The human body cools down by transferring heat through...
Q: In a vacuum, heat can be transferred by: a) conduction and convection b) convection and radiation c)…
A: In a vacuum, heat can be transferred by:a) conduction and convectionb) convection and radiationc)…
Q: What condition is necessary for flow of heat?
A: The factor or condition that is necessary for heat transfer to occur is that two object 'must have…
Q: A substance udergoes a phase change of Sublimation. During this process Heat ............... choose…
A: Sublimation is a process in which heat is required to change the phase of a substance. During this…
Q: Is it possible to heat a room by means of temperature?
A: if room is heated using any mechanical instrument (Blower for raising the temperature, AC for…
Q: Can the temperature of a system be increased without heating it?
A: Yes, the temperature of a system can be increase without supplying heat to the system.
Q: Is it possible for heat to flow between two objects with the same internal energy? Can heat flow…
A: yes it is possible for heat to flow between two objects with the same internal energy.
Q: Explain, neutral temperature of a thermocouple with examples.
A: Answer given below:
Q: When can you add heat to something without raising its temperature?
A: When water is heated, the temperature rises till 100oC and then it boils. After this point, the…
Q: How do specific heats of solids vary with temperature?
A: The ability of a substance to absorb heat is known as Specific heat
Q: How is the loss of heat due to radiation minimised in a calorimeter?
A: Heat loss due to radiation is minimized by polishing the box in order to smoothen it.
Q: Can a heat be added to a system without increasing its temperature?
A: The isothermal process in which the temperature of a system remains constant, the transfer of heat…
Q: A 400 g of ice at -7° C is placed in 2.5 kg of water at 36° C. If the specific heat of ice 2050…
A:
Q: Why specific heat at constant pressure is more than specific heat at constant volume
A: Why specific heat at constant pressure is more than specific heat at constant volume?
Q: (1a). Figure shows a person is warming his hands over the fire. Explain in detail how the heat…
A: The given figures show fire worming hand of a person this phenomena can easily understand by I hate…
Q: How much heat must be added to a 8kg block of ice at -8 degrees Celsius to change it to water at 14…
A:
Q: If a gas system of one to two volumes expands under constant pressure at the same time, then 100J of…
A: Given, Heat lost to ocean, Q=-100 J Volume expansion, V to 2V
Q: Do you defog your windows with cold or hot air?
A: Yes, with the hot air preferably dry and hot air.
Q: If a is the coefficient of linear expansion of a material at 0°C, the volume thermal- expansion…
A: The coefficient of linear thermal expansion is α We need to find the coefficient of Volume thermal…
Q: If a significant amount of heat were lost to the surroundings during the transfer process, would the…
A: Introduction: Specific heat capacity is defined as the amount of heat required to raise temperature…
Q: Demonstrate how a heat pump works to warm an interior space.
A: Heat pump is used to transfer absorbing heat from cold space and releasing it to hot space. Heat…
Q: E7. How much heat must be removed fro aluminum to lower its temperature fr The specific heat…
A:
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: Does adding heat to a system always increase its internal energy?
A:
Q: (5) At what temperature are the reading from a Fabrenheit thermometer and Celsius thermometer the…
A: Given, Value of Fahrenheit thermometer and Celsius thermometer temperatures are same F = C
Q: Clearly distinguish among temperature, heat, and internal energy.
A:
Q: What is meant by dynamical theory of heat?
A: According to dynamic theory of heat everybody is made of small particles called molecules.This…
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: The graph below shows the change of ice at -20 °C to steam when heat is added to it. Temperature C)…
A:
Q: Which of the following is not a method of transfer of heat? Conduction Radiation Convection…
A: Conduction, Convection & Radiation. There are three main ways that heat is transferred between…
Q: f all energy is converted into other energy, will burping light my fireplace? What…
A: This question is related to the laws of thermodynamics, specifically the first law, which states…
- Convection
- conduction
- both of the above
- neither of the above
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