérieur Key Features of the 11th Edition Solutions If the initial partial pressures are (p_\mathrmA = 0

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Answer each question in . Show the key steps; full derivations are not required.