How can absolute vs apparent magnitude change how we think we know about the galaxy

The formation of a solid, also known as a is an indication of a chemical change. precipitate particulate particle powder

How many grams of co(g) are there in 74.5 ml of the gas at 0.933 atm and 30o c?

As air becomes more dense, (select all that apply) o. air weighs less o. gas molecules are closer together o. air is colder o. air weighs more o. gas molecules are further apart o. air is hotter