01-06-2021
Chemistry

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Please help with this , thanks you very much

Please help with this thanks you very much class=

Respuesta :

kjashanpreet2004 kjashanpreet2004

01-06-2021

Explanation:

reaction A is exothermic reaction as a substance is produced from two substances

and

reaction B is endothermic as two substances are formed from one complex structure

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