How much pressure (in atm) would be found in 5.8 moles of an ideal gas at 358 K and volume of 3.9 L?

Which object forms when a supergiant runs out of fuel? a red giant a black hole a white dwarf a neutron star

If you add 5.00 ml of 0.100 m sodium hydroxide to 50.0 ml of acetate buffer that is 0.100 m in both acetic acid and sodium acetate, what is the ph of the resulting solution? acetic acid: ka = 1.8. x 10-5

An atom of which element reacts with an atom of hydrogen to form a bond with the greatest degree of polarity ?