PhysicsExplain Raise of Temperature and Internal Enerty of Body On the basis of molecular kinetic theory of substances we know that the molecules of a substance always remain in motion. The molecules of a…
PhysicsMathematical Example: Temperature Question: The temperature of body of a healthy man is 98.4°F. What would be the reading in Celsius scale? Given, Temperature in Fahrenheit scale, F…
PhysicsEstablishing a Relation Among different Scales of Temperature Generally, there are three common types of temperature units: Kelvin (K), Celsius (C) and Fahrenheit (F). Let A and B be the lower fixed point…
PhysicsExplain Relation among Celsius, Fahrenheit and Kelvin scale A scale of temperature is essential to indicate the temperature of a body accurately. Two definite temperatures are taken as constant to prepare a temperature…
ChemistryKinetics of Second Order Chemical Reaction An example of a second-order reaction is the atmospheric reaction between nitric oxide (NO) and chlorine (Cl2). The superscript dots indicate radicals i.e. unpaired electrons.…
ChemistryHeats of Reaction and Temperature The enthalpy change for a chemical reaction is ΔH1 at temperature T1 and ΔH2 at temperature T2. In science we always show a change in…
PhysicsExplain Calorimetry with Example Since heat flows spontateneously from object with high T to an object with low T, the temperature of a body changes when the heat is…
PhysicsWhat is Temperature and Heat? While a formal definition of temperature is outside the scope of introductory physics, “temperature is the thing that’s the same for two objects after they’ve…
PhysicsHow many kinds of fixed points in thermometer scale? The fixed points used in temperature scale are: (i) Lower fixed point or ice point or freezing point and (ii) Upper fixed point or steam…
PhysicsWhat is Pyrometer? The device which is used for measurement of very high temperature is known as Pyrometer. The meaning of ‘Pyros’ is fire. So Pyrometer is used…