20.0 g of Potassium reacts with water to produce Potassium hydroxide and hydrogen gas. 2 K + 2 H2O —> 2 KOH + H2
How many miles of hydrogen are there?

your picture is not part of the scientific method.

personal, she chose to do it.

for step 7 table c on the lab "newtons law of action"   the average time it took the car to travel .25 meters   was 1.92 seconds.

the average time it took the car to travel 0.50 meters was 2.61 seconds

hope this : )