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Give an example for exothermic and endot...

Give an example for exothermic and endothermic processes.

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(i) `._(92)^(238)U rarr_(90)^(234) TH+_(2)^(4) He+Q(alpha-"decay")` is an exothermic process
(ii)` ._(92)^(238) U rarr _(91)^(237) Pa+_(1)^(1)H+Q` is an endothermic process
For exothermic process, Q is +ve and for an endothermic process, 'Q' is -ve.
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