Answer:
O lowering the temperature of the system
Answer:A. An increase in temperature increases the reaction rate.
Explanation:because of the disproportionately large increase in the number of high energy collisions. It is only these collisions (possessing at least the activation energy for the reaction) which result in a reaction.
Answer:
Explanation: A yellow precipitate o lead iodide is formed. see equation of reaction below:
→ 
Th PbI2 is the insoluble yellow precipitate
FLOOR. Most of the molecules that dont sick to something fall on the floor so most would be on the FLOOR.
Answer: ok ill just take my points in dip
Explanation: