Does the production of a new gas by a substance represent a chemical property?

Imagine that you own a property that is exactly 2.2 acres large. you want to sell your property, but your realtor tells you that you cannot sell your land by the acre. in order to sell your land you need to determine the area you own in units of square meters? given that there are 1.6 kilometers in 1 mile and 640 acres in 1 square mile, what is the area of land that you own in square meters square meters?

Balance this equation co2(g) + h2o (g) show that the balanced equation obeys the law if conversation of mass

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