a certain gas of mass 2.5 gram at 25 degrees celsius and 0.65 ATM occupies a volume of 23.52L. determine the molecular mass of the gas​

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

What stress will shift the following equilibrium system to the left? n2(g) + 3h2(g) ⇌ 2nh3(g) adding more n2(g) adding more nh3(g) increasing the pressure of the system reducing the volume of the container

Which of the following is not a true statement about dwarf planets? a the kuiper belt contains comets, asteroids, and dwarf planets. b ceres is a dwarf planet located in the kuiper belt. c the largest known dwarf planet in the solar system is named eris.