0
There are two types of numerical scales available: relative and absolute. A relative scale arbitrarily (i.e. as judged by the person) assigns a point of origin that is said to be equal to "zero". While in some cases this makes measurement for some values quite simple (e.g. the freezing point of pure water is 0 Celsius), in other cases moving to the left of the zero mark (that is, producing negative values) could cause formulas to produce unintended results.
On the other hand, an absolute scale relates the origin to some absolute and definite zero. In the case of the Kelvin, the "zero" chosen corresponds to the temperature where the kinetic energy of a perfect crystal of matter is equal to zero. For one thing, this resolves the difficulty of determining what "zero" actually stands for. Another advantage of the Kelvin scale is that it is incremented in absolute values, that is, all values are always positive. This eliminates the problem of factoring in negative values into a particular equation.
Answer When doing chemistry, it is always a good idea to use Celsius or Kelvin, simply because it is measure of temperature that is understood in the majority of the world. Kelvin is simply more accurate to the hypothetical "absolute zero" than Celsius.
The Kelvin scale is adopted for chemical calculations because it is an absolute temperature scale that starts at absolute zero, where particles have minimal energy and motion. This makes it ideal for calculating gas laws, equilibrium constants, and other thermodynamic properties accurately. Additionally, using the Kelvin scale avoids negative temperature values, which are not physically meaningful in many chemical contexts.
Kelvin Scale is an absolute temperature scale. This means that it starts at a different point than Celsius, its counterpart. This is why you must add 273.15 to a Celsius temperature in order to get a Kelvin temperature. The Kelvin scale starts at absolute zero whereas Celsius starts at the freezing point of water. Kelvin is used more often in science such as in the ideal gas equation. It is more convenient to use it than Celsius when dealing with very cold temperatures and with things like the Perfect Gas Laws which reference absolute zero.
The Kelvin scale has an advantage over other temperature scales such as Celsius or Fahrenheit, because the Kelvin scale begins at the true zero of temperature. Zero degree Kelvin means there is no thermal motion at all, the particles of the substance in question are at minimum energy state (electrons still orbit the nucleus and radioisotopes still give off radiation), but no thermal radiation (heat) can be given off. Consequently, the temperature in degrees Kelvin is proportional to the actual amount of thermal energy. Some types of calculations become much simpler as a result.
For physical reasons, it is much more logical to use a scale that doesn't have negative temperatures. The temperature is related to the average energy of particles, and the particles simply don't have a negative energy. - Using an absolute scale, such as Kelvin, makes some calculations simpler than when you use Celsius.
It is convenient. There is never a negative sign with the kelvin temperature scale.
with kelvin the lowest possible temperature is 0, there are no negative figures, but with Celsius absolute zero is way below 0, a minus figure
The Kelvin temperature scale is an absolute, based on thermodynamics scale.
Add your answer:
Earn +20 pts
Why is temperature measured by kelvin?
The Kelvin scale is used for temperature measurement because it is an absolute scale based on thermodynamics. The zero point of the Kelvin scale, 0 K, corresponds to absolute zero where molecular motion ceases. This makes Kelvin ideal for scientific calculations and comparisons.
How do scientists use the kelvin scale?
Scientists use the Kelvin scale to measure temperature in scientific experiments and calculations. The Kelvin scale is based on absolute zero, the point at which all molecular movement ceases. By using the Kelvin scale, scientists can accurately measure temperature without negative values.
Why was the Kelvin scale developed?
The Kelvin scale was developed to establish an absolute temperature measurement that doesn't have negative values. It is based on the concept of absolute zero, the theoretical point at which particles cease to move due to thermal energy. This makes the Kelvin scale ideal for scientific applications and calculations where precise temperature measurements are needed.
Which is better Celsius or Kelvin temperatures?
It depends on what you are using the temperature for. Celsius is more commonly used in everyday life, while Kelvin is often used in scientific and engineering applications because it is an absolute scale with zero at absolute zero, making it useful for calculations involving gases and thermodynamics.
How does the kelvin scale help us?
The Kelvin scale is helpful because it is an absolute temperature scale, meaning it starts at absolute zero (0 kelvin), where particles have minimal thermal motion. This makes it useful for scientific calculations and comparisons as it provides a clear reference point. Additionally, the Kelvin scale is commonly used in scientific fields like physics and chemistry because it simplifies many equations and relationships involving temperature.
What year did kelvin define the absolute temperature scale?
In the year 1848; the kelvin scale was internationally adopted in 1954.
Which scale is used for the gas laws to make correct calculations?
Kelvin scale is used for correct calculations according to gas laws.
Why is kelvin scale more commonly used by chemists?
The Kelvin scale is more commonly used by chemists because it is an absolute temperature scale that is directly related to the kinetic energy of molecules. This makes it more suitable for calculations involving gas laws and other thermodynamic processes in chemistry. Additionally, the Kelvin scale does not have negative temperatures, which simplifies many calculations in chemistry.
Why is temperature measured by kelvin?
The Kelvin scale is used for temperature measurement because it is an absolute scale based on thermodynamics. The zero point of the Kelvin scale, 0 K, corresponds to absolute zero where molecular motion ceases. This makes Kelvin ideal for scientific calculations and comparisons.
Why 1 degree Celsius is equal to the 1 kelvin?
So that calculations between the two would be easier.
In temperature what is K?
In the context of temperature, K typically represents the Kelvin scale. The Kelvin scale is an absolute temperature scale where 0 K corresponds to absolute zero, the lowest temperature that can theoretically be reached. It is commonly used in scientific measurements and calculations.
How do scientists use the kelvin scale?
Scientists use the Kelvin scale to measure temperature in scientific experiments and calculations. The Kelvin scale is based on absolute zero, the point at which all molecular movement ceases. By using the Kelvin scale, scientists can accurately measure temperature without negative values.
What temperature scale must be used in all gas laws?
The temperature scale that must be used in all gas laws is the Kelvin scale. This is because the Kelvin scale starts at absolute zero, which is the point where particles have minimal kinetic energy, making it the ideal scale for gas laws calculations.
Convert 300K into celsius scale?
Subtract 273.15 (or 273, for approximate calculations), from the number of Kelvin.
What advantage does the Kelvin scale have for scientific measurements?
The Kelvin scale is advantageous for scientific measurements because it is an absolute temperature scale that starts at absolute zero, where all molecular motion ceases. This property makes Kelvin ideal for precise and consistent measurements in scientific experiments, especially involving thermodynamics and precise calculations of temperature.
Why was the Kelvin scale developed?
The Kelvin scale was developed to establish an absolute temperature measurement that doesn't have negative values. It is based on the concept of absolute zero, the theoretical point at which particles cease to move due to thermal energy. This makes the Kelvin scale ideal for scientific applications and calculations where precise temperature measurements are needed.
In applying Charles' law temperature must be in what scale?
In applying Charles' law, temperature must be in the Kelvin scale. This is because the Kelvin scale is an absolute temperature scale where zero represents the absence of thermal energy, making it necessary for calculations involving gas laws.
