What is the pressure inside a container of 3 moles of gas with a volume of 60 Liters at a temperature of 400 K? I just need the answer not a link please :)

Which of these best describes the scientific process

Which statement justifies that phosphine (ph3) is a polar molecule?

Three cards with holes are arranged in a straight line. a light is shined through the first card’s hole and travels through all three cards. what does this tell you about light rays? a) that light is reflected b) that light is refractive c) that light travels in a straight line d) that light does not travel in a straight line