Unit Symbols
What is the unit symbol for a liter?
L
In PV=nRT, what does the “n” stand for?
n = number of moles
How do you convert celsius to kelvin?
C+273.15=K
What is [H3O+]? (in words)
Hydronium
What is Avogadro’s number?
6.022 × 10^23
What does the unit symbol ‘m’ stand for?
meter
What is Dalton's Law of Partial Pressures equation?
Ptotal = PA + PB + PC + ...
What is the standard SI definition for the unit of electric potential?
1 volt = 1 Joule/ 1 Coulomb
What is the equation to solve for pH?
pH=-log[H3O+]
What does the variable F stand for?
Force
What is the unit symbol for hertz?
Hz
What is the combined gas law equation?
(P1V1)/T1 = (P2V2)/T2
How much total charge (in Coulombs) passes through a cross-section of a wire if a constant current of 5 Amperes flows for 2 minutes?
600 coulombs
What is the equation to solve for pKa?
pKa=-log Ka
What does the variable λ stand for?
What does the variable λ stand for?
What is the unit symbol for a Coulomb?
C
How do you calculate absorbance?
A= εbc
What is the definitional equation for electric current?
1 ampere = 1 coulomb/ 1 second
What is Ka? (in words)
The acid dissociation constant: measures an acid’s strength
What is the equation for Coulomb’s law?
F= (q1q2)/r2
What does the unit symbol ‘A’ stand for?
Ampere
What is the equation for Kinetic Energy?
KE= ½mv2
What is the standard atmospheric pressure at sea level?
1 atm = 760 mm Hg = 760 torr
What is the equation for Kb?
Kb = ([OH-][HB+])/[B]
What is the speed of light?
c= 2.998 x 108 m s-1