Week 2: Inorganic & Organic Chemistry

Question 1

What concept drives diffusion of substance dissolved in liquids, is the tendency of atoms & molecules to equilibrate with enviro & is a thermodynamic imperative to randomness & diffusion

Answer 1

Concept of entropy

Question 2

T/F Concept of Entropy is the force that creates concentration of molecules

Answer 2

False

Question 3

T/F In concentration gradients, molecules dispersed in solution will re-concentrate themselves randomly

Answer 3

False, once dispersed, molecules do not re-concentrate themselves

Question 4

Concentration gradients is driven by the force of _________________

Answer 4

Randomness

Question 5

The random movement of an atom or molecule in 3 dimensions describes ______________ motion

Answer 5

Brownian

Question 6

T/F A catalyst speeds up the reaction rate of a chemical reaction

Answer 6

True

Question 7

T/F Amino Acids used to make protein are all D-form

Answer 7

False

Question 8

B-particles, A-particles and positron emission are all forms of?

Answer 8

Radioactive decay

Question 9

T/F Biological systems take advantage of the chemical & electrical properties of atoms and molecules to operate life systems

Answer 9

True

Question 10

Carbon, Nitrogen, Oxygen & Hydrogen are the 4 most common elements in organic molecules, the next 2 most common are…

Answer 10

Sulfur & phosphorus

Question 11

Carbons aways bond covalently and always has its ____ bonds filled

Answer 11

4

Question 12

Biological systems take advantage of the chemical & electrical properties of _________ & ___________ to operate life systems

Answer 12

atoms & molecules

Question 13

If a molecule or an area of a molecule, as in a fat, is hydrophobic, it is a more ____-_______ molecule area

Answer 13

non-polar

Question 14

Enantiomers have the same __________ formula

Answer 14

molecular

Question 15

Enantiomers are called _______________

Answer 15

Steriosomers

Question 16

T/F Enantiomers usually react differently & taste differently from each other

Answer 16

True

Question 17

T/F Enzymes cannot convert one enantiomer to another

Answer 17

False, enzymes can convert one enantiomer to another

Question 18

Which aliphatic molecule has double bonds between the carbons?

Answer 18

Alkenes

Question 19

Which type of aliphatic molecule is saturated?

Answer 19

Alkanes

Question 20

Which quality makes the carbon ring in benzene characteristic as an aromatic?

Answer 20

Double bonds between the 6 carbons that shift between pairs