What is the pH and poH of a solution made by adding water to 25 grams
of hydroiodic acid (HI) until the volume of the solution is 1500 mL?

2pos suppose an object in free fall is dropped from a building. its starting velocity is 0 m/s. ignoring the effects of air resistance, what is the speed (in m/s) of the object after falling 3 seconds? give your answer as a positive decimal without units. answer here

1. list three scientific reasons cockroaches may fly.

Chemistry worksheet - i am not sure what they are asking for exactly?