Aneutral atom of beryllium (be) has an average mass of 9 amu and 4 electrons. how many neutrons does it have? a. 13 b. 5 c. 9 d. 4

Explain how the integumentary system plays a crucial role in the ability to maintain homeoestasis

Explain why pure hydrogen cyanide does not conduct electricity, but become a conductor when it is dissolved in water? (at room temp, pure hcn exists as a volatile liquid)

Nitrogen dioxide decomposes according to the reaction 2 no2(g) ⇌ 2 no(g) + o2(g) where kp = 4.48 × 10−13 at a certain temperature. if 0.70 atm of no2 is added to a container and allowed to come to equilibrium, what are the equilibrium partial pressures of no(g) and o2(g)