The element hydrogen is made up of which kind(s) of atoms? a. only oxygen atoms b. only hydrogen atoms c. more hydrogen atoms than oxygen atoms d. more oxygen atoms than hydrogen atoms

The skeletal system performs a variety of functions that are crucial to maintaining life processes. what function is performed in the bone marrow, but not in the ossified bones of the skeleton? a oxygen transportation c mineral storage b. muscle attachment d red blood cell production

Which element has the lowest electronegativity? calcium(ca) gallium(ga) selenium(se) bromine(br)

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)