Find Out What is Temperature?

The human being has felt the need to respond to various problems in his environment. In search of knowledge, get solutions. He has invented instruments for measuring the climate of bodies. Based on the laws of thermodynamics that govern the invention, so they created the thermometer. To know the thermal level of the bodies, to know if they are cold or hot, have heat or its absence. I invite you to read the article find out what is the temperature? where you will find more information on the subject.

What is temperature in chemistry?

It is the movement where atoms absorb energy or heat, ideal to beat the surface tension of the liquid and evaporate. The molecules with higher energy in motion break their bonds, break loose and they escape and others of lower energy stay. This fact happens due to the excess of hotness, then the climate of the liquid is reduced by cooling. Can be given in closed containers where the escaping molecules adhere as steam on the surface of the container at the top.

What is temperature in physics?

It is defined as the elevation of the temperature possessed by a body in relation to the internal agitation of the molecules. Based on thermodynamics, on kinetic energy, in alliance to the movement of particles. That is to say that the greater the movement in molecules, the greater will be their temperie. Many of the subjects present. Variability in the presence of energy depending on the place where they are located. It also influences the rate at which the product of a chemical reaction occurs.

On the other hand heat is a form of energy and is measured in calories. This happens by thermal agitation of matter. This is measured in jules, calories 4,186 joules.

Temperature scales

In the human body the gasification of sweat, by heat specific to water. When a pot of water is boiled, after the time there will be less amount of water. In the hot springs look like clouds over the waterbed, changing state constant. The underground volcanoes in the ocean, the lava at the touch of the water the change is made. Put the clothes to dry the water sublimates by contact with the air and the sun. The acetone disappears even if its container is closed. Dry ice on contact with air volatilizes. Perspiration by physical exercise sweat.

With what instrument is the temperature measured?

The instrument used to measure temperature is the thermometer. The general characteristics of a thermometer are made of glass. It has a bulb where mercury rests, in its external form. direct contact with the body to whom the fever is measured. Connected to a capillary tube, when it increases it can be observed how the mercury. Indicating rising or normal heat, the mercury thermometer, is the more known and used, why when it receives heat it contracts.

Inventors of the thermometer

Several attempts have been made over time to to develop a temperature instrument that complies with the law of thermodynamics. Which is based exclusively on experience, observation and not in theory. Today we have a system invented by Anders Celsius 1742. Uses a melting point-boiling-air basis at 1 atm, divided the temperature interval in one hundred equal parts and I call them centigrade. In the 1958 degrees Celsius were named in his honor and is written in letter upper case.

The one made by William Thomson in 1848 by which it is known as Lord Thomson. Since then she has been subjected to the thermometer to different studios. To correlate the different laws of the
thermodynamics, the theoretical basis of its creation, but not the practical one.

Thermal sensation and temperature exchanges

The thermal sensation has to do with the way the skin perceives the degree of cold or heat of the bodies or the environment. It is difficult to measure why the human body regulates its internal climate constantly in 36.5°C, product of digestion. The environment is critical because it can gain or lose heat from the environment. The air is also involved, the exchange by convection, by transmission, by radiation, by evaporation. This is why that the feeling of comfort of the body depends on various factors.

That affect the different types of exchange of temperature.  The dry one, is that of the air, it measure with the atmospheric mercury thermometer. The radiant climate, is the heat released by the radiation of the environment. The wet temperie, is that emitted by a thermometer under shade, with the bulb sheltered and under a stream of air, which turns the thermometer, is used to give an idea of the feeling thermal and humidity calculations. Body climate, body chlorination, yes low hypothermia, if fever rises and the ambient is the air temperie that it envelops the planet and is 22°C to 25 °C.

How is temperature determined in chemistry?

It is measured with a thermometer, the celsius scale also called centigrade. It is graduated according to the freezing point of water at 0°C and its boiling point at 100°C, at sea level. The thermometer is put in contact with the body, these interact, establishing a balance between the two, it is there that the warmth is read. The foundation of the instrument is based on the occurrence of thermal balancing.

Formulas for transforming from temperature units

a.-Transform °F
a °C: The formula to be used will be:
°C= 5/9 (°F - 32).

b.-Convert °C to °F: The formula to be used will be: °F=9/5 (°C +
32).

C.- Change of °C
a °K: The guide will be: °K= °C +273.

d.-Take °K to °C : It will be done with: °C = °K - 273.

Examples of temperature calculations

1.- How many degrees Celsius is equivalent to a temperature of
85°F?

The data relate the formula to be used. which are:
°F = 85 and the unknown is ° C= ?, then

°C= 5/9(°F – 32), °C= 5/9 (85 – 32), °C= 5/9(53), then 5
x 53 % 9, °C = 29.4.

2.- How many degrees Kelvin is equivalent to 25 ° C?

The data relate to the formula to be used, the
what are they: °C = 25, ° K =?, then

° k = ° C – 273, °k = 25 ° C – 273,
° k = 248.

3.- What are the degrees Fahrenheit whose degree Centigrade
is it 46?

The data are related to the formula to be executed, where: °
F =?, °C = 46

° F = 9/5 ( °C ) + 32, ° F = 9/5 ( 46 + 32), ° F = 9/5
(78), ° F = 78 x 9 % 5, ° F = 140.4.

When the temperature is zero in New York, how many degrees
centigrade are they?

Resp = 17.77.

Examples of temperature in the environment

In liquid heating, it is heated from the bottom up. The change from liquid to gaseous state. Solar radiation to the water. Convection in an object. The temperature control of a sick person. The fusion of a solid to a liquid. Boiled water. The generation of heat in a kitchen.

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