can somebody please help me with a virtual lab? I don't understand it. Convection, Conduction and Radiation. 100pts to anybody that can help please and thank you

the potential energy of the reactants is 200j.

from the energy diagram, the energy of the product formed is 350j; this means that, this reaction is an endothermic reaction, because it absorbs energy from its environment.

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i think it's c. if you look search electronic symbol on google and then click on wiki it shows you a

answerspecific gravity;