remembering that the barrier to rotation for a pair of eclipsing hydrogens is 4 kj/mol and 6 kj/mol for the eclipsing of a hydrogen and a methyl group what is the barrier to rotation for 2,2-dimethylpropane?

What does the cell nucleus do or, how does it function?

If the density of water is 1.0 g/cm3, which of these materials would float in water, based on their densities? check all that apply. aluminum cork iron lead wax

Consider this equilibrium: n29) + o2(g) + 2no(c).nitrogen gas and oxygen gas react when placed in a closed container. as the reaction proceeds towards equilibrium, what happens to the rate of thereverse reaction?