An ideal gas sealed in a rigid 3.13-L cylinder, initially at pressure Pi=12.70 atm, is cooled until the pressure in the cylinder is Pf=1.18 atm. What is the enthalpy change for this process? What is the change in internal energy for this process?

An ideal gas sealed in a rigid 3.13-L cylinder, initially at pressure Pi=12.70 atm, is cooled until the pressure in the cylinder is Pf=1.18 atm. What is the enthalpy change for this process? What is the change in internal energy for this process?

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...

See similar textbooks

Related questions

Q: CeH6ln + 15 O2(g)12 CO2(g) + 6 H20() AH = -5.854 x 10 kJ in unknown amount of CEH6() was combusted…

A: The question is based on the concept chemical thermodynamics. We have been given heat value. We…

Q: When a 4.00 g sample of KSCNKSCN is dissolved in water in a calorimeter that has a total heat…

A: Mas of KSCN = 4.00 g heat capacity = 3.83 kJ⋅K−1 change in temperature = 0.260 K

Q: Measurements show that the enthalpy of a mixture of gaseous reactants decreases by 174. kJ during a…

Q: A 40.0 g sample of an unknown metal at 99.0 °C was placed in a constant-pressure calorimeter…

A: According to thermodynamics, the heat released by the hot metal equals the heat absorbed by the…

Q: A hot air balloon is being inflated to its full extent by heating the air inside it. In the final…

A: Delta E for the process = 790 kJ

Q: 2.For a certain process, q and w are both negative. Which description below best describes what…

A: We know that: ∆E = q+w ( First Law of Thermodynamics) W = -pext ∆V

Q: Solid lithium perchlorate dissolves in water according to the equation below. LiClO4 (s) ➝ Li+ (aq)…

A: Given: mass of LiClO4 = 7.00 g mass of water = 40.0 g Initial temperature of water = 29.00 ºC…

Q: Write out the chemical reaction whose enthalpy is the heat of formation of gaseous methane, CH4.

A: Standard equation of formation is equation represents formation of one mole compound from its…

Q: When gasoline burns in an automobile engine, the heat released (301 J) causes the products CO2 and…

Q: 6. How much work is needed in a system to expand from 25 to 50 L against a pressure of 7 atm? Is…

A: Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: The change in internal energy for a given gas-phase system is –1465 J. The system loses 455 J of…

A: The objective is to determine the final volume of gas. Given Data:Internal energy change, U is −1465…

Q: A 50.0 mL solution of 0.600 M compound A is mixed with an excess of compound B solution at 13.5° C…

A: The reaction will be written as A+ B ---> C + H2O mass of solution= 195 g Heat capacity of…

Q: Measurements show that the energy of a mixture of gaseous reactants increases by 369. kJ during a…

A: We have to calculate the change in enthalpy and nature of reaction.

Q: Consider the following reaction: 2C6H6() + 15 O2(g)- 12 CO2(g) + 6 H20() AH = -5.869 x 103 kJ An…

A: Each reaction takes place account to their stoichiometric radio and account to those things the heat…

Q: 3. In a bomb calorimeter, 0.562 g of graphite is kept in excess oxygen at 298 k. During the…

A: Answer:When graphite is burned in excess of oxygen it forms CO2 and huge amount of energy gets…

Q: A student places 50.0 mL of 1.00 M HCI and 50.0 mL of 1.00 M NaOH solutions, both at 25.5°C in a…

A: Thermochemical reaction is one that indicates the reactants and products involved in a reaction…

Q: A balanced, generic thermochemical equation is shown below. A, B, and C are substances involved in…

Q: Measurements show that the energy of a mixture of gaseous reactants increases by 397. kJ during a…

A: The energy difference between the products and reactants is known as the energy change of a…

Q: As a system in volume, it absorbs 52.5 J of energy in the form of heat from the surroundings. The…

A: The internal energy of the system can be modified by doing work on them or by adding heat to the…

Q: Measurements show that the energy of a mixture of gaseous reactants increases by 385. kJ during a…

A: We have to calculate the change in enthalpy and nature of reaction.

Q: A generic solid, X, has a molar mass of 61.8 g/mol. In a constant-pressure calorimeter, 18.6 g of X…

Q: 2. To study the possible amount of energy generated by a person, the person can be roughly viewed as…

Q: As a system increases in volume, it absorbs 50.33 of energy in the form of heat from the…

A: The internal energy of the system can be modified by doing work on them or by adding heat to the…

Q: 4. Methane burns in air to form carbon dioxide and water according to the following equation: CH +…

A: 1) When ΔH < 0, the reaction is Exothermic. When ΔH > 0, the reaction is Endothermic. 2)In…

Q: What is the change in internal energy of the system (AU) if 71 kJ of heat energy is absorbed by the…

Q: Measurements show that the energy of a mixture of gaseous reactants decreases by 158. kJ during a…

Q: ICI is a corrosive colourless gas that dissolves readily in water. Aqueous HCL reacts with NaOH to…

Q: As a system increases in volume, it absorbs 52.0 J of energy in the form of heat from the…

A: Work done (w) can be calculated as follows, 1 L atm = 101.3 J

Q: The combustion of 2.268 g of propanol (C,H,OH) increases the temperature of a bomb calorimeter from…

A: Given that : The mass of propanol = 2.268 g Initial temperature = 298.00 K Final temperature =…

Q: Under what conditions does the enthalpy change equal the heat of a process

Q: The complete combustion of propane, C 3H 8(g), is represented by the equation: C 3H 8(g) + 5 O 2(g)…

A: when the heat is evolved in a reaction then that reaction is known as exothermic reaction. The…

Q: A gas is heated by adding 30. kJ of heat to the gas. As it heats, it also expands from 30. L to 50.…

A: • The values provided in the question are:- i) Quantity of heat energy absorbed by the gas, Q = 30…

Q: Having just invented a new type of calorimeter, Dr. Cox needs to determine the heat capacity of the…

A: The mass of water = 32.502 g Temperature of empty calorimeter =25∘C Added water at temperature =…

Q: 64.36 kJ/g. A 63.61-g sample is burned in an apparatus with a calorimeter constant of 56.13 kJ/oC.…

A: Energy density = 64.36 kJ/g Mass = 63.61 g Energy= mass × energy density = 64.36 × 63.61 =…

Q: You mix 125 mL of 0.230 M with 50.0 mL of 0.575 M in a coffee-cup calorimeter, and the temperature…

Q: Which of the following is a statement of Hess's law? If a reaction is carried out in a series of…

A: Thermodynamics is branch of chemistry in which we deal with amount of heat absorbed or evolved…

Q: A scientist measures the standard enthalpy change for the following reaction to be 6.7 kJ : CO(g) +…

Q: A 54.4 g sample of quartz is put into a calorimeter (see sketch at right) that contains 150.0 g of…

Q: When a 6.00 g sample of KBr is dissolved in water in a calorimeter that has a total heat capacity of…

A: The mass of KBr is .The total heat capacity is .The decrease in temperature is .To find, the molar…

Q: Simple Calorimetry. A piece of solid aluminum at 15.0°C is immersed in 12.3 g of nitrogen gas which…

A: Heat lost by hotter N2 gas is equal to heat absorbed by the cooler solid aluminium.

Q: 50.0 mL sample of a 1.00 MM solution of CuSO4CuSO4 is mixed with 50.0 mL of 2.00 MM KOHKOH in a…

A: The given reaction is, CuSO4+2KOH→CuOH2s+K2SO4 The given volume of CuSO4 is 50 mL. Volume of KOH is…

Question

An ideal gas sealed in a rigid 3.13-L cylinder, initially at pressure P_i=12.70 atm, is cooled until the pressure in the cylinder is P_f=1.18 atm.

What is the enthalpy change for this process?

What is the change in internal energy for this process?

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

SEE SOLUTION Check out a sample Q&A here

Step 1

VIEW

Step 2

VIEW

Step by step

Solved in 2 steps with 1 images

SEE SOLUTION Check out a sample Q&A here

Similar questions

Given the standard enthalpies of formation for the following substances, determine the reaction enthalpy for the following reaction. AGran =? kJ 4A (g) + 2B (3) → 1C (g)+ 7D (g) AGi in kJ/mol Substance A (g) B (g) C(g) D (g) 76.34 + 5.24 - 55.86 - 14.55 O - 452.59 kJ/mol O + 452.59 kJ/mol O + 137.17 kJ/mol O - 141.51 kJ/mol O - 137.17 kJ/mol
A chemical reaction takes place in an open flask. The reaction releases 355 kJ of heat and does 25 kJ of work on the surroundings. Is the reaction endothermic or exothermic? Calculate ΔH for the reaction. Calculate ΔU for the reaction.
4. The reaction of 250.0 mL of a 1.00 M hydrochloric acid solution with 250.0 mL of a 1.00 M sodium hydroxide solution was carried out in a constant pressure calorimeter. The total heat capacity of the calorimeter plus solutions was 6.45 kJ/K. The temperature of the calorimeter and solutions increased by 2.11°C. What is AH (in kJ) for the neutralization of 1.00 mol HCl(aq) by NaOH(aq)? A) -54.4 B) -21.2 +12.6 +54.4 E) -12.6
A scientist measures the standard enthalpy change for the following reaction to be 209.4 kJ : CHĄ(g) + H20(g)3H2(g) + CO(g) Based on this value and the standard enthalpies of formation for the other substances, the standard enthalpy of formation of CH4(g) is kJ/mol.
A gaseous system has 71 J of work done on it by surroundings and increases its internal energy by 69 J. Calculate the amount of heat associated with this scenario. 140 J of heat is released by the system. 2 J of heat is released by the system. The heat of the system remains constant. 2 J of heat is absorbed by the system. 140 J of heat is absorbed by the system.
A gas is compressed from an initial volume of 5.70 L to a final volume of 1.24 L by an external pressure of 1.00 atm. During the compression the gas releases 125 J of heat. What is the change in internal energy of the gas?
An ideal gas sealed in a rigid 5.87-L cylinder, initially at pressure Pi=10.10 atm, is cooled until the pressure in the cylinder is Pf=1.06 atm. A) What is the enthalpy change for this process? B) What is the change in internal energy for this process?
As a system increases in volume, it absorbs 55.0 J of energy in the form of heat from the surroundings. The piston is working against a pressure of 0.540 atm. The final volume of the system is 58.2 L. What was the initial volume of the system if the internal energy of the system decreased by 103.4 J?
How many moles of butane, C4H10(l), must be burned to produce 234 kJ of heat under standard state conditions? (The heat of combustion for butane is −2855.7 kJ/mol.)
2. Consider the equation for the combustion of acetone (C₁H₂O), the main ingredient in nail polish remover. AHR -1790 kJ CHO (l)+4Oz (g) -> 3 CO, (g)+3H,O (g) If a bottle of nail polish remover contains 255 g of acetone, how much heat is released by its complete combustion?
4. When 1.00 L of 1.05 M Ba(NO3)2 solution is mixed with 1.00 L of 1.10 M NazSO4 solution at 25.0°C in a coffee-cup calorimeter. The reaction is Ba(NOs)2(aq) + NazSO4(aq) → BaSO4(s) + 2NANO:(aq). The final temperature of the mixture increases to 28.1°C. Calculate the enthalpy change per mole for this process. (Assuming C=4.18 J °C' g' and density of the final solution is 1.05 g/ml).
A scientist measures the standard enthalpy change for the following reaction to be -737.2 kJ : 2Co(g) + 2 NO(g)2CO2(g) + N2(g) Based on this value and the standard enthalpies of formation for the other substances, the standard enthalpy of formation of CO(g) is kJ/mol.