Calculate the total thermal energy in a liter of helium at roomtemperature and atmospheric pressure. Then repeat the calculation for a liter of air.

Q: If the volume of a gas is doubled at constant temperature, what will happen to its temperature?

A: According to the ideal gas equation

Q: What is the difference between air-standard assumptions and the cold-air-standard assumptions?

A: The actual gas power cycles are very complex, to reduce their analysis to a manageable level without…

Q: Consider fluid flow in a tube whose surface temperature remains constant. What is the appropriate…

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Q: Why is the lowest temperature called absolute zero if it's relative to the frame of reference?

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Q: Consider laminar forced convection in a circular tube. Will the heat flux be higher near the inlet…

A: In general, the heat transfer coefficient and wall shear stresses are higher at the region where the…

Q: On average, would Earth be warmer or cooler without the atmosphere? Explain your answer.

A: The water and the carbon dioxide molecules in the atmosphere absorb light ray and radiates back into…

Q: How to find the final equilibrium temperature, when a hot iron mass is placed in water?

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Q: Why is it that you need a water trap in performing this experiment? Why can’t you introduce the…

A: Given : Asked a question to answer: Why is it that you need a water trap in performing this…

Q: You pour coffee into an unlidded cup, intending todrink it 5 minutes later. You can add cream when…

A: Heat radiation is a process by which a substance radiates excess heat to the surroundings if the…

Q: Assuming isothermal condition, how deep is the pool at a point where an air bubble, upon reaching…

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Q: Does a single particle of gas have temperature?

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Q: For a specified fluid pair, inlet temperatures, and mass flow rates, what kind of heat exchanger…

A: Given: Hot and cold side fluids are same for all heat exchanger. Inlet temperatures are constant.…

Q: 4.7. For a pure buoyant plume, it can be shown that the vertical velocity and the buoyancy factor of…

A: Buoyancy force is a upward force.

Q: Icecream appears colder to the mouth than water at 0 degree C. Give reason.

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Q: What happens to the pressure when the temperature of gas at a constant volume increases

A: When temperature of the gas at constant volume increase.... The ideal gas equation is given as…

Q: what happens to internal energy of sytem when mechanical work is done on it? what happens to its…

A: When mechanical work is done on the system internal energy of the system increases.Temperature of…

Q: Why is the water in the inner calorimeter cup gently stirred during an experiment determining the…

A: The specific heat of a substance is determined by the calorimetry experiments that involve an…

Q: Look at this water temperature selector for a shower in the bathroom. Is it pretty clear how hot and…

A: Water temperature is seleted by the human needs in the bathroom, which is discussed in clear,

Q: In a mixture of hydrogen and oxygen gases at the same temperature, which molecules move faster? Why?

A: The system has two gases that is hydrogen and oxygen. The system will have constant kinetic energy…

Q: How much heat is lost through a 3’× 5' single-pane window with a storm that is exposed to a 60°F…

A: Heat lost Q is the product of U-value, temperature difference ∆T and area A. Therefore,

Q: The primary method of heat transfer for liquid/gas (and plasma) is

A: the primary method of heat transfer for liquid/gas is convection.

Q: You are asked to test a machine that the inventor calls an“in-room air conditioner”: a big box,…

A: The Law of Conservation of Energy. In order to cool the air coming out of the machine, some other…

Q: Calculate the amount of heat needed to change a 1 kg block of ice at -10 degrees Celsius to steam at…

A: Heat used to increase the temperature H = m c (T'- T) The heat used to change the phase H = m L…

Q: At an Antarctic research station, 100 kg of ice at -20 deg C is fed into the heating system in order…

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Q: Calculate the amount of heat necessary to change 1.5 kg of ice at 0°C into steam?

A: Latent Heat: It is the amount of heat required to change the state of matter from one form to…

Q: Calculate the latent heat in W per occupant in a space devoted for teaching activity assuming CLF =…

A: Latent heat=60w

Q: When would you use the Latent Heat formula instead of the Specific Heat Capacity formula?

A: Heat is also a form of energy. When heat is added, temperature increase is likely to occur.

Q: A material whose emissivity is equal to 1 is called a O poor absorber O poor emitter O blackbody O…

A: Given:- a material  emissivity is equal to one .

Q: Consider two equal-size rooms connected by an open door. One room is maintained at a higher…

A: Since rooms are identical they have same volume and since the doors are open they have same…

Q: Why does the balloon in a smaller container filled with hot water sink after it has been put in a…

A: Given: Why does the balloon in a smaller container filled with hot water sink after it has been put…

Q: What happens to steam pressure and velocity in a converging nozzle?

A: A nozzle is a mechanical instrument/device which is used to control the motion of the fluid flowing…

Q: A 2.3-kg lead ball is placed in a 2.5-L insulated pail ofwater initially at 20.0°C. If the final…

A: The given data are as follows: Mass os the ball, mb = 2.3 kg Mass of the water, mw = 2.5 kg  ( 1…

Q: Adiabatic expansion produces a cooling , why?

A: An adiabetic process is carried out in such a way that the total heat of the system always remains…

Q: Calculate the total thermal energy in a gram of lead at roomtemperature, assuming that none of the…

A: If the number of molecules is N with each f degree of freedom, then the total thermal energy of the…

Q: What is internal energy?

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Q: what is the function of water bath in boomb calorimeter

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Q: The temperature which matters in the data-centers for keeping them cool, is known as  Wet-bulb…

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Q: Calculate the rise in temperature when the gas initially at a temperature at 27 degree C is…

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Q: The transfer of energy from one region of the atmosphere to another is of great importance in…

A: number of moles (n) = 1 Temperature (T) = 300 K Initial volume (V1) = 22 dm3Final volume (V2) = 30…

Q: Molar volume is the volume occupied by 1 mol of any (ideal) gas at standardtemperature and pressure…

A: