Draw a Lewis structure and indicate the hybridization for each molecule that contains more than one interior atom. Draw the Lewis structure for C2H2 (whose skeletal structure is HCCH). Draw the molecule by placing atoms on the grid and connecting them with bonds. Include all lone pairs of electrons.

See figure 1

Explanation:

In this question, we have to remember that each carbon has 4 electrons and each hydrogen has 1 electron. Additionally, the structure proposed have to have 8 electrons for each atom (except hydrogen). With this in mind, we need to have a double bond between the carbons, because in this arrangement each carbon would have 8 electrons (octet rule).

See figure 1

I hope it helps!

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

d.) the average kinetic energy of the gas particles is greater in container b because its particles move faster.