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Energy
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 hydrocarbon de..
Thermal Power Plant (Thermal Energy)
Large amount of fossil fuels are burnt everyday in power stations to heat up water, to produce steam which further runs the turbines to generate electricity. The transmission of electricity is more efficient than transporting coal or petroleum over the same distance. Theref..
Nuclear Energy and Chemical Energy
>Complete the following fission reaction: What should be the value of x? Is the mass conserved? Explain. Suggested Answer:- x = 3 Mass is not conserved. The difference in mass is converted to energy as the binding energy of the nuclides changes. Example 9:- What is the..
>Complete the following fission reaction: What should be the value of x? Is the mass conserved? Explain. Suggested Answer:- x = 3 Mass is not conserved. The difference in mass is converted to energy as the binding energy of the nuclides changes. Example 9:- What is the..Thermal Power Plant (Thermal Energy)
Large amount of fossil fuels are burnt everyday in power stations to heat up water, to produce steam which further runs the turbines to generate electricit..
mechanical
Digestion - breaking down food into simpler forms. Digestion is both and chemical . The digestion may take place outside cells ( extracellular ) or within the cells ( intracellular ). Absorption - Taking in of food in the soluble forms into the tissues. The absorption may be passive (without ..
Energy flow
Although matter circulates, energy cannot be reused indefinitely. Solar energy is converted by the photosynthetic producers (plants) into chemical energy in the form of plant carbohydrates. Herbivores consume the plant carbohydra..
Geothermal Energy
. A second borehole is then drilled into the cracked rocks. Water is pumped down the first hole and forced through the cracks. The water gets heated and returns through the other hole as hot water. This energy equals to that stored in 10,000 million tones of coal. In some parts ..
Photosynthesis and Energy
. In fact, ATP drives the dark reactions which convert CO 2 and H 2 (from water) into glucose and other carbohydrates. In the presence of a suitable catalyst, ATP releases energy by undergoing a three step hydrolysis of the P-O bond of its triphosphate groups (P-O bond). In the ..
Law of Conservation of Energy
Law of Conservation of Energy - Let us see what is actually taking place in the following examples: Steam engine: The coal burns. Heat due to the combustion of coal converts water into steam. The expansive force exerted by the steam on the piston of the engine moves the locomoti..
Law of Conservation of Energy
Law of Conservation of Energy - Let us see what is actually taking place in the following examples: Steam engine- Here the coal burns and the heat due to the combustion of coal converts water into steam and the expansive force exerted by the steam on the piston of the engine mov..
Result
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