Quizbowl Chemical Quantities I

647 K for H2O

Critical Point

between liquid and gas

Critical Point

Enthalpy of vaporization = 0

Critical Point

First and second derivatives of P to V = 0

Critical Point

Correlation length is infinite

Critical Point

In binary mixture, becomes cloudy

Critical Point

Averaged across resonance structures

Bond Order

½ * (bonding electrons - antibonding electrons)

Bond Order

Inverse w/ bond length

Bond Order

Ditungsten has highest known value

Bond Order

= unit cell lattice constant

Bond Length

Measured by X-ray diffraction

Bond Length

Directly proportional to dipole moment

Bond Length

Morse potential

Bond Length

Squared and constant in microwave spectroscopy

Bond Length

Found at intersection of bubble and dew points in binary mixture diagram

Boiling Point

Trouton’s Rule w/ enthalpy

Boiling Point

Duhring’s Plot

Boiling Point

Guldberg Rule

Boiling Point

Azeotropes

Boiling Point

Colligative property of namesake “elevation”

Boiling Point

ebulloscopic constant

Boiling Point

Meissner method

Boiling Point

Hydrogen bonding increases ___

Boiling Point

Leideinfrost effect

Boiling Point

Negative azeotropes have higher ___ than constituent compounds

Boiling Point

Molality * cryoscopic constant

Melting Point

eutectic point minimizes

Melting Point

Thiele handle capillary tube

Melting Point

Peak in DSC curve

Melting Point

Reciprocal is specific volume

Density

Kepler conjecture states maximum quantity

Density

“columnar number” type

Density

Girolami method

Density

“Isopycnic”

Density

bulk modulus

Density

2nd law of thermodynamics

Entropy

Latent heat / temp in phase transition

Entropy

“Residual” form w/ no molecular motion

Entropy

Trouton’s Rule

Entropy

same for all liquids at boiling point

Entropy

Change in heat / temperature

Entropy

Gibbs’s paradox

Entropy

“Von Neumann” form

Entropy

Sackur-Tetrode equation

Entropy

dQ/T

Entropy

Thermodynamic potential of microcanonical ensemble

Entropy

Slope of coexistence curves in Clapeyron Equation

Entropy

Derived from density matrix denoted rho

Entropy

Conserved in Carnot cycle (w/ temperature)

Entropy

Boltzmann’s constant * ln(# of microstates in a system)

Entropy

Shannon type

Entropy

Boltzmann’s tombstone

Entropy

Does not decreased in closed system

Entropy

Denoted “S”

Entropy

Berkenstein-Hawking formula

Entropy

Berkenstein limit

Entropy

Measure of disorder

Entropy

Clausius’ Theorem

Entropy

Negative trace of (rho) density matrix * ln(density matrix)

Entropy

Helmholtz free energy

Entropy

Clapeyron equation

Entropy

Fluctuation theorem

Entropy

Characterizes spontaneous reactions

Entropy

Proportional to surface area of event horizon in black holes

Entropy

Used in derivation of Onsager reciprocal relations

Entropy

0 for perfect crystals at 0 Kelvin

Entropy

“Arrow of time”

Entropy

Admissibility condition

Entropy

Dissipation

Entropy

Temperature = partial derivative of __ w/ respect to internal energy

Entropy

Renyi type

Entropy

Kolmogrov-Sinai type

Entropy

“Activational” type

Entropy

Change is 0 in adiabatic step

Entropy

10.5 * ideal gas constant

Entropy

Definition by Lieb and Yngavson

Entropy

Change is = nR * ln(ratio of volumes)

Entropy

Maxwell’s Demon decreases __

Entropy

Crocco’s equation

Entropy

Avg of electron affinity and ionization energy

Electronegativity

Sqrt bond dissociation energies

Electronegativity

Effective nuclear charge / covalent radius^2

Electronegativity

Sanderson’s model/principle

Electronegativity

inductive effect

Electronegativity

Mulliken scale

Electronegativity

Determines if covalent bond is polar

Electronegativity

Pauling scale

Electronegativity

Ability of an element to attract electrons

Electronegativity

Lower in energy on MO splitting diagrams

Electronegativity

Formal charge > oxidation state when __ is high

Electronegativity

Reddest lobes on electrostatic potential surface

Electronegativity

Negative derivative of __ w/ rt to N = hardness

Electronegativity

Allred-Rochow scale

Electronegativity

Fluorine has highest value of 4 for ___

Electronegativity

Constant term of 0.744

Electronegativity

On carbon backbones

Electronegativity

Meta-directing and deactivators in EAS reaction if high ___

Electronegativity

Must increase from left to right in IUPAC nomenclature

Electronegativity

Creates chemical shifts in NMR spec

Electronegativity