When 2 liters of nitrogen gas react with 3 liters of hydrogen gas at constant temperature and pressure, how many liters of ammonia gas will be produced?

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