stud
bud
Sign up
Log in
Home
Library
Explore
SAT
More
C3e-h Chemical Economics Flashcards | StudBud
Explore
/
C3e-h Chemical Economics
C3e-h Chemical Economics
27 terms
·
StudBud Administration
·
213 plays
OCR Gateway Triple Chemistry course
Flashcards
27 cards
F
Practice quiz
P
Host live
L
Questions
27
Answers
1
What is a continuous process?
Drugs and chemicals made on a small scale
Drugs and chemicals made on a large scale
2
Energy per gram
Energy transferred x 4.2 ÷ Mass of fuel
None of the above
Energy transferred ÷ Mass of fuel
Mass of fuel ÷ Energy transferred
3
How do you test the purity of a drug?
Boiling points
Melting points
Thin layer chromatography
4
What is a batch process?
Drugs and chemicals not made all the time
Drugs and chemicals made all the time
5
Energy transferred =
Mass of fuel x 4.2 x temp change
Mass of water x 4.2 x temp change
Mass change x 4.2 x temp
6
What are nanotubes used for?
Sports equipment
All of the above
Catalysts
Drug deliverers
7
What are nanotubes?
Short chain of buckminsterfullerenes
Long chain of buckminsterfullerenes
8
An exothermic reaction is when
Bonds are made
Bonds are broken
9
What is the formula of Buckminsterfullerene?
C60
C100
C80
C40
10
What can silicon dioxide be compared too?
Nanotubes
Diamond
Graphite
Buckminsterfullerene
11
An exothermic reaction is when
Heat is given out to the surroundings
Heat is taken in from the surroundings
12
What is the Mr of water
3
18
10
13
What is an allotrope?
Same element with different structures
One of more atoms not chemically joined
Different elements with the same structure
One or more atoms chemically joined together
14
Why is diamond hard?
3D tetrahedral structure
Strong covalent bonds
No free electrons
15
What is the correct order to obtain a drug
Crush-separate-dissolve-evaporate
Separate-crush-dissolve-evaporate
Crush-dissolve-evaporate-separate
Dissolve-crush-separate-evaporate
16
Calorimetry is
Used for calorie counting
Used to measure energy
Used to find percentage yields
17
An endothermic reaction is
Energy given out to the surroundings
Energy taken in from the surroundings
18
What type of work force is needed in a continuous process?
Large
Small
19
Why is graphite used in pencils
Has free electrons between the layers
Made in layers that slide over each other
Held by strong covalent bonds
20
Where can product be lost?
Heating
Transfer of liquids
Filtering
All of the above
21
What do you take in to account with atom economy?
Reactants only
Profit
Products only
Reactants and Products
22
What does Ar stand for?
Relative Atomic Mass
Relative Molecular Mass
Aromatic Compounds
23
What's missing? %yield = (___/predicted) x100
Theoretical
Products
Reactants
Actual
24
What does Mr stand for?
Relative Atomic Mass
Molar ratio
Relative Molecular Mass
25
An endothermic reaction is when
Bonds are broken
Bonds are made
26
A good atom economy is when...
All products are used
All reactants are turned in to useful products
it cannot be sustainable
An industry makes lots of money
27
What type of work force is needed in a batch process?
Large
Small
