Regarding the topic moles , when do we know whether they want us to multiply with the number of atoms and the avogadro's number or just divide/multiply by the avogadro's number only.

6. what does the symbol ah stand for? o one calorie given off by a reaction the specific heat of a substance the heat capacity of a substance the heat of reaction for a chemical reaction

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

How have the greenhouse gasses increased from the year 2000 to 2018