How many grams of C2H4 are needed to produce 3.7 moles of water?

The most efficient way to establish the best possible economizer position is to measure

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

The empirical formula of a compound is ch2o and its mass is 120 amu/molecule, what is its formula?