If 15.2 L of gas expands to 45.8 L, against a constant pressure of 0.838 atm what is the value of w (work)? (Give the answer in L atm and Joules)

Q: A chemical reaction is run in which 138 Joules of work is done by the system and the internal energy…

A: Work done by the system is negative. So we use W= -138 J  Given: w= - 138J              ∆u= + 14J To…

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

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Q: If 15.2 L of gas expands to 45.8 L, against a constant pressure of 0.938 atm., what is the value of…

A: Given  Pressure ( P )           = 0.938 atm  Initial Volume ( V1 ) = 15.2 Liter  Final Volume ( V2 )…

Q: A piston expands from 10 L to 20 L under an external pressure of 3 atm. what is the work in Joules?

A: The work done by a gas is given by  W = -PextΔV where ΔV = change in volume = final volume - initial…

Q: If a balloon is expanded from 0.055 to 1.403 L against an external pressure of 1.02 atm, how many…

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Q: A system is allowed to expand from 5.56 L to 10.0 L at a constant pressure of 1.0 atm. What is the…

A: • The values provided in the question are:-      i) Initial volume of a system, V1 = 5.56 L    ii)…

Q: 100 J of heat is released by the system and it does 100J of work. Which of the following is true? A.…

A: When energy is released from the system to the surroundings, the sign is negative while it is…

Q: f 112g of water at 54oC is mixed in a calorimeter with a 95g sample iron at 139oC, what is the final…

A: Given data: Mass of water(m1) = 112 gms       Its temperature(T1) = 54°C Mass of iron(m2) = 95 gms…

Q: When 5.32 g of a solid mixture composed of NH¼CI and CaCl, was dissolved in 100.0 mL of water, the…

A: Detailed solution is given in step 2.

Q: Suppose 61.0 g hot metal, which is initially at 120.0°C, isplunged into 100.0 g water that is…

A: Given information,    Mass of hot metal is 61.0 g    Mass of water is 100.0 g    Initial temperature…

Q: air in an infiated balloon in car on hot summer day absorbs As it expands, it does 2. of work. First…

A: Given work done is 77KJ

Q: When 1 mol of a gas burns at constant pressure, it produces2418 J of heat and does 5 J of work.…

A: When a gas burns at constant pressure we have P = constant. So, Pext = P of the gas container We…

Q: A sample of nitrogen gas expands in volume from 1.7 to 5.4 L at constant temperature. Calculate the…

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Q: 5.19 Consider these changes. At constant pressure, in which of the reactions is work done by the…

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Q: 1. A system is compressed from 50.0 L to 5.0L at a constant pressure of 10.0 atm. What is the amount…

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Q: A chemical reaction is run in which 756 Joules of work is done on the system and the internal energy…

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Q: A gas forming reaction produces 5.15 L of gas against a constant pressure of 0.985 atm.  Calculate…

A: The work done by the gas when the change in volume and pressure has been given can be calculated by…

Q: In a gas expansion,  9.0  ×  101  J of heat is absorbed by the system, and the energy of the system…

A: According to the first law of thermodynamic;

Q: expanding gas does 171 J of work on its surroundings at a constant pressure of 1.02 atm. If the gas…

A: Work (w) = -171 J Pext = 1.02 atm Initial Volume (V1) = 68.0 mL        = 0.068 L Work = -Pext.(V2 -…

Q: 7. Consider reaction H2(g) + Cl2(g) + 2HCI (g) AH = -184.6 kJ/mol If 3 moles of H2 react with 3…

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Q: Calculate the work done by a system when a piston expands from a volume of 13.27 L to 76.55 L…

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Q: Iron has a molar heat capacity of 25.1 J/mol oC. What is the change in heat (q) if a 20.0g piece of…

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Q: A piston holding a gas compresses from 4 L to 1 L under an external pressure of 3 atm. What is the…

A: The change in the volume of the gas is = 4 L - 1L = 3 L The external pressure of the gas is = 3 atm…

Q: - Hydrogen gas and oxygen gas release 482.6 kJ of heat when they combine to form steam. Is this…

A: Given :  H2 + O2 ---> H2O  Amount of heat released = 482.6 kJ  To determine :-  Whether the…

Q: en the onowing (hypothetical) thermochemical equations: A+B2C; AH = -443 kJ A+ 3D2E; AH = -490. kJ…

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Q: A sample of aluminum with a mass of 53.4 g is initially at 156 ∘∘ What is the temperature of the…

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Q: How much energy is required to change the temperature of 21.5 g Cu from 27.0 °C to 88.1 °C? The…

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Q: A gas expands in volume from 26.7 mL to 89.3 ml at constant temperature. Calculate the work done (in…

A: A numerical problem based on work done, which is to be accomplished.

Q: b. Five moles of an ideal gas expand reversibly and isothemally from a pressure of 20 atm to 5 atm…

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Q: How much work (J ) is required to compress a gas from 10L to 7L by exerting a constant pressure of…

A: work done in thermodynamical process is  W = P(V2 - V1)

Q: 4. How many grams of CH_(g) must be burned in a calorimeter, which is made up of 2000 g of glass and…

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Q: During a breath, the average human lung expands by about .50 L. If this expansion occurs against an…

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Q: A block of copper of unknown mass has an initial temperature of 67.7 ∘C∘C. The copper is immersed in…

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Q: a balloon filled with ammonia gas is injected with water. the balloon feels warm to the touch and…

A: Sign convention heat released = positive heat absorbed = negative

Q: Oxygen gas at 34.5 "C expands from 34.5 L to 45.7 Lagainst a constant pressure of 750 mmHg. What is…

A: The values given are : T = 34.5o C Vinitial = 34.5 L Vfinal = 45.7 L P = 750 mmHg 1 L atm = 101.325…

Q: A steel cylinder of 10 liters capacity contains 20 moles of oxygen at 27°C. An imperfection in the…

A: The work done by gas can be calculated by using formula of work done i.e W= -P(Vf- Vi)  Where w…

Q: Calculate the work, w, done in kJ when a gas contracts from 40.0 L to 5.0 L against a constant…

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Q: - In which of the following systems is(are) work done by the surroundings on the system? Assume…

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Q: If 15.2 L of gas expands to 45.8 L, against a constant pressure of 0.938 atm., what is the value of…

A:

Q: At a constant temperature, an ideal gas is compressed from 6.0 liters to 4.0 liters by a constant…

A: Given: Vol. of the ideal gas, V1 = 6.0 L Vol. of the gas after compression, V2 = 4.0 L The external…

Q: (2.2) Gas in a container is at a pressure of 1 atm and a volume of 6 m3. What is the work done by…

A:

Q: Given the following thermochemical equations, 4B(s) + 30,(g) → 2B,0,(s) AHº= -2543.8 kJ H2 (g) + ½…

A: The given reactions are,                            4 B(s) + 3 O2 (g) ---> 2 B2O3 (s)…

Q: 2. A certain gas expands in volume from 2.0 L to 6.0 L at constant temperature. Calculate the work…

A:

Q: A chemical reaction is run in which 633 Joules of work is done on the system and the internal energy…

A: Given: Work done = +633 J ( work is done on the system) Internal energy = +191 J

Q: The following thermochemical equation is for the reaction of ammonium nitrate(s) to form dinitrogen…

A: Given: ∆H=-35.9 kJ for the decomposition of 1 mole of NH4NO3.

Q: 1. The neutralization reaction that occurs between baking soda (sodium bicarbonate) and vinegar…

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Q: Calculate the work done ( in joules) when a perfect gas in a piston chamber expands from 2.00 L to a…

A: Pressure ( P ) = 1.75 atm Initial volume ( V1 ) = 2.00 L  Final volume ( V2 ) = 5.50 L  ΔV  = V2 -…