Online Quizes

Question 1

Answer 1

Question 2

Answer 2

Question 3

Answer 3

Question 4

Answer 4

Question 5

Answer 5

Question 6

Answer 6

Question 7

Answer 7

Question 8

Answer 8

Question 9

Answer 9

Question 10

Answer 10

Question 11

Answer 11

Question 12

Answer 12

Question 13

Answer 13

Question 14

Answer 14

Question 15

When to use the Rackett Equation

Answer 15

for the calculation of liquid molar volume at saturation

Question 16

when to use the LGH Equation

Answer 16

for the calculation of subcooled liquid molar volume

Question 17

what is the Pitzer correlation

Answer 17

Z= z^0 + wZ^1

Question 18

what is “a” in the Van Der Waals equation

Answer 18

interactions between molecules

Question 19

what is “b” in the Van Der Waals equation

Answer 19

size of the molecule

Question 20

what is the cubic equation of state also called

Answer 20

Van Der Waals equation

Question 21

What is the prupose of Maxwell relations

Answer 21

to correlate thermodynamic properties that may/may not be measurable

(use measurable quantities to calculate something that cannot be measured directly)

Question 22

What is a residual property

Answer 22

the actual property relative to an ideal gas

Question 23

what is Gibbs phase rule

Answer 23

F = C - P +2

(C= components, terinary
P = phases)

Question 24

When density is involved, what equation for density should you use

Answer 24

Vm = MW/(density)

and dvide MW by 1000 since density is in kg!!

Question 25

what is the virial equation for pressure

Answer 25

P = (RT/V) + (B/V^2) + (C/V^3) …

Question 26

when P is given in bar, what is are the units for molar volume

Answer 26

m^3/m

Question 27

what is the Pitzer correlation for B

Answer 27

B’ = B^0 + wB^1

Question 28

list the noble gases (for using Z^0)

Answer 28

He
Ne
Ar
Kr
Xe
Rn

Question 29

for linear interpolation what are the “y” values

Answer 29

the Z values

Question 30

bar to MPa

Answer 30

divide by 10 to get MPa

1 bar = 0.1 MPa

Question 31

MPa to Pa

Answer 31

times value by 1 million to get Pa

Question 32

atm to Pa

Answer 32

times value by 101 325 to get Pa

(1 atm = 101 325 Pa)

Question 33

when to use the virial equation of state

Answer 33

for a gas