w/o chem reaxn

Question 1

density

Answer 1

m/V

Question 2

mass

Answer 2

n/MW

Question 3

molar flowrate

Answer 3

n/t

Question 4

density of water @ 4C (all units)

Answer 4

1 g/mL or kg/L, 1000 kg/m3, 62.4 lb/ft3

Question 5

1 MT (S.I) =

Answer 5

1000 kg

Question 6

1 ton(English) =

Answer 6

2000 lb

Question 7

Molarity =

Answer 7

mol solute/ L soln
(mol/L)

Question 8

Mass fraction=

Answer 8

mass solute/ mass solution

Question 9

unit op that concentrates non volatile solute w non volatile solvent

Answer 9

Evaporation

Question 10

Evaporation: OMB =

Answer 10

F=V+P+C

Question 11

Solve ____ balance first for evap questions

Answer 11

solute

Question 12

conc of solute will __crease in P during Evap, due to the removal of ___ and precipitation of ____

Answer 12

decrease, H2O,solute

Question 13

component present in one input/output stream

Answer 13

Tie component

Question 14

Max amnt of solute that can be dissolved in a given solvent

Answer 14

Solubility

Question 15

If soln is supersaturated, x’s solute will?

Answer 15

precipitate

Question 16

Mother liquor is always ___

Answer 16

saturated

Question 17

Crystallization OMb=

Answer 17

F=V+L+C

Question 18

Xc (conc of solute in C) is always 1.0 unless?

Answer 18

hydrate is present

Question 19

formula for Xc if hydrate is present

Answer 19

Xc=MW solute/MW solute+hydrate

Question 20

SHORTCUT: For probs with given T and solubility table

Answer 20

solubility=Solubility @ Tmax (1-%rec)

Question 21

distillation with 2 feeds?; common F2?

Answer 21

Azeotropic; Benzene

Question 22

Commonly used as solvent for leaching and why

Answer 22

Hexane (C6H14); since oil has higher solubility & hexane is cheap

Question 23

Overhead Product

Answer 23

Distillate

Question 24

Residue Product

Answer 24

Bottoms

Question 25

Residue in leaching? ; extract?

Answer 25

oil, h2O & inert; oil&hexane

Question 26

for gases, solubility is low if Temp is?

Answer 26

higher

Question 27

gases are usually expressed by %___

Answer 27

mol

Question 28

%mol=%vol , especially for

Answer 28

ideal gases

Question 29

SHORTCUT: For gas abs

% Rec formula

Answer 29

(Y2/1-Y2)= (1-%rec)(Y1/1-Y1)

Question 30

why are multiple unit/double effect used

Answer 30

to obtain desired/increase conc.

Question 31

TERMINOLOGY
evaporator

Answer 31

water na nagevaporate

Question 32

Gas Abs OMB

Answer 32

F+S=G+P

Question 33

TERMINOLOGY
Product (P) in Gas abs

Answer 33

Concentrate

Question 34

Wet basis is also known as

Answer 34

Mass fraction of h20
since
WB=mass h2O/mass soln

Question 35

Dry basis =

Answer 35

mass H2O/m of solid only

Question 36

Formula:
Convert DB to WB

Answer 36

WB= %DB/(1+%DB)

Question 37

heating medium in a distillation column

Answer 37

reboiler

Question 38

Feed in the condenser in a distillation column

Answer 38

V

Question 39

Distillation column OMB

Answer 39

F=D+B

Question 40

palatandaan na matl bal lang yung prob

Answer 40

% mol/mass/vol lang ang given

Question 41

basis can be used if

Answer 41

ratio/frac/% ang reqd sa prob

& hindi specific amnt ang reqd