A chemical reaction takes place in a container fitted with a piston of cross-sectional area 10cm2. As a result of the reaction, the gas undergoes an expansion, the piston is pushed out through 8cm against an external pressure of 106Pa. Calculate the work. a. +80 J b. -10 J c. -80 J d. +10 J

Q: lution of HI was found to have a pOH of 13.35 at 25 °C. What is the concentration of HI? a. 0.52 M…

A:

Q: A balloonist begins a trip in a helium-filled balloon in early morning when the temperature is 15°C.…

A: Data given: Initial temperature, T1 = 15 °C = (273.15 + 15) = 288.15 K (T K = 273.15 + T °C) Final…

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

A: Given information, Mass of NaN3 = 32.5 g Pressure of the gas = 1.00 atm Temperature of gas =  22°C =…

Q: Oxygen gas at 34.5 °C expands from 34.5 L and 45.7 L against a constant pressure of 750 mmHg. What…

A: T = 34.5oC = 273+34.5 = 307.5K number of moles of oxygen (n) = PV/RT = 0.98X34.5/0.082X307.5 =…

Q: 3.5 moles of CO2 in a container were expanded against an external pressure of 2.5 atm to a final…

A:

Q: Using the following data, calculate the standard enthalpy of reaction for the coal gasification…

A:

Q: A 15.08 g piece of Mg is placed in a container containing 1.0 L of 3.0 M HCI (aqueous). Calculate…

A:

Q: What is the largest amount of work other than the pV type that can be performed by the reaction…

A: The maximum work done is calculated below.

Q: Consider two hypothetical systems (A and B) whose available energy levels are shown below. Each…

A: Answer is explained below.

Q: Calculate the moles of anhydrous (dry) KAl(SO4)2 that were present in the sample. Show all work…

A: When we heat hydrated salt we get anhydrous salt.  From the values of mass of anhydrous salt and…

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: Constants Penodic Wile E. Coyote is up to no good again. he's been cooking up a secret plan to get…

A: Given that, External pressure applied to a gas Pext = 1.42 bar = 1.40 atm Initial volume of gas…

Q: 1.7. 100 BTUS are absorbed by a gas while the gas expands and perform 700 BTUS of work. Calculate…

A:

Q: In a certain experiment where gas is compressed by a piston-like mechanism, it was found out that…

A: Given: Pext = A + BV + CV² + DV³ Where, A = 0.0005B = 0.0075/LC = 0.025/L²D = 0.05/L³

Q: A system contracts from an initial volume of 15.00 L to a final volume of 10.00 L under a constant…

A:

Q: Under conditions of constant pressure, for which of the following reactions is the magnitude of…

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: One mole of an ideal gas with a volume of 1.721 L and a pressure of 8.725 atm is allowed to…

A: Given initial volume of ideal gas is ---- 1.721L Initial pressure is ----- 8.725 atm This ideal gas…

Q: A mixture of krypton and oxygen gas is expanded from a volume of 31.0L to a volume of 87.0L, while…

A: Work done = P(V2-V1)  where P = pressure , V2 = final volume , V1= initial volume

Q: A reaction taking place in a container with a piston-cylinder assembly at constant temperature…

A: Work done against a constant external pressure is given by the formula  W = -Pext×∆V  Pext =…

Q: 8 L by instantaneously decreasing pressure to 0.54 atm (at constant T), how much work (in Joules)…

A: For a gas to be ideal, we assume that there is no force of attraction among the gaseous molecules…

Q: Consider the following changes: a. N2(g) →N2(l) b. CO (g) + H2O(g) →H2(g)+CO2(g) c. Ca3P2(s)+6H2O(l)…

A: Given the following reactions: a. N2(g) →N2(l) b. CO (g) + H2O(g) →H2(g)+CO2(g) c. Ca3P2(s)+6H2O(l)…

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: Calculate the heat capacity of calorimeter in the reaction of 50ml 3M acetic acid and 50ml 3M sodium…

A:

Q: Is the reaction exothermic or endothermic? (exothermic, or endothermic) Does the temperature of the…

A: a. Here it is told that the energy is absorbed at 216 kJ thus the reaction is Endothermic as the…

Q: A gas is expanded in a cylinder from a volume of 2 L to 22 L by a constant pressure of 2 atm.…

A: As the gas is extended here at a constant pressure. So the work done for isobaric process is given…

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

A: Thermodynamic is the branch of chemistry that mainly deals with the heat transfer between system and…

Q: 6530 J of heat were added to five moles of a monatomic ideal gas in a process where the temperature…

A:

Q: 1. At a constant pressure of 1.00atm, 550OJ of heat was applied to the gas in the cylinder, and the…

A: Work energy of the gas at constant pressure is calculated by using below formula,…

Q: Calculate q, w, AE, and AH for the process in which 76.4 g of nitrous oxide (laughing gas, N2O) is…

A:

Q: reactions would work be done on the system (at constant temperature and pressure)?   Hg (l)   ->…

A: From the iupac sign conve ntion, Work done on the system is positive.  At constant temperature and…

Q: 1. The work done by an expanding gas is negative. 2. Under a constant volume process, no work is…

A:

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

A: Work done is calculated as the product of pressure and change in volume as  W=-P×ΔV P is the…

Q: Calculate q, w, AE, and AH for the process in which 81.3 g of nitrous oxide (laughing gas, N20) is…

A: Given that : Mass of Nitrous oxide (N2O) = 81.3g Temperature, T1 = 141°C = 414K    T2 = 39°C = 312K…

Q: -1 35. The specific heat capacities at 25°C for three metals with widely differing molar masses are…

A: For 1 kg of substance, 1K rise in temperature requires some specific aggregate of energy which is…

Q: A gas-forming reaction produces 1.65 m^  of gas against a constant pressure of 160.0 kPa. Calculate…

A: Given -> Volume (V) = 1.65 m3 Pressure (P) = 160.0 kpa = 160×1000 pa = 1.6 × 105 pa

Q: An ideal gas at initial temperature of 177°C was compressed isothermally between an initial pressure…

A: given: T=177+273=450K P1= 2atm P2= 15atm work done of isothermal compression system: W= -2.303RT…

Q: A mixture hot gases expands, changing volume from 2.45 L to 6.82 L, against a constant pressure of…

A: The initial volume = 2.45 L The final volume = 6.82 L Volume difference, ΔV = (final -Initial)…

Q: One mole of an ideal gas is contained in a cylinder with a movable piston. The temperature is…

A: Given data :

Q: One mole of an ideal gas is contained in a cylinder with a movable piston. The temperature is…

A: T = 78°CP1 = 5.20 atmP2 = 2.53 atmP3 = 1.00 atmWhat is the total work (in joules) in going to the…

Q: chemical reaction takes place in a container fitted with a piston of cross-sectional area 20cm2. As…

A: InIn the compression work is positive. W= -pdv

Q: A certain heat engine operates between 50 ° C and 130 ° C. (a) Calculate the maximum work that can…

A: Given data,Temperature of hot source(T1)=130oC=273+130=403KTemperature of cold…

Q: The sugar arabinose, C5 H10 O5, is burned completely in oxygen in a calorimeter. C,Н1о Оs (s) +…

A: Welcome to bartleby !

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

A:

Q: A system consists of 50.0 g of liquid water.  The water is vaporized to form steam at 1.00 bar and…

A:

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…