2. (a) H2O (g) obeys the truncated viral equation of state given below at 400 K and up to 100 bar pressure.nRT n°RTB(T)P =VCalculate the amount of work done as 2.00 mol of H2O (g) expands reversibly and isothermally from 2.00to 50.0 dm³ at 400 K with B(T) = B(400 K) =-356 cm³ mol.(b) An ideal gas is expanded reversibly and isothermally. Decide which of q, w, AU, and AH are 0, positive,or negative.

The gas equation pertains to the ideal gas molecules is that relates pressure (P), volume (V),…

Answered: 2. (a) H2O (g) obeys the truncated…

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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Ammonia (an ideal gas) is containted in a 1.5 cubic meter piston. Initially it is 200 kPa, 20C but it is compressed to 40C (at a constant pressure). During this process, 1500 kJ of heat is rejected to the 20C surrounding and 750 kJ of work is done Is this process possible?
(a) Calculate the final temperature of a sample of CO2 of mass 16.0 g that is expanded reversibly and adiabatically from 500 cm at 298.15 K to 2. 00 dm³ if Cp.m is equal to 37.11 J K' mol'. Tr=Ti (Vi/Vr)"C
Please provide detailed solution and give the explanation of the concept
3. Derive the thermodynamic equation of state for an ideal gas starting from internal energy then express this equation in a form without differentials. = -P +T| T LƏT.
Consider a system consisting of 2.0 mol CO₂(g), initially at 25°C and 10 atm and confined to a cylinder of cross-section 10 cm³. It is allowed to have moved outwards through 20 cm. Assume that carbon dioxide may be considered a perfect gas with Cvm = 28.8 J K-1 mol-1 and calculate (a) q (b) w (c) ΔU (d) AT (e) AS
Suppose a piece of solid lead weighing 41.3 g at a temperature of 312 °C is placed in 413 g of liquid lead at a temperature of 374 °C. Calculate the temperature after thermal equilibrium is reached, assuming no heat loss to the surroundings. The enthalpy of fusion of solid lead is AH fus = 4.77 kj mol¹ at its melting point of 328 °C, and the molar heat capacities cp of solid and liquid lead are 26.9 and 28.6 J K¹ mol-¹, respectively. (Enter your answer to three significant figures.) T₁= Jc Submit Answer Try Another Version 1 item attempt remaining
Q3) Thermodynamic Processes- 2.0 mol of a diatomic ideal gas undergoes a process in which it is compressed very slowly from state a (V. = 3.0 m³, P, = 1000 Pa) to state b (V, = 1.0 m³), in such a way that the system maintains thermal equilibrium with its surroundings at all times. P (Pa) 3000 2000 A. Find the change in internal energy during the process. 1000 B. Find the final pressure of the gas. 1 3 4 V(m³) C. Find the work done by the piston on the gas during this process. (Hint: Since Pis not constant during this process, it doesn't come out of the integral. Use the ideal gas law to find an expression for Pin terms of constants and the integration variable V) D. So what's the work done by the gas on the piston during this process? E. How much heat – if any - was transferred between the gas and surroundings during this process? Did heat flow from the gas to the surroundings or from the surroundings to the gas? Explain your reasoning. F. At the end of the process, is the average…
(a) Suppose that attractions are the dominant interaction between gas molecules, and the equation of state is p = nRT/V – n2a/V2. Determine the work (W(non-ideal gas)) of reversible, isothermal expansion of such a gas from initial volume V (initial) = 20.0 L to final volume V(final) = 40.0 L if n = 2.00 mol, T = 300 K, and a = 3.621 atm-L2/mol2. Watch your units. (b)Determine the work (W(ideal gas) of reversible, isothermal expansion of an ideal gas from initial volume V (initial) = 20.0 L to final volume V(final) = 40.0 L if n = 2.00 mol and T = 300 K. (c) Show the difference W(non-ideal) – W(ideal). If all your calculations are done correctly, this result shows you the effect of attractive interaction between gas particles on the work done by the system.
A sample consisting of 1.00 mol Ar is expanded isothermally at 20 degrees celsius from 10 dm^3 to 30dm^3 (a) reversibly, (b) against a constant external pressure equal to the final pressure of the gas, and (c) freely aka - against zero external pressure. For the three processes calculate q,w, and delta U
2. A7.0 x 102 mol sample of Kr (g) expands reversibly and isothermally at 373 K from 5.25 mL to 6.29 mL and the internal energy of the sample is known to increase by 83.5 J. Use the virial equation of state up to the second coefficient (where Bx --28.7 mL/mol) to calculate w, q, and AH for this change. =
2. Calculate the work done by 2.00 mol of an ideal gas contained in a piston/cylinder assembly that expands isothermally at T=25°C) reversibly and irreversibly from 1.5 to 5 L. For the irreversible case, assume Pext = 9.9 bar.

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