A 40 g block of ice is heated from -15℃ to its melting point. After the block of ice completely melts, it reaches a final temperature of 16.5℃. Calculate the amount of heat involved in this process. Is this process endothermic or exothermic? Explain your reasoning. pls show the work

Which of these best describes the scientific process

16. in a reaction that has reached equilibrium, a. the forward and reverse reactions are occurring at the same rate. b. the reactants and products are in equal concentrations. c. the forward reaction has gone further than the reverse reaction. d. there are equal numbers of atoms on both sides of the equation. e. a, b, and d are correct.

Which of the following warnings would an agricultural chemist tell a farmer who wants to recycle his or her own ammonia? recycling ammonia is a difficult process that sometimes takes weeks. recycling ammonia requires a degree in biochemistry or a related field. recycling ammonia can be harmful because it is highly flammable and toxic. recycling ammonia costs too much money considering the price of the necessary chemicals.