In what way does the glass act like a one-way valve for a conventional greenhouse? Does the atmosphere play the same role?

Q: In which mode of heat transfer is the convection heat transfer coefficient usually higher, natural…

A: In forced convection the the convective heat transfer coefficient is higher.

Q: Heat energy travels from an object with O lower heat capacity to one with a higher heat capacity. O…

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Q: Why does the pressure of gas enclosed in a rigid container increase as the temperature increases?

A: Increase in temperature means increase in the kinetic energy of the particles. And increase in…

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: if you are wearing clothes to prevent heat from escaping your body in the winter, how do you explain…

A: Wearing clothes helps in holding air in little pockets close to the body. This air gets warmed by…

Q: Why is thermal pollution a relative term?

A: Thermal pollution is the thermal energy pumped into the atmosphere, water bodies, etc. by 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: When you open the door to an air conditioned room in the summer are you letting cold air out or hot…

A: When the door to an air conditioned room in the summer is opened.   And we need to tell whether we…

Q: The type of heat transfer that happens through direct contact of molecules or particles with each…

A: The type of heat transfer that happens through direct contact of molecules or particles with each…

Q: The Earth is not in thermal equilibrium with sun, Why?

A: The temperature of the sun and that of earth aren’t the same. Sun is at a very high temperature and…

Q: If you leave a metal spoon propped up in a pot Is this Conduction, convection, or radiation

A: Conduction is transfer of heat energy through one medium to another through contact.

Q: When a spacecraft returns to earth, its surfaces reach a very high temperature during its high-speed…

A: Explanation: Yes, the temperature of the surface of spacecraft rises. Due to the high speed of the…

Q: A cut-away drawing of a thermos bottle (also known as a Dewar flask), which is a device designed…

A: When two substances of different temperatures are mixed together then the transfer of heat takes…

Q: How do you calculate specific heat capacity given heat flow, mass and temperature change?

A: We know, the heat flow is given by

Q: Imagine a 40,000-km steel pipe that forms a ring to fit snugly entirely around the circumference of…

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Q: Does convection happen when you mix water and food coloring that are at the same temperature?

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Q: What is the distinction between gas and vapor?

A: Gas is a single defined thermodynamic phase or state. It has  its own unique physical and chemical…

Q: What Is the effect of temperature on most probable speed ?

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Q: Consider two finned surfaces that are identical except that the fins on the first surface are formed…

A: Given: Consider two finned surfaces that are identicalexcept that the fins on the first surface are…

Q: What makes heat transfer by radiation different from conduction and convection?

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Q: When a mercury thermometer is warmed, the mercury level momentarily goes down before it rises. Can…

A: When heated not only does the mercury expand but so does its container which causes the inner…

Q: Is there more than one method of heat transfer? If so, then how are they similar and different than…

A: Heat is the transfer of energy from one medium to another. The heat can be transferred by:…

Q: Consider a car radiator at 110.5°C in a 53.5°C environment and the exchange of heat between them by…

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Q: An astronaut has two objects that are identical in all respects, except that one is painted black…

A: Which of the two objects painted black and silver cools down at a faster rate.

Q: explain the terms convection and conduction?

A: both conduction and convection are mode of heat transfer.conduction is the process in which transfer…

Q: What examples of heat transfer by conduction, radiation, and convection do you encounter when using…

A: Heat transmission is a straightforward physical process. During the heat transmission process,…

Q: Why are cloudy nights generally warmer than clear ones?

A: Cloud is defined as dense texture of moisture molecules present in the atmosphere.

Q: When you step out of a swimming pool on a hot , dry day in the southwest , you feel quite chilly.…

A: When heat flows from our body, we feel chilly.

Q: At what temperature scale does the Farenheit and Celsius have the same readings?

A:

Q: Why are thermometers that are used in weather stations shielded from the sunshine? What does a…

A: Given: Need to define the thermometers that are used in weather stations shielded from the sunshine.…

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: Someone claims that the air space in a double-pane window enhances the heat transfer from a house…

A: We would disagree with this recommendation since the air space introduces some thermal resistance to…

Q: In terms of thermal expansion, why is it important that a key and its lock be made of same or…

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Q: Suppose you are an astronaut in the vacuum of space, hard at work in your sealed spacesuit. The only…

A: In this case, the astronaut is in the vacuum space, wearing a sealed spacesuit.   There is no solid…

Q: If placed in outer space where there is a near vacuum, a heated object will lose almost all of its…

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Q: Why are thermometers that are used in weather stations shielded from the sunshine? What does a…

A: When thermometer is exposed to sunshine, there will be an increase in the temperature reading due to…

Q: Can all three modes of heat transfer occur simultaneously (in parallel) in a medium?

A: Due to difference in temperature energy get transfer, this energy is heat energy. Transfer of heat…

Q: What is the lowest possible temperature on celsius scale?on kelvin scale?

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Q: Microwaving your burrito is an example of what type of heat transfer?

A: Heat transfer by thermal radiation is due to electromagnetic waves

Q: What is external forced convection? How does it differ from internal forced convection? Can a heat…

A: When the fluid is forced over a surface, it is called external forced convection. And when it is…

Q: Shown below is a cut-away drawing of a thermos bottle (also known as a Dewar flask), which is a…

A: Dewar flask is a type of insulating container, in which the fluid stored within remains hot or cool…

Q: why bomb calorimetry study in university???

A: The heat combustion produced in a chemical reaction, enthalpy of a reaction, change in enthalpy in a…

Q: If the winds at the latitude of San Francisco and Washington, D.C., were from the east rather than…

A: If the winds were flowing from east rather than from west, the climate in San Francisco would be…

Q: The figure shows a cut-away drawing of a thermos bottle (also known as a Dewar flask), which is a…

A: The functions of the various parts are; Vacuum: It reduces the transfer of heat due to convection or…