2. Describe briefly of some ways these organisms might interact with
each other. (5 points)

Draw the aromatic compound toluene (methylbenzene). show all hydrogen atoms, including those on the ring.

Scientists are often interested in knowing the molar heat of combustion – the heat released during the combustion of one mole of a substance. use the periodic table to find molar masses. how many moles of ethanol are present in the sample?

Match each term to its description. match term definition excess reactant a) reactant that can produce a lesser amount of the product limiting reactant b) amount of product predicted to be produced by the given reactants theoretical yield c) reactant that can produce more of the product