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Potpourri
100

A buffer resists change in ____

What is pH?

100

Mass and volume are _______ properties

What are extensive?

100

The _________ reagent controls the amount of product formed

What is limiting?

100

Cations have a _____ charge

What is positive?

100

The score of the Bills-Chiefs game on 11/18

What is 21 (KC) - 30 (B)?

200

The energy needed to remove an electron from a gaseous molecule

What is ionization energy?

200

In order to eject ________ from a metal surface, you strike with enough energy to overcome the __________

What is electrons & threshold barrier?

200

Polar solvents are attracted to _______ molecules

What is polar?

200

The strongest intermolecular force

What is ion-dipole?

200

What word was carved into the wood at the Lost Colony of Roanoke?

What is CROATOAN?

300

ml = ?

(subscript is L, I don't have access to the fancy letters)

What is -l to +l

300

A lower boiling point is indicative of weaker ________

What is intermolecular forces?

300

ms = ?

What is 1/2 or -1/2?

300

The hybridization of 2 lone pairs and 2 sigma bonds

What is sp3?

300

The manatee has three close land-dwelling relatives. Name one of the three.

What is an elephant, a hyrax, and/or a aardvark? 

400

To get Fahrenheit to Celsius, the formula is ____________ 

What is F = (C x 9/5) + 32

400

Ultimately, atoms bond to ___________

What is become stable?

400

_____ has a dipole moment:

CO2 , BeF2 , NH3

What is NH3?

400

The reduced molecule is _________

Zn + Cu2+ ---> Zn2+ + Cu

What is Cu?

400

The third largest organ in the human body

What is the lungs?

500

The hybridization and molecular geometry of PCl5

What is sp3d?

What is trigonal bipyramidal?

500

The energy of a photon is 3.79 x 10-19 J. The work function of the metal is 2.9 x 10-19 J. The energy of the ejected photon is ___________

What is 8.9 x 10-20 J?

500

What kind of bonding will CaF2 participate in?

What is ionic bonding?

500

The oxidation number of C in CH4

What is -4?

500

Humpty Dumpty is a beloved nursery rhyme. Although in the story he is an egg, what is the believed protagonist for the origin of the tale?

What is a siege cannon?

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