Is the color from the flame test an intensive or extensive characteristic of the metal?

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

Take a look at this dandelion. the yellow flower on the right is pollinated and the seeds on the left are transported by

Rank the following four acids in order of increasing bronsted acidity : h2f+ , ch3oh, (ch3)2oh+ , ch3sh2+