To determine whether a chemical reaction is spontaneous we must calculate the change in total entropy of the chemical system and its surroundings. This can be done directly using Î´ S Â° sys and âÎ´HÂ°/ T or indirectly using the change in Gibbs free energy Î´ G Â°.
Infield shift. The infield shift is a generic term used in baseball to describe an extreme defensive realignment from the standard positions to blanket one side of the field or another. Used almost exclusively against left-handed batters, it is designed to protect against extra base hits pulled hard into the gaps between the fielders on the right side.
1 Pick Off: The pitcher throws the ball to a fielder who can then tag a base runner, preventing the runner from stealing or advancing to next base. 2  Pinch Hitter: A hitter replaces the starting player in the line-up. 3  Pinch Runner: A player replaces a runner already on base.  Pitch: Delivery of the baseball to the batter.