How might you make sure you have the correct amount of nitrogen and hydrogen so that you have enough of each with not wasted surplus?

2pos suppose an object in free fall is dropped from a building. its starting velocity is 0 m/s. ignoring the effects of air resistance, what is the speed (in m/s) of the object after falling 3 seconds? give your answer as a positive decimal without units. answer here

Table sugar completely dissolved in water is an example of a?

What is the percentage of hydrogen in c2h4