Consider a container with a frictionless piston that contains a given amount of an ideal gas. If the external pressure is kept constant, the piston will move up or down in response to a change in the internal pressure. The piston will move up if Pint > Pext and vice versa. The piston will stop moving whenPint Pext (the system is equilibrated).=The container has 0.8 mol of an ideal gas initially at 24 °C and the system is in equilibrium with an external pressure of 1.2 bar. The gas is slowly heated to a final temperature of 305 °C. During this process, the piston is allowed to move if necessary to keep the system at equilibrium (thatis, the internal pressure is allowed to match the external pressure at all times). The molar heat capacity at constant volume Cum of this ideal gas is 2.5 R.▼ Part A - Calculate the initial volume of the gas.▼Express your answer in m³ with 3 significant figures.The margin of error for this answer is 2%.V₂ = 0.0219| ΑΣΦSubmit Previous Answers Request Answer* Incorrect; Try Again; 4 attempts remainingPart B - Calculate the final volume of the gas.V₁ =→ C 1Express your answer in M23³ with 3 significant figures.The margin of error for this answer is 2%.ΕΠΙΑΣΦSubmitRequest AnswerW =@?Part C- Calculate w, the work involved in the process.?1 → O ⓇExpress your answer in kJ with 3 significant figures. Pay attention to the sign! Remember to use the sign convention introduced in the class.The margin of error for this answer is 2%.| ΑΣΦm²?m.³KJ ▼Part D- Calculate q, the amount of heat exchanged in the process.Express your answer in kJ with 3 significant figures. Be careful with signs!The margin of error for this answer is 2%.ΠΙΑΣΦ9 =SubmitRequest AnswerPart E - Calculate the change in internal energy.ΔU =SubmitAExpress your answer in kJ with 3 significant figures. Pay attention to the sign!The margin of error for this answer is 2%.VD] ΑΣΦ 6Request Answer?kJ?

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Consider a container with a frictionless piston that contains a given amount of an ideal gas. If the external pressure is kept constant, the piston will move up or down in response to a change in the internal pressure. The piston will move up if PP and vice versa. The piston will stop moving when Pintext (the system is equilibrated). The container has 0.8 mol of an ideal gas initially at 24 °C and the system is in equilibrium with an external pressure of 1.2 bar. The gas is slowly heated to a final temperature of 305 °C. During this process, the piston is allowed to move if necessary to keep the system at equilibrium (that is, the internal pressure is allowed to match the external pressure at all times). The molar heat capacity at constant volume Cem of this ideal gas is 2.5 R. Part A-Calculate the initial volume of the gas. Express your answer in m² with 3 significant figures. The margin of error for this answer is 2% VAX 13? V, 0.0219 Submit Previous Answers Request Answer X Incorrect; Try Again; 4 attempts remaining ▾ Part B-Calculate the final volume of the gas. Express your answer in 12 with 3 significant figures. The margin of error for this answer is 2%. ΑΣΦΑ Η + → CIE ? m²

Consider a container with a frictionless piston that contains a given amount of an ideal gas. If the external pressure is kept constant, the piston will move up or down in response to a change in the internal pressure. The piston will move up if PP and vice versa. The piston will stop moving when Pintext (the system is equilibrated). The container has 0.8 mol of an ideal gas initially at 24 °C and the system is in equilibrium with an external pressure of 1.2 bar. The gas is slowly heated to a final temperature of 305 °C. During this process, the piston is allowed to move if necessary to keep the system at equilibrium (that is, the internal pressure is allowed to match the external pressure at all times). The molar heat capacity at constant volume Cem of this ideal gas is 2.5 R. Part A-Calculate the initial volume of the gas. Express your answer in m² with 3 significant figures. The margin of error for this answer is 2% VAX 13? V, 0.0219 Submit Previous Answers Request Answer X Incorrect; Try Again; 4 attempts remaining ▾ Part B-Calculate the final volume of the gas. Express your answer in 12 with 3 significant figures. The margin of error for this answer is 2%. ΑΣΦΑ Η + → CIE ? m²

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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Finding Kpo and AG from the Equilibrium Composition EXERCISE: If 0.1500 mol of O₂(g) is placed in an empty container and equilibrium is reached at 3700 K and 895 torr, one finds that 0.1027 mol of O₂(g) is present. Find Ko and AG for O₂(g) ⇒ 2 O₂(g) at 3700 K. Assume ideal gases. ANSWERS: 0.634, 14.0 kJ/mol.
What are the values of q, w, AU, AH, AS, ASsurr, and ASuniv for the following a constant pressure process for a system containing 0.356 moles of CH3OH ? CH3OH(I, 22.0 °C, 1.00 atm) → CH3OH(g, 125.0 °C, 1.00 atm) Assume that the volume of CH3OH(I) is much less than that of CH3OH(g) and that CH3OH(g) behaves as an ideal gas. Also, assume that the temperature of the surroundings is 125.0 °C. Data: Molar heat capacity for CH3OH(I), Cp,m = 81.1 J K¯¹ mol-¹ Molar heat capacity for CH3OH(g), Cp,m = 44.1 J K¯¹ mol-¹ Enthalpy of vaporization, AvapH = 35.2 kJ mol-¹ at 64.7 °C and 1.00 atm Enter answers that are accurate to three (3) or more significant figures. q= Number J W= Number J AU= Number J ΔΗ= Number J JK-1 AS = Number ASsurr = ASuniv = Number JK-1 JK-1 Number Submit Assignment Quit & Save Back Question Menu Next
A sample of an ideal gas in a cylinder of volume 3.83 L3.83 L at 298 K298 K and 2.26 atm2.26 atm expands to 8.10 L8.10 L by two different pathways. Path A is an isothermal, reversible expansion. Path B has two steps. In the first step, the gas is cooled at constant volume to 1.45 atm1.45 atm . In the second step, the gas is heated and allowed to expand against a constant external pressure of 1.45 atm1.45 atm until the final volume is 8.10 L8.10 L . Calculate the work for path B.
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Two ideal gas systems undergo reversible expansion under different conditions starting from the same P and V. At the end of the expansion, both systems have the same volume, but one has a lower pressure than the other. Provide an explanation for this difference by describing how the two processes could have differed.
Consider the following reaction where Ke = 10.5 at 350 K. 2CH₂Cl₂ (9) CH4 (9) + CCl4 (9) A reaction mixture was found to contain 0.0115 moles of CH₂Cl₂ (g), 0.0238 moles of CH₁ (g), and 0.0446 moles of CCl4 (g). in a 1.00 liter container. Calculate Qe ac Important values if needed for this question. Is the reaction at equilibrium? If not, what direction must it run in order to reach equilibrium? O The reaction must run in the forward direction to reach equilibrium. The reaction must run in the reverse direction to reach equilibrium. OThe reaction is at equilibrium. Submit Answer Retry Entire Group 4 more group attempts remaining
The decomposition of potassium chlorate produces oxygen gas: 2 KClO3(g) \rightarrow→ 2 KCl(s) + 3 O2(g) What volume of O2(g) (in liters) is produced by the decomposition of 178.9 g of KClO3(s) at T = 298 K and P = 1.00 atm? Given molar masses: KClO3: 122.55 g/mol; KCl: 74.551 g/mol; O2: 31.999 g/mol Enter the numerical value (no units) using 3 significant figures. Answer value
1mol ideal gas starting from 350K，200 kPa go through the following two processes to equilibrium. Calculate W.a) Expand reversibly under constant temperature until P=50 kPa;b) Expand irreversibly under constant temperature and constant pressure (50 kPa).
In which of the following processes is AH = AU? Two moles of hydrogen iodide gas react to form hydrogen gas and iodine gas in a 40-L container. O Calcium carbonate is heated to form calcium oxide and carbon dioxide in a container with variable volume. One mole of solid carbon dioxide sublimes to the gas phase. O One gram of water is vaporized at 100°C and 1 atm. O Two moles of ammonia gas are cooled from 325°C to 300°C at 1.2 atm
contains 0.550 bar H2(g)0.550 bar H2(g) , 0.491 bar N2(g)0.491 bar N2(g) , and 0.121 bar Ar(g)0.121 bar Ar(g) . Calculate the mole fraction, ?χ , of each of these gases.
Calculate q, DeltaU, DeltaH, and w from the given information.
What is AG (in kJ) for 2 SO2(g) + O2lg) 2 SO3(g) at 700 K, under standard conditions of 1 bar partial pressure for all gases, given that K = 3.0x104 at 700 K? O0.0 -36 O-60. +36 O +60.