Question

FAN AND MEDAL
A student performs a reaction twice. In the second trial, she raises the temperature by 20ºC and notices that the reaction takes place more quickly. She concludes that the reaction must be endothermic. Explain why the student is incorrect.

Answer 1

@AloneS

Answer 2

@Luigi0210

Answer 3

@satellite73

Answer 4

I would also say it is incorrect because raising the temperature increases the kinetic energy of system. As a result, there are more collisions between particles and therefore a higher rate is observed and thus higher Kinetic energy of the particles is also observed leading the particles to collide more rapidly and giving OFF energy which is an exothermic reaction @needhelpinalgebra hope this helps :)