The police went on a wild chase to catch this man speeding through town in a black pick-up truck. At times their speeds exceeded 85.0 mph. At that rate, how many dakameters (dam) would the car go in 20.0 minutes?

Does anyone know a lot about how to: - calculate mass of magnesium metal - calculate the actual yield of magnesium oxide - calculate the theoretical yield of mgo - calculate the percent yield of mgo - determine the percent yield of mgo - determine the average percent yield of mgo i had to do an online lab and its asking these questions but i have no idea where to start or how to be able to find these things. i can post the chart of the data from the lab or if you can tell me exactly how i can find each.

Which of these properties, used alone, would be least useful in identifying most minerals? a. color b. luster c. streak d. density

What happens when an acid dissolves?