Midterm 2 Flashcards
0
Q
Graham’s Law
A
V(a)/V(b)=sqrt[MW(b)/MW(a)]
1
Q
Kinetic Energy
A
(1/2)mv^2
2
Q
Force
A
pressure x area
3
Q
Work
A
- force x distance
- pressure x area x distance
- pressure x volume
4
Q
Gibbs free energy
A
delta(G)= delta(H) x T[delta(S)]
5
Q
Energy of a System
A
Delta(q)= heat flow + work
6
Q
Formation Enthalpies
A
Delta(Hrxn)=delta(Hproducts)-delta(Hreactants)
7
Q
Bond Enthalpies
A
Delta(Hrxn)=delta(H bonds broken)- delta(H bonds formed)
8
Q
Heat Capacities (Constant Volume)
A
- Monoatomic: (3/2)R
- Diatomic: (5/2)R
- Triatomic Linear: (5/2)R
- Triatomic Nonlinear: (6/2)R
9
Q
Heat Capacities (Constant Pressure)
A
- Monoatomic: (5/2)R
- Diatomic: (7/2)R
- Triatomic Linear: (7/2)R
- Triatomic Nonlinear: (8/2)R
10
Q
Simple Cubic (coordinate number, number of spheres per unit, volume of cube, volume occupied)
A
- 6
- 1
- 8r^3
- (4/3)(pi)r^3
11
Q
Body Centered (coordinate number, number of spheres per unit, volume of cube, volume occupied)
A
- 8
- 2
- (4r/sqrt(3))^3
- (8/3)pi(r)^3
12
Q
Face Centered (Coordinate number, number of spheres per unit, volume of cube, volume occupied)
A
- 12
- 4
- (4r/sqrt(2))^3
- (16/3)pi(r)^3
13
Q
Bragg Equation
A
n x lamda= 2dsin(theta)
14
Q
Molality
A
moles of solute /kg solvent
