A car is driven for 3 hours. What else do you need to know to describe this car's speed? the number of passengers in the car. the time of day.
the road the car in driven on.
the distance the car is driven.

If 200.0g of copper(ll) sulfate react with an excess of zinc metal, what is the theoretical yield of copper

Mike and mitchell decide to have a foot race. they mark off a stretch of 100 yards, and recruit cindy to work the stopwatch. after running the race and looking at the results, cindy declared that mitchell was the fastest. so how did the boys times compare?

Question 3(multiple choice worth 4 points) (04.04 lc) what does it mean when an element is reduced? it empties a valance shell, reducing its atomic radius. it gains electrons, reducing its overall charge. it increases electronegativity, reducing its ability to bond. it loses electrons, reducing its electron number.