A dog ran 20 meters in 5 seconds. What was the dog's speed? (Use the equation s = d(division sign here) t.) A. 5 m/s
B. 0.25 m/s
C. 20 m/s
D. 4 m/s

Achemist wants to extract copper metal from copper chloride solution. the chemist places 0.50 grams of aluminum foil in a solution containing 0.75 grams of copper (ii) chloride. a single replacement reaction takes place. (ii) chloride. a single replacement reaction takes place. which statement explains the maximum amount of copper that the chemist can extract using this reaction? a) approximately 0.36 grams, because copper (ii) chloride acts as a limiting reactant b) approximately 1.8 grams, because copper (ii) chloride acts as a limiting reactant c) approximately 0.36 grams, because aluminum acts as a limiting reactant d) approximately 1.8 grams, because aluminum acts as a limiting reactant

What is the mass of 2.00 l of an intravenous glucose solution with a density of 1.15 g/ml?

Which is an example of a reversible physical change?