What minimum volume of 3.50 m h3po4 is required to produce 10.0L of h2 at STP

Compare the valence electron configuration of the nobles gas elements seen here. what statement is correct?

Transportation is the largest single source of air pollution in the united states. air pollution can harm the environment and human health. which technology could offer a solution to this problem? mufflers that reduce noise motors that run on electricity tires that improve gas mileage

What type of organic molecule comprises the majority of a potato?