The analysis of a compound shows it contains 5.4 mol C, 7.2 mol H, and 1.8 mol N. What is the empirical formula of the compound

Using data from seismic waves, geologists have learned that earth’s interior is made up of several

Ants live on acacia trees in south america. the ants feed on sugars secreted by the trees. the trees provide room for the ants to live. the ants sting any other insect or animal that comes to eat the trees. what type of relationship is this?

Anthracite is so hard and pure it is also referred to as a renewable resource metamorphic rock hot bituminous coal dirty fuel