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| | | Chemical reaction |  |
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chickengold92
Level IV
Number of posts : 75
Age : 32
Location : la
Registration date : 2010-12-13
|  Subject: Chemical reaction  Sat Jan 15, 2011 5:09 am | |
| A chemical reaction is a process that leads to the transformation of one set of chemical substances to another.[1] Chemical reactions can be either spontaneous, requiring no input of energy, or non-spontaneous, often coming about only after the input of some type of energy, viz. heat, light or electricity. Classically, chemical reactions encompass changes that strictly involve the motion of electrons in the forming and breaking of chemical bonds, although the general concept of a chemical reaction, in particular the notion of a chemical equation, is applicable to transformations of elementary particles, as well as nuclear reactions.
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| | | | XREDXR
Level IV
Number of posts : 86
Age : 28
Location : Viet Nam
Registration date : 2010-12-07
| | Subject: Re: Chemical reaction Sat Jan 15, 2011 9:10 am | |
| that strictly involve the motion of electrons in the forming and breaking of chemical bonds, although the general concept of a chemical reaction, in particular the notion of a chemical equation, is applicable to transformations of elementary particles, as well as nuclear reactions.
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| | | | sangbmt
Level II
Number of posts : 43
Age : 33
Location : vn
Registration date : 2011-01-11
| | Subject: Re: Chemical reaction Sun Jan 16, 2011 3:15 am | |
| A chemical reaction is a process that leads to the transformation of one set of chemical substances to another.[1] Chemical reactions can be either spontaneous, requiring no input of energy, or non-spontaneous, often coming about only after the input of some type of energy, viz. heat, light or electricity. Classically, chemical reactions encompass changes that strictly involve the motion of electrons in the forming and breaking of chemical bonds, although the general concept of a chemical reaction, in particular the notion of a chemical equation, is applicable to transformations of elementary particles, as well as nuclear reactions.
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| | | | sangbmt
Level II
Number of posts : 43
Age : 33
Location : vn
Registration date : 2011-01-11
| | Subject: Re: Chemical reaction Sun Jan 16, 2011 3:24 am | |
| A chemical reaction is a process that leads to the transformation of one set of chemical substances to another.[1] Chemical reactions can be either spontaneous, requiring no input of energy, or non-spontaneous, often coming about only after the input of some type of energy, viz. heat, light or electricity. Classically, chemical reactions encompass changes that strictly involve the motion of electrons in the forming and breaking of chemical bonds, although the general concept of a chemical reaction, in particular the notion of a chemical equation, is applicable to transformations of elementary particles, as well as nuclear reactions.
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