How much volume will 1.4 moles of H2 occupy at 15 C and 1.0 atm?

Which compound contains both ionic and covalent bonds? a) hbr b)cbr4 c)nabr d) naoh

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

You have a liquid that exhibits diltancy. you want to pour it from a bottle. what should you do to the bottle before pouring