How do we define Temperature ?

Question

Define Temperature

Answer 1

You won't like it, but I'll tell you anyway.

Temperature is the inverse of the partial derivative of entropy with reference to energy of a system, holding volume constant. Entropy, meanwhile, is the natural log of the number of quantum states accessible to the system given its macroscopic description. That's the definition. All those other things people are telling you are derived properties and special cases.

I told you you wouldn't like it.

Answer 2

Temperature is defined by the kinetic energy of the molecules due to thermal motion. The scale for measuring it is completely arbitrary; Anders Celsius proposed defining the basic two points of a temperature scale as 0 for the ice point, and 100 for the steam point, of water under standard conditions (1.0135 bar pressure). Additional fixed points have been defined, based on careful measurements, such as the melting point of platinum. You can find a list of these points in the Handbook of Chemistry and Physics.

Answer 3

Temperature of a system is that condition which decides whether the system will be in thermal equilibrium with other system or not when put in contact (without exchange of matter between the two) with each other when they are separated by a diathermic wall represented by a thin copper sheet. The two systems are said to be in thermal equilibrium when their other measurable properties do not change with time. If it is so then the property which is same for both the systems or the set of all such systems is nothing but the temperature of the system.

Answer 4

Temperature is measured in degree kelvin .It related how much vibrational energy the atoms has per degree Kelvin.
Per Big Bang theory thepremordial temperature was maximun and then atenuated as the Universe was formed.

Answer 5

Letter A is the answer Absolute zero is defined as the temperature at which the kinetic enery of an atom or a molecule is minimal (almost zero), attained at 0 K. The thermal motion of an atom or molecule is translational to the kinetic energy.

Answer 6

the temperature of a substance is the average kinetic energy of its molecules.

That's whay as the temperature increases, water boils. The molecules get enough kinetic energy to leave the liquid state and enter the gas state.

Answer 7

The rate of molecular movement, perceived as heat-energy, measured on a defined and accepted scale.

Answer 8

temperature refers to an object ....
the temperature of that object is the relative speed of the molecules of that object at any given time....

when temperature rises, the speed of the molecules increases.. and visa verse

Answer 9

simply temperature is the degree of hotness or coldness of a particular medium.

Answer 10

hey man, great question. well, do you know difference between heat and temperature, first one is the form of energy and the later one is heat's measure. heat is kinetic energy of molecules and temp. is its measure, so don't get confused.heat has unit:joules and temp has celcius or farenheit or kelvin