A rigid container of oxygen gas has a pressure of 1.56 atm at a temperature of 351 K. What is the pressure at 188 K?

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

Find the number of grams of hcl needed to react completely with .50 moles of magnesium.

What is the amount of energy for a photon that has a 125 cm wavelength