Born Haber Cycle

The Born Haber Cycle is a method of visualising Hess' law and is often used to find lattice enthalpy, which cannot be determined empirically. Lattice enthalpy measures the energy needed to break apart ionic bonds in a lattice structure. In a Born Haber Cycle, lattice enthalpy can be found by combining the enthalpies of atomisation, ionisation (usually endothermic) and electron affinity (exothermic).

Also something that strikes fear into the hearts of IB chemistry students.

Draw the Born Haber Cycle of MgCl2 to find its lattice enthalpy. (6 marks)

by 志度哪 February 4, 2022

all must serve the cycle

ɯɐoɟ ɟo sɹɐǝ ɥʇᴉʍ uǝʇsᴉl puɐ puɐs ɟo ǝpɐɯ sǝʎǝ ɥʇᴉʍ ɥɔʇɐʍ ʎǝɥʇ

“All must serve the cycle”

by Kleinmans December 11, 2022

hit for the cycle

from the baseball term

to complete four separate sexual acts with a girl in the same encounter

a. blowjob
b. anal intercourse
c. vaginal intercourse
d. receive rimjob

Yo, I hit for the cycle with Stacy last night.

by cycleguy September 16, 2012

blowing for the cycle

When a girl gives a blow job to a guy in each grade: Freshmen, Sophomore, Junior, and Senior

Pete: Shantelle's had quite the week. She blew Chris and Issac last week. After blowing Eric last summer…

Kevin: She's a freshman away from blowing for the cycle.

Pete: God I wish I was a freshman.

by gdawg17 February 2, 2014

spin cycle

to spin a girl with your cock in her ass counterclockwise until she has a bowel movement on you

last night, i gave her a nice spin cycle

by jericho young December 25, 2007

power cycle

To watch an entire season of a television show in a short amount of time.

I was sick, so I decided to power cycle through season 2 of 'Family Guy'.

by AbsolutAmber January 12, 2009

Delicious Cycle

An infinite (and ironic) loop, as originally observed by the webcomic XKCD (#140), where having leftovers of one nacho ingredient encourages you to buy another nacho ingredient to make nachos. Naturally, this leaves an excess amount of another nacho ingredient, continuing the cycle. This situation is known to be delicious, and is a practical example of chipiculty.

I have leftover cheese, I should get chips and make nachos. ... I have leftover chips, I should get cheese and make nachos. I am trapped in a delicious cycle!

by The Pip January 15, 2009