Rct

Front 1

In steady flow

Back 1

Velocity is not a function of time

Front 2

In unsteady flow

Back 2

Velocity is a function of time

Front 3

In inviscud flow

Back 3

Fluid has no viscosity

No energy loss from friction between molecules

Front 4

In viscous flow

Back 4

Fluid is viscous

Has frictional losses

Front 5

Reynolds number in terms of rotational speed

Back 5

=rho x N x D^2 /mu

As u = N D

N is rotational speed and D the diameter of propeller

Front 6

Homogenous system

Back 6

Either has constant properties or properties vary continuously

Front 7

Heterogenous system d

Back 7

More than one homogenous system

Phases separated by physical boundary or discontinuity

Front 8

Define isolated clise

Back 8

No mass or energy flow

Front 9

Define closed

Back 9

Energy flow but no mass flow

Front 10

Define open

Back 10

Define both mass and energy flow (by heat and work)

Front 11

Adiabatic

Back 11

No heat flow in or out

Front 12

5 properties of matter

Back 12

Volume, pressure, temp, internal energy, entropy

Front 13

3 derived properties

Back 13

Enthalpy H

Helmholtz free energy A

Gibbs free energy G

Front 14

Extensive property

Back 14

Depends on the amount

Front 15

Intensive property

Back 15

Doesn’t

Front 16

Z

Back 16

Thermodynamic variable

Extensive

Front 17

Zm

Back 17

Molar property

Front 18

State function

Back 18

Difference between two values regardless of path

Front 19

Maxwell Relation

Back 19

Back (Definition)

Front 20

State function definition

Back 20

Back (Definition)

Front 21

Use of Maxwell Relation

Back 21

To prove a function is a state function

Front 22

how to use Maxwells relation

Back 22

Let M equal what’s in front of do

Let N equal what’s in front of dy

Diff M in respect to Y with constant x

Diff N in respect to X with constant y

If values equal, sf

Front 23

U =

Back 23

= q + w

Front 24

Formula for heat, q

Back 24

= integral dq =integral C dT

Where cp may equal a polynomial of T to integrate

Front 25

H =

Back 25

U + pV

Front 26

dq =

For isochoric vs isobaric

Back 26

Isochoric =dU

Isobaric = dH

Front 27

To demonstrate

cv=(dq/dT)v =(dU/dt)v

Back 27

Use u=f(V,T) and

dU=(dU/dV)T dv + (dU/dT)V dT

Divide it by dT at a constant v

Simplify as (dv/dt)v is 0 and (dT/dT)v is 1

Front 28

Define 2nd law

Back 28

Entropy of universe increases to a max

Front 29

dU =

(sf)

Back 29

dq + dw

heat and work - not sf so not exact differentials

Front 30

Isochoric P V graph

Back 30

Constant volume

Front 31

Isothermal P V graph

Back 31

Back (Definition)

Front 32

Reversible work formula

Back 32

Back (Definition)

Front 33

Work done BY system

Back 33

Is negative

Front 34

For heat

Back 34

Signs are opposite

Front 35

Isochoric P V graph

Back 35

Constant volume

Front 36

To demonstrate

cv=(dq/dT)v =(dU/dt)v

Back 36

Use u=f(V,T) and

dU=(dU/dV)T dv + (dU/dT)V dT

Divide it by dT at a constant v

Simplify as (dv/dt)v is 0 and (dT/dT)v is 1

Front 37

Reversible work formula

Back 37

Back (Definition)

Front 38

Kelli temp and calculating entropy change

Back 38

Back (Definition)

Front 39

Definition of fugacity

Back 39

Back (Definition)

Front 40

Reversible isothermal expansion of ideal gas

And reversible adiabatic expansion

Back 40

Back (Definition)

Front 41

Unit of fugacity

Back 41

Same as pressure

Front 42

Fugacity co efficient

Back 42

Ratio f/p

Front 43

Chemical potential

Back 43

Back (Definition)

Front 44

Relationships

Back 44

Back (Definition)

Front 45

Vm is

Back 45

Gas molar volume

Front 46

Vm ideal is

Back 46

Molar volume of gas behaving ideally at same t and p

Front 47

De

Back 47

Back (Definition)

Front 48

Definition of fugacity

Back 48

Back (Definition)

Front 49

f in terms of p

Back 49

Back (Definition)

Front 50

Reversible isothermal expansion of ideal gas

And reversible adiabatic expansion

Back 50

Back (Definition)

Front 51

Fugacity co efficient

Back 51

Ratio f/p

Front 52

To calculate delta U S H and G

Back 52

Find value in table

Differentiate ideal eq and combine equations

For G use other eq

LOOK IN BOOK CH3 IF J BEVAN OTT J

CHEMICAL THERMODYNAMIC PRINCIPLES AND APPLICATIONS

Front 53

Chemical potential

Back 53

Back (Definition)

Front 54

Relationships

Back 54

Back (Definition)

Front 55

Gibbs Phase rule

Back 55

f = c - p + 2

where c is no of independent components

P is no of phases

F is degree of freedom

Front 56

Fugacity

Back 56

measure of flow of mass in chemical process

Can be used to determine point of equil

Front 57

Example of equation of state and alpha from data

pVm = RT + Bp + cp^2 + Dp^3 ...

Back 57

Divide Vm by p

Vm ideal = RT/p

So calculate alpha

Front 58

Fugacity for pure condensed phases

Back 58

Back (Definition)