How many moles of propane reacts with 1.56 mol of oxygen?

What method(s) do plants use to obtain nitrogen? select all that apply. absorb it from the atmosphere use bacteria to convert nitrogen to usable form obtain usable nitrogen compounds from the soil absorb nitrogen from water taken in at the roots

Which class of molecules functions as chemical signals? hormones water carbohydrates proteins

Astudent reacts 13 moles of iron with 21 moles of oxygen according to the following equation: