By touching the side of a beaker, a student concludes that an exothermic change is taking place inside it. Write 2 – 3 sentences explaining how the student came to that conclusion and comparing the energy of the products of an exothermic reaction with the energy of the reactants.
Question : Heat a. If 0.45 kg of iron at 140°C is added to 1.5 kg of water at 22°C, what will be the final temperature of the system? b. By touching the side of a beaker, a student concludes that an exothermic change is taking place inside it. Write 2 – 3 sentences explaining […]