The molecular structure of vitamin c (as you will see it in organic chemistry) is shown below. in the usual shorthand structure, each point where lines meet represents a c atom and most h atoms and lone pair electrons are not shown. draw the complete structure of the molecule, showing all c atoms, all h atoms, and lone pair electrons. indicate the hybridization of each c and o atom in the structure. determine the formal charge on each oxygen in the structure. if an h+ is lost from one of the oh groups, what will be the formal charge on the o that is left?

first let us lay out the formula for potential

and kinetic energy:

pe = mgh

ke = (mv^2)/2

where: m=mass, v=velocity, g=gravitational

acceleration, h=height

calculating for mass using the known values of

pe:

340j = m (9.81 m/s^2) (50ft) (1m/3.28ft)

m = 2.27 kg

the law of conservation of energy states that

energy is neither created nor destroyed. therefore, the change in kinetic

energy from 50 ft to 35 ft would be equal to the change in potential energy

from 50 ft to 35 ft. however it would be opposite in signs since one is losing

while other is gaining.

ke(35ft) – ke(50ft) = - [ pe(35ft) – pe(50ft]

ke(50ft) = 0 since the brick is initially at rest

ke(35ft) = 340j - 2.27kg (9.81 m/s^2) (35ft)

(1m/3.28 ft)

ke(35ft)

= 102.38 j