When I sit by a campfire, how does its hot air heat me?

Q: The patient's fever, it turns out, is being caused by the patient's own body generating too much…

A: Given The patient will produce 1683 joules of excess heat each minutefor 12 full hours before the…

Q: Why will wrapping a bottle in a wet cloth at a picnic often produce a cooler bottle than placing the…

A: When a bottle is kept in a bucket of cold water, the bottle is being cooled by the process called…

Q: Outdoors in winter, Why does a piece of metal feel colder than piece of wood?

A: Due to the thermal conductivity of the metal, the metal feels colder than the wood.

Q: When a body gains heat, there is always a rise in its temperature.  True or False

A: According to first law of thermodynamics , ∆Q = ∆U + W  Here ∆Q = heat change  ∆U = internal energy…

Q: Does a substance absorb or liberate any heat energy during the change of phase?

A: Phase transition is when a material transitions to a different state from a solid, liquid, or gas…

Q: Many American homes have an outdoor pool for the children. On a hot summer day, why do the children…

A: American uses outdoor pool for children. Children find relief in the pool

Q: How does specific heat of metal compare to that of water?

A: The expression to determine the specific heat will be,

Q: At night, the surface of the earth cools, mostly by radiation. The surface radiates energy upward;…

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Q: Pieces of copper and glass are heated to a same temperature . Why does the piece of iron feel hotter…

A: Copper is a very good conductor of heat. So, it allows maximum amount of heat to pass through it…

Q: When a 1-kg metal pan containing 1 kg of cold water is removed from the refrigerator and set on a…

A: Basic Details         The amount of heat absorbed depends on the mass of the element, the specific…

Q: How does specific heat relate to how fast a substance changes temperature?

A: The heat loss, ∆H, from a substance of mass m and specific heat s, is related to the change in…

Q: Why do woolen blankets keep us warm better than cotton sheets?

A: In the woolen blanket, there are more gaps. So, more air are confined within woolen blanket. Air is…

Q: Does a substance that cools off quickly have a high or low specific heat capacity?

A:

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

A: Given: Key and lock

Q: Heat from an oven causes the whole kitchen to get warmer.

A: Radiant energy refers to energy that travels by electromagnetic radiation such as heat or x-rays.…

Q: Adding the same amount of heat to two different objects does not necessarily produce the same…

A:

Q: A block of wood and steel is placed in a thermally stable room, which one has a lower temperature?,…

A: Wooden and steel block both are placed in a thermal stable room.

Q: Since all the objects emit energy to the surroundings, why don't the temperature of all the objects…

A: An object which is a good energy emitter will be also very good absorber. Such bodies are said to be…

Q: Why will wrapping a bottle in a wet cloth for an outing often produce a cooler bottle than placing…

A: Wrapping a bottle in a wet cloth for an outing often produces a cooler bottle than placing the…

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: Why do we wear woollen clothes in winter?

A: During winter season the human body temperature increases to the environmental temperature and heat…

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: Why two thin blankets are warmer than a single blanket of double the thickness?

A: Step 1If there are more layers, air can’t pass deeper.

Q: Is fur a source of heat to our body?

A: Step 1Animals maintain their body temperature by thermo regulation.

Q: At what common temperature will a block of wood and a block of metal feel neither hot nor cold to…

A: The heat tranter will occur only when the temperature of the object and the surroundings are…

Q: Does a body at 0 degree C radiate any heat?

A:

Q: Why is being burned by steam more damaging than being burned by water at the same temperature (100…

A: when the state of any matter changes from one state to another state  its temperature when the state…

Q: On cold, clear nights horses will sleep under the cover of large trees. How does this help them keep…

A:

Q: Why is sweating an efficient mechanism for cooling off on a hot day?

A: There will be evaporation of water and other liquids present on human’s skin into the air. The…

Q: Consider two walls of a house that are identical except that one is made of 10-cm-thick wood, while…

A:

Q: you are trying to keep your house warm in the winter. using the idea of conduction, convection, and…

A: Conduction is the transfer of energy from more energetic particles of a substance to adjacent less…

Q: What does the high specific heat of water have to do with convection currents in the air at the…

A: Specific heat capacity is the amount of heat energy required to raise the temperature of unit amount…

Q: Why is heating more efficient in large apartment buildings than in single-family dwellings?

A: The surface to volume ratio is inversely proportional to the dimension of the building. Hence, a…

Q: Why are heat and temperature not the same thing?

A: To explain : The difference between the heat and temperture

Q: Does a common electric fan cool the air in the room? If not then why it is used an overly warm room?

A: A fan doesn’t cool the room but it only recirculates the air in the room and the air inside is…

Q: If you have steel and wood at 0 °C, which feels colder? If you have steel and wood at 100 °C, which…

A: Material having high thermal conductivity transfers heat more easily. Case 1. Metals usually have…

Q: Does a hot object contain internal energy or does it contain heat?

A: Heat is the energy transferred from hot object to the cold object.

Q: How does a fan help us feel cooler in the summer?

A: Given fan help us feel cooler in the summer we have to find the cause of the above mentioned…

Q: A nail made of iron and a bowl of water have the same temperature because they are on the same table…

A:

Q: Do water and ice have same specific heats?

A: The specific heat capacity is the amount of heat energy desired to increase the temperature of a…