K(s) + 1/2 Cl2(g) → KCl(s) ΔH = -437 kJ/mol The elements K and Cl react directly to form the compound KCl according to the equation above. Refer to the information above and the table to answer the questions that follow.

Cl2(g) + 2e- → 2Cl-(g)

Which of the following expressions is equivalent to ΔHo for the reaction represented above?

Process ΔH° (kj/mol)
K(s) → K(g) v
K(g) → K+(g) + e^- w
Cl2(g) → 2Cl(g) x
Cl(g)+ e^- → Cl^-(g) y
K+(g) + Cl(g)^- → KCL z

a gas, having a molecular weight of 13 kg/kmol and a kinematic viscosity of 0.25 cm2/s, flows through a pipe 0.25 m internal diameter and 5 km long at the rate of 0.4 m3/s and is delivered at atmospheric pressure.

a pan containing water is placed in a positio n where it is exposed to a 10 mile per hour wind. the pan contains a uniform depth of 1.27 cm of water, is quite wide, and has a length of 2.44 m in the wind direction. the water in the pan is at a constant temperature of 15.5 °c.