3. A tire has 10 moles of gas in it, and has a volume of 3 L. Over time, a little gas leaks out of the tire and now there are only 9.5 moles of gas in the tire. What is the new volume?
V1 =?
ni =?
V2 = 2
n2 =?

If the atomic mass of an atom is 34 and the atom contains 13 protons, how many neutrons does the atom contain?

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

Sally is making a model of a magnesium atom with an atomic mass number of 24 for her chemistry class. she has foam balls for the protons, neutrons, and electrons. she has added 6 neutrons to her model so far. how many more neutrons does she need to add to complete her neutral atom of magnesium?