CM8001

Q1. From personal experience, state whether these processes are endothermic or exothermic. Give a reason for each.
a. A charcoal briquette burns.
b. Water evaporates from your skin.
c. Ice melts.

Q2. Chemical explosions are very exothermic reactions. Describe the relative bond strengths in the reactants and products that would make for a good explosion.

Q3. How might you explain the difference between temperature and heat to a friend? Use some practical, everyday examples.?

Q4. A premium gasoline available at most stations has an octane rating of 98. What does that tell you about:
a. the knocking characteristics of this gasoline?
b. whether the fuel contains oxygenates?