1. a. Draw Lewis structures for ethane (C¬2 H6), ethylene (C2 H4), and acetylene (C2 H2. ). b. What is the hybridization of the carbon atoms in each molecule?
c. Predict which molecules, if any, are planar
d. How many σ and Π bonds are there in each molecule?

An electron moved from shell n = 2 to shell n = 1. what most likely happened during the transition? a fraction of a photon was added. a photon of energy was absorbed. a fraction of a photon was removed. a photon of energy was released.

How are the terms group and period used on the periodic table

Find the enthalpy of neutralization of hcl and naoh. 87 cm3 of 1.6 mol dm-3 hydrochloric acid was neutralized by 87 cm3 of 1.6 mol dm-3 naoh. the temperature rose from 298 k to 317.4 k. the specific heat capacity is the same as water, 4.18 j/k g. a. -101.37 kj b. 7055 kj c. 10,1365 kj