. Ammonia can be made by reaction of water with magnesium nitride as shown by the following unbalanced equation:
Mg3N2(s) + H2O(l)  Mg(OH)2(s) + NH3(g)
If this process is 71% efficient, what mass of ammonia can be prepared from 24.5 kg
magnesium nitride?

The famous scientist galileo galilei did several experiments with sloping planes, which he rolled metal balls down so that he could study motion. by changing the slope, he could study how the speed at which the ball rolled was affected. what was the independent variable in galileo's experiment? a. the speed of the ball b. the slope of the plane c. whether the ball moved d. what the ball was made of