What is role of loose electrons in heat conductors?

Q: What is the role of Phase transitions in heat flow?

A: In the heat flow, element takes heat and increase its temperature. Or element release the heat and…

Q: Woollen clothes are poor conductor of heat but they keeps us warm. Give reason

A: Woolen clothes are thin and there is no much air gap between the fabric. The air pockets lying in…

Q: What is meant by the terms of thermal expansion and thermal conductivity?

A: Thermal conductivity:

Q: What would a scientist use a calorimeter for?

A: Given that- Calorimeter To determined that - What would a scientist use a calorimeter for?

Q: An introduction to thermal physics

A: Thermal Physics : it is the combined study of thermodynamics, statical mechanics, and kinetic theory…

Q: How is heat capacity of a body related to specific heat capacity of its substance?

A: Heat capacity is defined as the heat required in raising the temperature of a substance by 1 degree…

Q: Why does blowing over hot soup cool the soup?

A: Evaporation causes cooling of liquid as highly energetic molecules get wiped off the surface when…

Q: Using own words, discuss latent heat.

A: The amount of heat required to change the phase of a substance at constant temperature per unit mass…

Q: How do the thermal conductivity of gases and liquids vary with temperature?

A: Given:  thermal conductivity

Q: Explain Prevost 's thory of heat exchanges.

A: Prevost’s theory of heat exchange tells that the heat energy absorbed or emitted by a body in unit…

Q: What does that specific heat of a substance relate to its ability to change temperature?

A: As we know, the relationship between specific heat and temperature of a substance is given by the…

Q: Suppose that you cut a small gap in a metal ring. If you were to heat the ring, would the gap become…

A: This question is from the Thermal Expansion section of Thermodynamics, As we know Thermal Expansion…

Q: State and explain Joule's Law of Heating?

A: Joule’s law is a mathematical expression of the rate at which resistance in a circuit turns electric…

Q: Is metal a good heat shield?

A: heat shield means the protection form heat

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 two energies are involved in the interaction of radiant energy?

A:

Q: How is heat transfer related to temperature?

A: Heat and temperature are related to each other but these are different quantities. Temperature is a…

Q: What is heat of compression?

A:

Q: Why temperature of hand increases when we rub it against each other?

A: Reason : When you rub your hands together, the action of scraping the surface of your skin back and…

Q: Why heat is called the disordered energy?

A: As the heat energy of a system increases, its entropy will increase. Entropy is a measure of…

Q: How does heat transfer work within the bulk of an object?

A: The Process through which the heat transfer work in the bulk of the object is the same as the…

Q: The below picture is an example of method of heat transfer. A hot alr balloon risng Into the sky the…

A:

Q: What happens to the temperature of water as it is boiling?

A: BOILING: Boiling is the process by which a liquid turns into a vapor when it is heated to its…

Q: Explain why high quality thermos bottles have a vacuum lining as a major component of their…

A: The transfer of the heat from any substance takes place in three ways, 1. Conduction, 2. Convection…

Q: How are heat and temperature different?

A:

Q: What is the relationship between heat and temperature?

A: Heat and temperature are one of the two components in the thermodynamics. Heating a substance…

Q: Thermal conductivity of air is less than that of felt, but felt is a better heat insulator in…

A: the thermal conductivity of air is less than the felt where as the open air conduct heat  through…

Q: In buildings that are being electrically heated, is it at all wasteful to turn all the lights on? Is…

A:

Q: thermometer does not use mercury.

A: In this question we have to answer which thermometers do not use mercury.Please give positive…

Q: What are the conditions of thermal equilibrium ?

A: Thermal equilibrium-is the state at which two bodies in contact can exchange energy freely. Systems…

Q: What is limitation of Newton's cooling law?

A: The limitation s of the newtons cooling law are as follows:1. The difference of temperature between…

Q: What is unit of thermal conductivity?

A: The unit of thermal conductivity is defined as :

Q: Consider a 6.0-g steel nail 8.0 cm long and a hammer that exerts an average force of 600 N on the…

A: Given:  mass,m = 6 g = 0.006 kg  Force,F = 600 N  distance, d = 8 cm = 0.08 m  specific heat,  c =…

Q: What determines whether an object is a net absorber or net emitter of radiant energy at given time?

A: All substance above absolute temperature emit radiant energy. Whether the object emits more than it…