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Heat Energy

A form of energy that is transferred by a difference in temperature.Heat energy is the energy stored within atoms, that can be produced when the organism vibrates and causes friction. The amount of heat Energy in a given entity is measured by the amount of equivalent energy that would be required to heat the substance up by one degree Celsius.

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Re: Food to ATP energy?

... in that process. So, the 30 moles of ATP produced can only be converted into 219 kilocalories. That means glucose oxidation releases most of its heat during the process of making ATP (Lucky you!) . Now, 7.3kilocalories is the same as 7,300 calories (or 7.3 Calories with a capital "C").

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by tmbirkhead
Thu Aug 14, 2014 1:11 am
Forum: Cell Biology
Topic: Food to ATP energy?
Replies: 2
Views: 1083

Food to ATP energy?

... I guess this is a process during which the food looses some of the energy as our digestive system does not operate under 100% efficiency. I ... all this energy surplus used? There is no way so much of it is lost to heat as I also read that the energy efficiency of the human body is around ...

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by Viktor
Fri Jun 27, 2014 10:50 pm
Forum: Cell Biology
Topic: Food to ATP energy?
Replies: 2
Views: 1083

ecosystem: assimilation, dissimilation, decomposers, etc.

Source 1 shows a part of the energy flow diagram in an ecosystem. http://i.imgur.com/8qI2PRt.png ... energy that is released through dissimilation, is not only released in the form of heat. What can this energy 'Q' be used for by the organism? I think this energy (e.g. ...

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by DarDerk
Tue Nov 05, 2013 7:55 pm
Forum: Ecology
Topic: ecosystem: assimilation, dissimilation, decomposers, etc.
Replies: 0
Views: 1549

How do i know if a reaction is endothermic or exothermic?

... Enthalpy: 498 - 680= -182 Therefore, the reaction is exothermic because energy is released from the bond. Can you please tell me what i did wrong ... reaction is a reaction which requires energy overall and absorbs heat. While exothermic reactions release energy overall and releases heat. ...

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by VxW
Sun Nov 03, 2013 6:39 pm
Forum: General Discussion
Topic: How do i know if a reaction is endothermic or exothermic?
Replies: 1
Views: 3460

Energy; respiration and photosynthesis

i allso have a question......... does the sun produce energy, or does it transform energy from one state to light energy ??? if it ... energy in, before it was transformed into light energy ??? where does heat in the sun get its energy from?

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by pathfinder
Wed Sep 11, 2013 2:14 am
Forum: Ecology
Topic: Energy; respiration and photosynthesis
Replies: 7
Views: 6755
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