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

‘which reaction would most likely require the use of an inert electrode?

How many grams of ammonia would be produced by the decomposition of 16.93 mlof hydrazine? (the density of hydrazine is 1.021g/ml)

Which factor is likely to impact the possible number of compounds? presence of unlimited number of elements in the periodic table the inability of atoms to align perfectly with other atoms the ability of all elements to react with every other element all elements being equally reactive