A catalyst increases the rate of a chemical reaction by becoming intimately involved with the reaction mechanism causing an increase in the overall activation energy. The mechanism of a chemical reaction is the series of single-event steps taken as reactants are converted to products. If the concentration of a reactant is doubled, the reaction rate may not increase at all. In the collision of two reactant molecule, the most important thing that must take place is the correct molecular orientation in the collision, no matter how much energy is involved in the collision. 512 sec 12.
Radioactive decay is a first-order process.
It is widely used in medical imaging. Here are a few matching questions concerning solutions and kinetics. In the blank please place the letter corresponding to the item on the right that best fits the statement. Here are some short answer questions, graphing problems, etc. If a straight line plot results, then the reaction is first order in ammonia.