2023 ChemE Jeopardy Prelim single

The February 3, 2023 train derailment in East Palestine, Ohio resulted in the release of this hazardous chemical.

What is vinyl chloride?

Location (city and state/country) of an accident described as “an ammonium nitrate explosion that occurred at a storage facility in April 2013.”

What is West, Texas?

The company at which an accident described as “a refinery fire in Richmond, California in August 2013 triggered by a leaking old pipe” occurred.

What is Chevron?

Location (city and state/country) of an accident described as “a huge explosion at a sugar refinery in February 2008 that resulted in 14 deaths.”

What is Port Wentworth, Georgia?

Release and ignition of this chemical was involved in the June 1974 Flixborough, England disaster

What is cyclohexane?

This German physicist introduced the concept of electrical resistance in 1827.

Who is Georg Ohm?

This famous U.S. inventor developed the first thermal power station in the United States in 1882.

Who is Thomas Edison?

The United States electric grid system delivers AC power at 110-120 volts at this many Hertz.

What is 60 Hz?

This Italian physicist invented the battery in 1800.

Who is Alessandro Volta?

This English physicist published the law of induction in 1831 (Joseph Henry developed the same law independently).

Who is Michael Faraday?

This dimensionless number represents the ratio of convective mass transfer to diffusive mass transport.

What is the Sherwood Number?

Process where Na = -Nb

What is equimolar counterdiffusion?

This is the average distance traveled by a gas molecule or other particle between collisions with other particles

What is the mean free path?

A chemical’s concentration during non-steady state diffusion from a constant source has the same dependence on distance as it has on this power of time.

What is -1/2?

At low Reynolds number, the diffusion coefficient of spherical particles in a liquid can be determined from this equation, as derived by hydrodynamic theory.

What is the Stokes-Einstein Equation?

This is the volume (in liters) of one mole of an ideal gas under STP conditions.

What is 22.4?

This equation of state is given by

What is the virial equation of state?

This equation is given by the following:

What is the Clausius-Clapeyron Equation?

This is the number of moles (to 3 significant figures) of nitrogen per mole of oxygen in air that is used when conducting combustion reaction calculations.

What is 3.76?

This “law” states that the volume of a gas mixture is the sum of the pure component volumes

What is Amagat’s Law?

Method used to separate solids from fluids by interposing a medium through which only the fluid can pass.

What is filtration?

This is used to separate components from a rising gas with the use of a falling liquid to trap the gas

What is absorption? Or What is a scrubber?

This equipment uses centrifugal force to separate solids from a gas stream.

What is a cyclone?

In liquid extraction the two phases are commonly called the extract phase and the _______.

What is the raffinate phase?

This plot, used in chromatography, shows the effect of velocity on plate height.

What is the van Deemter Plot?

Name of the bar that Homer Simpson frequents

What is Moe’s Tavern?

This was the name of Ned Flander’s first wife

Who is Maude Flanders?

During the 2-part episode “Who Shot Mr. Burns?” Mr. Burns was shot and hospitalized. This person shot Mr. Burns.

Who was Maggie Simpson?

The name of the annual series of special Halloween-themed anthology episodes, formerly known as The Simpsons Halloween Specials.

What is the Treehouse of Horror?

This was Homer’s high school yearbook quote.

What is “I can’t believe I ate the whole thing?”