Use the information below to answer the question that follows. Michael's soccer team has a game on a cold January day. One of the players on the other team hurts his leg. His
coach pulls out a small bag, makes some crushing motions, and the bag turn cold. The bag is placed on the injured
leg. In the meantime, the spectators are cold in the stands. To warm their hands they pull out small packages, crush
them, and the bags turn warm.
In the above narrative, what is the example of an exothermic reaction?
the soccer game
the ice pack
spectator package
the ball

any far is the region can control the climate

because natural gas is colorless, odorless, and tasteless, distributors add mercaptan (a chemical that smells like sulfur) to give natural gas a distinct unpleasant odor (it smells like rotten eggs). they locate the types of rock that are likely to contain natural gas deposits.

> b takes place in the gas phase in an isothermal tubular reactor. the feed is one mole of a per one mole of c, an inert. the entering temperature and pressure are 427°c and 10 atm, respectively. the gas constant r = 0.08206 atm · l/mol · k.