May 2015 Flashcards

1
Q

Define DNA and RNA

A

Deoxyribonucleic Acid and Ribonucleic Acid

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2
Q

Zoological Question

Why trouts like to live in cold water?

A

Trouts are cold blooded.

Their metabolism slows down in cold water than in warm water

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3
Q
When will a pine tree grow in Alaska?
A. Not in a million years
B. It depends on the carbon dioxide
C. Greenhouse effect
D. All of the above
A

Nearest ans

B-Higher CO2 may give pine trees a competitive edge

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4
Q

What is the unit of avogadros number?

A

Atoms/mol

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5
Q

Which of the ff. involves a chemical reaction?
A. Reaction of Nonmentals
B. Oxidation Reduction

A

Oxidation Reduction

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6
Q

Define zeroth law of thermodynamics?

A

When two bodies are in thermal equilibrium with some third body, then they are also in equilibrium w/ each other

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7
Q
Differentiate electromagnetic waves and radiation? 
A. Wavelength
B. Photons
C. Frequency
D. Energy
A

Photons

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8
Q

Similarities between malic acid and citric acid

A

Carboxylic acid

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9
Q

What is the diprotic nature of oxalic acid?

A

Diprotic nature of oxalic acid (H2C2O4) have two acidic hydrogen atoms

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10
Q

Who discovered theory of resonance?

A

Linus Pauling

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11
Q

If you are a chemical engineer and in the cement industry, how will you collect dust?

A

ESP or Electrostatic Precipitator

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12
Q

Process of inventing new genetic information into existing cells inorder to modify a specific organism for the purpose of changing its characteristics

A

Genetic Engineering

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13
Q

Plays a major role in large scale production of biochemical products by applying the principles of engineering to the activity of living cells

A

Biochemical Engineering

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14
Q

How is something made polar?

A

Difference between electronegativity is less/greater than 2.1

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15
Q

What is Arrhenius base and acid equilibrium?
A. 0.01 M with pK 1.8
B. 0.1 M of weak acid and 0.01 M of the same acid
C. 0.1 M of acid and 0.1 M of base

A

C

  • Arrhenius acid- a substance that dissociates in water to form hydrogen ions (H+)
  • Arrhenius base- a substance that dissociates in water to form hydroxide (OH-)
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16
Q

Why does carbon have a lot of alkyl substituent possibilities?
A. Four potentials of sharing (due to valence )
B. Cyclo/linear characteristics

A

A

17
Q

What will you do to protect iron from corrosion?

A

Keep water away to prevent rust.

Put paint or coatings

18
Q

How many neutrons are there in C-14?

A

8

19
Q

Instrument used in measuring radiation?

A

Geiger counter and chamber

20
Q

What will you put in the thermocouple to increase the accuracy of the reading?

A

Temperature Sensors

21
Q

What instrument is used in measuring temperature without contact with the fluid or vessel?

A

Thermistors

22
Q

Filter that you can remove the plates and stuff

A

Plate and Frame

23
Q
Kind of flow that is imaginary?
A. One dimensional
B. Turbulent
C. Multi-dimensional
D. Viscous
A

A

24
Q

Chemical Name of Sylbite

A

Potassium Chloride (KCl)

25
Q

If you are an engineer where would you base your operations?

A

Standard Operating Procedure