• A young man exerted a force of 9,000 N on a stalled car but was unable to move it. How much work was done?

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: A gas expands in volume from 21.0 mL to 72.4 mL at constant temperature. Calculate the work done (in…

A: Use the pressure – volume work equation to calculate the work done by the gas.   Substitute the…

Q: A 54 g piece of metal at 22 C was heated to 107 C by adding 1678.5 joules of energy. What is the…

A: Consider the given information is as follows; Mass of metal = 54 g Initial temperature T1 = 22°C…

Q: A sample of gas occupies a volume of 66.7 mL. As it expands, it does 131.6 J of work on its…

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Q: A mixture of helium and oxygen gas is compressed from a volume of 86.0 L to a volume of 50.0 L,…

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Q: Calculate the energy required to heat 721.0 g of aluminum from 3.7 °C to 15.5 °C. Assume the…

A: From the concepts of thermodynamics:The amount of heat(q) required to raise the temperature from t1…

Q: A mixture of helium and oxygen gas is compressed from a volume of 96.0 L to a volume of 23.0 L,…

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Q: A 5.80-g sample of copper is heated from 55.0°C to 75.0°C. The amount of energy required is 23.20 J.…

A: Given information: Mass of sample = 5.80 g Initial temperature = 55.0°C Final temperature = 75.0°C…

Q: A gas expands from 285 mL to 789 mL at constant temperature. How much work is done by the gas…

A: Given  Pressure ( P ) = 6.00 atm  Initial Volume ( V1 )  =  285 mL…

Q: work is done when a 115 g tomato is lifted 19.1 m

A: In the Question, it is mentioned that 115 g Tomato is lifted to 19.1 m, this indicates Gravity comes…

Q: If a piece of granite absorbs 6345J of energy and the temperature of the granite increases 101℃,…

A: the answer is given as follows  Mass of granite is 79.52 gram

Q: How much work in kJ is done when an 144.37 L piston is compressed to 56.42 L against an external…

A: Given data is as follows: The initial volume of the piston = 144.37 L The final volume of the piston…

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: balloon inflates from 0.75 L to 5.00 L against an external pressure of 1.00 atm. How much work is…

A: The work done by the system can be calculated using the formula:         work = -pressure *…

Q: An electrical heater is used to supply 85.0 J of energy to a 25.0 g sample of aluminum, originally…

A: As per the data given in the question,Specific heat capacity for aluminum = 24.35 J/mol KEnergy =…

Q: It takes 52.0 J to raise the temperature of an 9.00 g piece of unknown metal from 13.0∘C to 25.0 ∘C.…

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Q: Calculate the energy required to heat 882.0 g of ammonia from 42.0 °C to 60.4 °C. Assume the…

A: In the given question ->Weight of ammonia = 882.0 gmInitial temperature(T1) = 42.0°C = 42.0 + 273…

Q: A sample of gas occupies a volume of 68.7 mL. As it expands, it does 111.0 J of work on its…

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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: Work is the energy required to move something against a force. To calculate how much work a gas has…

Q: A gas absorbs 5.0 J of heat and then performs 15.8 J of work. The change in the nergy of the gas is

A: The first law of thermodynamics The first law of thermodynamics represents the conservation of…

Q: A mixture of nitrogen and argon gas is expanded from a volume of 69.0 L to a volume of 89.0 L, while…

A: Given data, Pressure P = 55.0 atm Initial volume = 69.0 L  Final volume = 89.0 L  work done = ?

Q: A sample of gas occupies a volume of 52.5 mL. As it expands, it does 139.8 J of work on its…

A: The relationship between work (w), pressure (P) and volume (V) is the following: since the gas is…

Q: An electrical heater is used to supply 205.0 J of energy to a 20.0 g sample of silver (specific heat…

A: Given information:Mass of silver = 20.0 gInitial temperature = 305.0 KAmount of heat (q) = 205.0…

Q: A sample of gas occupies a volume of 54.5 mL. As it expands, it does 117.6 J of work on its…

A: Given :- External pressure (Pext) = 783 Torr Initial volume (Vinitial) = 54.5 mL = 0.0545L Work done…

Q: A mixture of helium and argon gas is compressed from a volume of 97.0 L to a volume of 46.0 L, while…

A: Given that, Pext=38.0 atm  V1=97.0 L  V2= 46.0 L  Then,

Q: Calculate the energy required to heat 668.0 g of ethanol from 1.3 °C to 16.2 °C. Assume the specific…

A: The objective of this question is to calculate the amount of energy required to heat a certain…

Q: A balloon is inflated from 0.0100 L to 0.400 L against an external pressure of 10.00 atm. How much…

A: This is a case of constant pressure expansion process. It is also called isobaric process. In an…

Q: A gas expands in volume from 24.3 mL to 73.0 mL at constant temperature. Calculate the work done (in…

A: Work done by the gas against a constant pressure is given by  W = -PΔV where W = work  P = constant…

Q: A 2.63 g sample of a substance suspected of being pure gold is warmed to 72.8 degrees Celsius and…

A: Given mass  of H2O , MH2O = 15.5 g,   M = mass of unknown subastance , S = specific heat capacity…

Q: A chemical reaction takes place inside a flask submerged in a water bath. The water bath contains…

A: q = m× c× ∆T = m×c×(T2-T1)Where, q= heat            m = mass            c= specific heat capacity…