activation energy is the minimum amount of the energy needed for chemical reacton to begin

Concept of Activation Energy - For a reaction to occur, reactant molecules must collide with each other. Only those collisions result in product formation which have energy equal or more than a certain minimum energy. This energy is called..

Energy can be defined as the ability to do work. A good source of energy would be the one which would: do a large amount of work per unit volume or mass be easily accessible be easy to store and transport and be economical Fossil Fuel Fossil fuel is a hydr..

Energy Flow - All living beings require a constant supply of energy for the various functions they perform. The energy is obtained from the sun. This energy is introduced into the biosphere by green plants by a process known as photosynthesis. Plants are able..

fig. 1.2 - Energy transfer and energy transformation Examples of energy transformation 1. Photosynthesis - in which green plants transform radiant solar energy into chemical energy that gets stored as potential energy in carbohyd..

In order to live and enable ourselves to do everyday work we need energy. The prosperity of a country depends upon the availability of energy. Huge amount of electrical energy is used to run the air conditioners, cold storage and other domestic appl..

Energy is the capacity to do work. Solar energy is transformed into chemical energy by the process of photosynthesis, and is stored in plant tissue and then transformed into mechanical and heat forms during metabolic activities..

Ionization Energy - The amount of energy required to remove the most loosely bound electron from an isolated gaseous atom is called ionization energy (IE..

Every organism has a tendency to increase its entropy, which is very much in accordance with the second law of thermodynamics. In order to maintain its organisation at the molecular, cellular and organismic levels, every organism is forced to obtain energy from its surroundings, so that ..

Energy is the capacity to do work. Solar energy is transformed into chemical energy by the process of photosynthesis, and is stored in plant tissue and then transformed into mechanical and heat forms during metabolic activities. The energy..

transformations, which occur within the ecosystem are considered in ecological energetics. The quantity of solar energy entering the earth's atmosphere is about 15.3 x 10 8 cals/m 2 /year (1 cal = 4.184 J). But the average amount of solar energy (per unit area per unit..