How many grams of KCl is needed to make 125 mL of a 4.0 M solution?

This is a characteristic of the elements in the periodic table that shows a pattern. it may increase or decrease across or down the table.

What type of reaction is shown below? check all that apply. 2h2o2 → 2h2o + o2 synthesis decomposition combustion

Which common material is an example of a polymer? (25 pts) a. steel b. plastic c. petroleum d. rubbing alcohol