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Kinetic energy

Kinetic energy

(Science: chemistry) energy due to the motion of an object


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Re: Enzymes and activation energy.

... part driven by electronic interactions (though other factors, such as kinetic energy and entropy change, also play a role). Take a look at the "Visualizing surface ...

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by jonmoulton
Wed Jul 08, 2009 3:25 pm
 
Forum: Molecular Biology
Topic: Enzymes and activation energy.
Replies: 4
Views: 380

Re: What does activation energy do in a reaction?

... occur. Increasing the temperature, corresponding to a greater average kinetic energy of molecules, is one way of achieving the forceful jamming together that causes a reaction; ...

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by jonmoulton
Mon Jan 05, 2009 5:39 pm
 
Forum: Cell Biology
Topic: What does activation energy do in a reaction?
Replies: 3
Views: 961

Yet another chem problem

Calculate the amount of energy per photon. E = h*nu. Convert using E=1/2 mv^2. Energy of photon = Energy needed to remove an electron + Kinetic energy of the emitted electron http://en.wikipedia.org/wiki/Photoelectric_effect

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by mith
Mon Nov 10, 2008 11:23 pm
 
Forum: General Discussion
Topic: Yet another chem problem
Replies: 2
Views: 349

Yet another chem problem

... I have no idea how to approach this question. Any insight? The minimum energy for photoemission of electrons from a potassium surface is 3.69x10-19 J. What is the kinetic energy of electrons emitted from a potassium surface when it is irradiated by UV ...

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by Darwin420
Mon Nov 10, 2008 9:06 pm
 
Forum: General Discussion
Topic: Yet another chem problem
Replies: 2
Views: 349

Re: Artery vs Vein

... keeps dropping as it goes further away from the heart because it loses kinetic energy with distance increase. Furthermore blood flowing from the lower limbs back to heart ...

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by chanhankiang
Fri Oct 17, 2008 8:01 am
 
Forum: Human Biology
Topic: Artery vs Vein
Replies: 11
Views: 15699
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