A container of oxygen gas is at standard temperature and pressure (STP; 1 atm of pressure and 0° C). If this sample is put into an oven at 280° C, what would its pressure be, in atmospheres? (Volume is constant)

Your roll: experienced electron speech is adressed to: a new "freshman class" of electrons job: write a speech task: you are to pretend that you are giving a speech to a new group of electrons. be sure to mention their placement in an atom, their charge, and their role in chemical bonding (ionic and covalent) be specific!

What volume of a 2.00 m stock solution of naoh is needed to prepare 150. ml of 0.40 m solution?

Which type of orbits are found in the principal energy level n = 2 a - s b - s, f c - s, d d - s, p e - s, p, d