10 J of heat are removed from a gas sample while it is being compressed by a piston that does 20 J of work. What is the change in the thermal energy of the gas? Does the temperature of the gas increase or decrease?

Q: If 100 J of heat is added to a system that does 40 J of external work, by how much is the internal…

A: Given Data: The heat energy added is, H = 100 J. The work done is, W = 40 J. Let ∆E be the change…

Q: Ideal gas has undergone a thermal transformation, making work of 50 J. What was the amount of heat…

A: From the first law of thermodynamics, the expression for the energy transfer is:

Q: 24 J of heat is added to a gas in a container, and then the gas does 6 J of work on the walls of the…

A: Change in internal energy of the system = Heat added to the system - Work done by the system

Q: A 1.000 ´ 103 kg car is moving at 90.0 km/h (25.0 m/s) as it exits a freeway. The driver brakes to…

A: Since you have posted a question with multiple sub-parts, we will solve first three sub-parts for…

Q: A 75-kg sprinter accelerates from rest to a speed of 11.0 m/s in 5.0 s. (a) Calculate the mechanical…

A: Since we only answer up to 3 sub-parts, we’ll answer the first 3. Please resubmit the question and…

Q: 1. If you wanted to melt ice, then heat it up, and get the water to just barely vaporize, how many…

A:

Q: The maximum amount of work that can be done by a heat engine is

A: Maximum amount of work that can be done by a heat engine is amount of work done by a reversible…

Q: Heat energy of 1.5 kJ is added to a gas. The gas expands at a constant pressure of 45 kPa from 20 L…

A: Pressure, P = 45 kPa = 45000 Pa Energy, Q = 1.5 kJ = 1500 J Change in volume, ∆V=50 L - 20 L =30…

Q: For exercise, an athlete lifts a barbell that weighs 400 N from the ground to a height of 2.20 m at…

A: As we know that,  Work done on an object to displace something from its initial position = Force X…

Q: 300J of energy are transferred to a system in the form of heat while the thermal energy increase by…

A: Given data The change in internal energy is ∆U=150 J. The energy transferred to a system is ∆Q=300…

Q: The box of a well-known breakfast cereal states that one ounce of the cereal contains 103 Calories…

A: The unit of energy can be converted from kilocalories to joule by multiplying with 4186 .   The…

Q: it is the form of energy that is done by a system to its surroundings if the sole effect on…

A: Given that it is the form of energy that is done by a system to its surroundings if the sole effect…

Q: A sealed container containing water with stirring wings inside is heating up on the stove. In this…

A:

Q: Question 19 A gasoline engine with an efficiency of 0.397 generates 1.99 hp of power. If a liter of…

A:

Q: A man sits with his back against the back of a chair, and he pushes a block of mass m = 6 kg…

A: Given,

Q: A3.5 kg mass is sliding across a horizontal table at an initial speed of 6.8 m/s before friction…

A:

Q: 600 J of heat energy are transferred to a system that does 400 J of work. By how much does the…

A:

Q: 84 J of heat energy are transferred out of an ideal gas and 35 J of work is done on the gas. What is…

A: Given  Heat rejected Q=-84j  Work done on the gas W=-35J

Q: A(n) 80.0-kg student eats a 160-Calorie doughnut. To burn-it-off, he decides to climb the steps of a…

A: Work done is equal to product of force and displacement and work done is stored in the form of…

Q: A gas is compressed at a constant pressure of 0.7 atm from 8 liters to 1.5 liter and releases 600 J…

A: W=-PV1-V2P is the pressureV is the volume

Q: In an industrial chemical process, 600 J of heat is supplied to a system while 200 J of work is done…

A:

Q: If a 71.0 kgkg hiker eats one of these bars, how high a mountain must he climb to "work off" the…

A:

Q: gas enclosed in a chamber absorbs 949.70 J of heat and during the same time does 353.61 J of work on…

A: Heat absorbed = 949.70 J  Hence, heat added to system q = - 949.70 J Work done by system W = 353.61…

Q: A gas is compressed from 600 cm3 to 200 cm3 at a constant pressure of 400 kPa. At the same time, 100…

A:

Q: 28 J of heat energy is transferred into an ideal gas and 48 J of work is done on the gas. What is…

A:

Q: A gas is compressed from 520 cm^3 to 200 cm^3 at a constant pressure of 500 kPa . At the same time,…

A:

Q: In which form is the supplied heat energy stored during change in temperature of substance? A) Heat…

A: Explanation: Heat is a form of energy can be transferred to the molecules and the molecules that…

Q: An energetic athlete can use up all the energy from a diet of 4000 Cal/day. If he were to use up…

A:

Q: A food calorie is a unit of energy such that 1 food calorie = 4184 J. This means that a person that…

A: The calories burned during the basal metabolic process is P=WtW=Pt=90 W1 s=90 J1 cal4184 J=0.0215…

Q: The engine of a large ship does 1.97  1010 J of work with an efficiency of 8.60%. (a) How much…

A: Given : W = 1.97 x 1010 J e = 8.60% = 0.086

Q: How much energy would you consume daily if you kept 3 lightbulbs of 25 watts on all day long?.

A: Power consumed by 1 bulb, p=25W Total power consumed by 3 bulbs=P=3p=75W 1 day, t=86400Seconds. so…

Q: A sample of 5.25 kilograms of water at 6.00°C is placed in the freezer. Assuming all energy removed…

A:

Q: How much work is done if two liters of an ideal gas expanded into a vacuum and the new volume is 5L?

A:

Q: A heat pump is used to maintain a house at 25°C by extracting heat from the outside air on a day…

A:

Q: If 100 J of heat is added to a system that does no external work, by how much is the internal energy…

A: Given : Heat = 100 J

Q: . You do 10,000 J of work on a system of 3.00 kg water by stirring it with a paddle wheel. During…

A:

Q: While walking you give off 4.0x10^5J of heat and your internal energy decreased by 6.0x10^5 J. How…

A: Given information: Here, ΔQ is the heat released by the person’s body while walking, and ΔU is the…

Q: As a gasoline engine is running, the amount of gasoline containing 15,000J of chemical potential…

A: The given data are: TH=2500 KTL=300 K Here, TH denotes the higher temperature, and TL denotes the…

Q: Which of the following devices performs heat transfer using work, with the goal of maintaining the…

A: (a) An internal combustion engine The internal combustion engine is an engine in which the burning…

Q: A thermodynamic system undergoes a process where its internal energy increases by 200 J. During this…

A: The change in internal energy of the system,

Q: 300J OF HEAT IS ADDED TO A SYSTEM AND 250J OF WORK IS ADDED BY THE SYSTEM. WHAT IS THE CHANGE IN…

A:

Q: The internal energy of a system is initially 25 J. The system does 24 J of work. What is the…

A: According to the first law of thermodynamics  dQ = dU + dW  where, dQ is the heat added, dU is the…

Q: Your mass is 56 kg and eat 700-calorie food, calculate how high of stairs you must climb to work off…

A: The given values with suitable variables are listed below. Here, m denotes the mass and E denotes…

Q: A gasoline engine has a power output of 155 kW (about 2.08x105 hp ). Its thermal efficiency is 32.0…

A:

Q: When gasoline is burned, it gives off 46,000 J/gram of heat energy. If an automobile uses 13.0 kg of…

A: Given : Heat energy given off when gasoline is burned = 46000 J/gram Gasoline used by an automobile…