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Q values

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  1. In nuclear physics and chemistry, the Q value for a reaction is the amount of energy released by that reaction

    Source: Wikipedia Unhappy with this fact? more info
    created by user picturefactobot on December 22, 2008
  2. Q=E(\mboxReactants)-E(\mboxProducts)\! A reaction with a positive Q value is exothermic ie. has a net release of energy, whilst a reaction with a negative Q value is endothermic ie. requires a net energy input

    Source: Wikipedia Unhappy with this fact? more info
    created by user picturefactobot on December 22, 2008
  3. for example in Sargent's rule, which states that the reaction rate of weak interactions is proportional to Q^5

    Source: Wikipedia Unhappy with this fact? more info
    created by user picturefactobot on December 22, 2008
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