sample of methane of mass 4.50 g occupies 12.7 L at 310 K. (a) Calculate the work done when the gas expands isothermally against a constant external pressure of 200 Torr until its volume has increased by 3.3 L.   _____ J. 3 sig. number.   (b) Calculate the work that would be done if the same expansion occurred isothermally and reversibly. _______ J. 3 sig. number.

Q: Calculate the work (in kJ) when 4.34 mol of solid ammonium chloride, NH4CI, decomposes completely to…

A: Moles of NH4Cl = 4.34 mol Temperature of HCl = 1676 K  1 KiloJoule = 1000 Joule We have to find the…

Q: A certain gas expands in volume from 2.0L to 24.5L at a constant temperature. Calulate the work done…

A:

Q: Automobile airbags contain solid sodium azide, NaN3, that reacts to produce nitrogen gas when…

A: Pressure, P= 1 atm Temperature, T = 22°C = (22+273.15) K                          = 295.15 K Gas…

Q: 2. How much work is done for the sublimstion of one mole of carbon diaxide in terms of the ideal as…

A: Work done for the sublimation of one mole of carbon dioxide = -P∆V

Q: Find the work energy, w, gained or lost by the system when a sample of gas expands from 10 L to 30 L…

A:

Q: For which of the following processes is work done by the system?   a Br2(g) → 2 Br(g) b H2O(g) →…

A: The work done in the case of chemical reactions is given by the equation:  W=-∆ngRT Where, ∆ng=No of…

Q: Acetylene is a gas used for welding metal. a. Write the balanced combustion reaction for acetylene,…

A:

Q: What is the work done (in J) when 2.801 g of nitrogen gas at 298.15 K at equilibrium under an…

A:

Q: What is the work when a gas contracts from 3.45 L to 0.97 L under an external pressure of 0.985 atm?…

A:

Q: Consider a 1 L container which is divided equally into two compartments by a frictionless movable…

A: Work done is the amount of energy required to move something against a force.

Q: please help me, its a two part problem attached as 1 screenshot, please answer both parts.

A: According to first law of thermodynamics, the total energy of the universe remains constant. In…

Q: The molar heat capacity at constant pressure for CO(g) is 6.97 cal mol-1 K-1. How much heat in cal…

A:

Q: The molar heat capacity at constant pressure for CO(g) is 6.97 cal mol-1 K-1. How much heat in cal…

A: Molar heat capacity at constant pressure (Cp) :-  The amount of heat required to rise the…

Q: Five moles of monatomic ideal gas enter the abc cycle and during a complete cycle 600 J of heat is…

A: Work done in ca process :

Q: Carbon monoxide, CO, reacts with chlorine, Cl,, to form the very poisonous gas phosgene, COCI,.…

A:

Q: How much work, ?,w, must be done on a system to decrease its volume from 12.0 L to 4.0 L by exerting…

A: Formula used :-  W = -PdV  Where dV = (Vfinal - Vinitial )

Q: What is the work performed when a gas expands from 0.25 L to 2.33 L against an external pressure of…

A:

Q: For a constant-pressure expansion of a gas, the work done by the system (-w) is equal to the…

A: Work done by the gas is given by the expression w=-p∆V

Q: 16. The volume of a system is increased from 2.73 dm3 to 23.73 dm at an external pressure of 2.35…

A: Initial Volume = 2.73 dm3 = 0.00273 m3 = 2.73 L Final Volume = 23.73 dm3 = 0.02373 m3 = 23.73 L…

Q: 1.0 mol of an ideal gas at an initial pressure of 1 atm is expanded from 1.0 L to 2.0 L isothermally…

A:

Q: (a) (i) What are the thermodynamic quantities of a system that affect the amount and sign of the…

A: SOLUTION: Step 1: (a). (i).  For a closed system, with matter transfer excluded, the changes in the…

Q: If 54.0 g argon at 400 K is compressed isothermally and reversibly from a pressure of 1.50 to 4.00…

A: The work done in an isothermal process is given by, w=-nRTlnP2P1 where n is the number of moles, R…

Q: The molar heat capacity at constant pressure for CO(g) is 6.97 cal mol-1 K-1. How much heat in cal…

A:

Q: Consider the following figure. (The x axis is marked in increments of 1 m³.) Р (Рa) 6 × 106 4 × 106…

A:

Q: A 6.56 g sample of aniline (C6H5NH2, molar mass = 93.13 g/mol) was combusted in a bomb calorimeter…

A: The mass of the aniline sample is = 6.56 g The molar mass of aniline is = 93.13 g/mol The heat…

Q: T22    Repeat the previous question but give the answer in Joules. If 15.2 L of gas expands to 45.8…

A: When the work is done by the system then it is negative .  W= pdv

Q: Use Dulong and Petit's rule to determine the empirical formula of the compound

A: We are given heat capacity per gram of a compound containing thallium and chlorine is 0.21 J·K−1·g−1…

Q: (16) Forty moles of a monatomic gas expand isobarically from volume 3.50 m³ to volume 9.50 m³. If…

A: Given: initial volume of gas, V1 = 3.50m3final volume of gas, V2 = 9.50m3initial temperature of gas,…

Q: A 7.24-g sample of ethane occupies 4.65 L at 294 K. (a) Calculate the work done when the gas expands…

A: Isothermal is process done under constant temperature.

Q: (3) It takes 330 J of energy to raise the temperature of 24.6 g of benzene from 21.0°C to 28.7° C at…

A: Given: Total energy = 330 J Mass of benzene = 24.6 g Initial temperature = 21 °C Final temperature…

Q: (c) The work done by helium on a balloon was 1.659 kJ. If o.95 mol of helium was allow to expand to…

A: The work done in this question is being assumed that it is a reversible isothermal system since the…

Q: 37 S) For a particular process that is carried out at constant pressure, q = 145 kJ and w = -35 kJ.…

A:

Q: Calculate the work (in J) associated with the expansion of a gas from 14.8 L to 44.3 L at a constant…

A: Given data :  initial volume = 14.8L  final volume = 44.3 L  pressure = 3.52 atm

Q: The molar heat capacity at constant pressure for CO(g) is 6.97 cal mol-1 K-1. How much heat in cal…

A:

Q: 6600 J of heat flow into 0.014 m of a monatomic gas at 1.5 x 10° N/m². The gas expands isothermally…

A: Given: Amount of heat flow into the system = 6600 J Pressure  = 1.5 x 105 N/m2 Initial volume of gas…

Q: Calculate the work (in J) associated with the compression of a gas from 45.3 L to 21.8 L at a…

A:

Q: The molar heat capacity at constant pressure for CO(g) is 6.97 cal mol K. How much heat in cal is…

A: Given :-  Molar heat capacity for CO = 6.97 cal.mol-1.K-1  Amount of CO = 0.58 g  Initial…

Q: The molar heat capacity of mercury is 28.1 J/mol · K . What is the specific heat capacity of this…

A: Given :- molar heat capacity of mercury = 28.1 J/mol · K   To be calculated :- specific heat…

Q: Example Calculate the work (in J) associated with the expansion of a gas from 44 mL to 63 mL at a…

A: According to the irreversible isothermal expansion of ideal gas, w = -P2 (V2 - V1) where, w is work…

Q: Calculate the work (J) of the system when the ideal gas expands at constant pressure of 2.480 atm…

A: Work done at constant pressure is given by  W = -P∆V ........(1) W = work done = ?  P = pressure =…

Q: Methanol can also be combusted in the presence of oxygen in order to release its energy. 16.0 g of…

A:

Q: The specific heat capacity of water is _____.     (g x °C)/1 cal °C/(g x 1 cal) 1 cal/(g x °C) g/(1…

A: The specific heat capacity denoted by Cp is the amount of energy that must be supplied to 1 unit…

Q: Consider the following generic reaction: A+2B→C+3D, with ΔHΔH = 178 kJ . Determine the value of ΔH…

A: For reaction, A + 2B --> C + 3D  Given,  ∆H = 178 KJ

Q: Consider a balloon filled with 2115 L of helium at 1.00 atm pressure and 45.5°C. The temperature of…

A:

Q: Calculate the molar heat capacity of C6H14

A: Given :-  mass of hexane = 45.9 g  heat = 1786 J  change in temperature = 17.2 °C To calculate :-…

Q: A sample consisting of 1.0 mol CaCO_3 (s) was heated to 800 degrees C, when it decomposed. The…

A: During the decomposition of calcium carbonate, carbon dioxide gas is evolved. The carbon dioxide gas…