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Heat is the total energy of molecular motion in a substance; temperature is a measure of the average energy of molecular motion in a substance. Heat energy depends on the speed of the particles, the number of particles (the size or mass), and the type of particles in an object. Temperature does not depend on the size or type of object. For example, the temperature of a small cup of water might be the same as the temperature of a large tub of water, but the tub of water has more heat because it has more water and thus more total thermal energy.
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What happens when air temperature exceeds body temperature?
When air temperature exceeds body temperature, the only avenue for heat loss is via sweating. This is because bi-directional heating occurs via convection and radiation. However, the cooling power of sweating has long been known (Bladgen 1775a, 1775b). Therefore the degree in which core temperature would change depends on firstly how much air temperature exceeds body temperature and secondly the water vapour pressure of the environment.
How are sensible heat and latent heat different in terms of their impact on temperature changes in a substance?
Sensible heat and latent heat are different in how they affect temperature changes in a substance. Sensible heat directly raises or lowers the temperature of a substance when added or removed, while latent heat causes a substance to change its state (such as melting or evaporating) without changing its temperature.
How do you figure heat index?
The heat index is calculated by combining the air temperature with the relative humidity to determine how hot it feels to the human body. This index gives an approximation of how the body perceives the temperature in terms of heat stress and potential health risks.
Does thermometer measure heat or temperature?
Different thermometers make use of different physical properties, that change with temperature - for example, volume, electrical resistance, and others. The basic household thermometer simply has a liquid - previously mercury, nowadays usually colored alcohol - that expands when it is heated.
What happens when matter at a higher temperature touches matter at a lower temperature?
The colder matter absorbs the heat (thermal energy) from the hotter matter. Heat continues to "flow" until all of the matters is at about the same temperature. This is a fundamental law of thermodynamics; heat travels from where it's hotter to where it's colder.
Can two body at same temperature have different heat?
Yes, two bodies at the same temperature can have different amounts of heat because heat is a measure of the total thermal energy contained within an object. The amount of heat a body has depends on its mass and specific heat capacity, regardless of its temperature.
Is temperature different than heat?
Yes, quite different. . . . .Temperature is used to measure heat.
How is temperature diffrent from heat?
Heat is the cause and temperature is the effect. Heat is energy but temperature is outcome of storage of such heat energy in a body. If same amount of heat is given to the same mass of water and aluminium, then temperature will be more in aluminium but less in water. This is similar to the collecting air in different containers. Air is equivalent to heat and pressure created is equivalent to temperature.
Is it possible to heat the body without rise in temperature?
No, the process of heating the body results in a rise in temperature. When heat is applied to the body, it absorbs the energy, leading to an increase in temperature.
What is temperature and heat?
Heat is the energy transferred from one body to another as the result of a difference in temperature. Heat flows from a hotter body to a colder body when the two bodies are brought together. This transfer of energy results in an increase in the temperature of the colder body and a decrease in the temperature of the hotter body. Temperature is a measure of the average energy of the molecules of a body. It is expressed in terms of any of several scales, such as Fahrenheit, Celsius, or Kelvin.
How is heat different from temperature and thermal energy?
It is heat which is measured by a temperature scale.
What measures body's heat?
The body temperature is measured by a thermometer, the instrument to measure heat contents of objects is called a calorimeter. Don't confuse heat with temperature.
What is the specific heat of a mammalian body and how does it affect the body's ability to regulate temperature?
The specific heat of a mammalian body is approximately 3.5 J/gC. This means that it takes a relatively large amount of energy to change the temperature of the body. This high specific heat helps the body regulate its temperature by absorbing and releasing heat slowly, which helps maintain a stable internal temperature despite external temperature changes.
What is the balance between the heat loss and the heat produced by the body?
the right side
Is heat exhaustion hypothermia?
No, losing body temperature is. Hypothermia means loss of body temperature.
Why is your body temperature not the same as room temperature?
because you would not be able to radiate heat out of your body
Where can you find some examples of equilibrium?
in case of transfer of heat. the heat is transferred from a body at higher temperature to the body at lower temperature. the heat is transferred till the time the temperature of both the bodies becomes same.
