N₂ + 3h₂ 2nh₃ how many molecules of h₂ are in the reactants? how many nitrogen atoms are present? how many moles of nh₃ are formed?

About 70 percent of the earth's surface is water-covered, and about 96.5 percent of all earth's water is salt water. identify the watery feature on earth that is made of freshwater rather than salt water. a) bay b) glacier c) ocean d) sea it is not incomplete this is the true question

If 1.8 l of water is added to 2.5l of a 7.0 m koh solution, what is the molarity of the new solution

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