Повторение изученных тем | Baamboozle - Baamboozle

Identify compounds E and D

1. E = CH3CH(CH3)COOH 2-methylpropanoic acid D= 2-methylpropanal CH3CH(CH3)CHO

In many countries plastic waste is incinerated to provide heat for power stations. Why PVC, polyvinylchloride, removed from any waste that is to be incinerated?

Its combustion products are harmful and it destroys the ozone layer.

[Cu(EDTA)]2− type of the shape?

octahedral

[Cu(EDTA)]2− is less stable complex than [Cu(H2O)6]2+? True/False

False

Competitive inhibition process. True/False

False

Competitive inhibition process or noncompetitive inhibition process?

Competitive inhibition process

The region on the enzyme’s surface where the substrate fits is called .....

the active site

They remain unchanged at the end of the reaction, and can therefore be re-used. They can only work with one type of substrate (i.e. they are highly specific). What is it?

enzymes

Any enzyme can decompose any substrate. True/False

False

Name the base that is found in RNA but not DNA? A) adenine B) cytosine C) guanine D) uracil

uracil

Nanoparticles have different chemical and physical properties compared to macroparticles because ...

Almost all atoms in the nanoparticle contribute to these properties unlike only a few atoms in macroparticles.

A nanoparticle where in each C atom is sp2 hybridized, bonded in a sphere of 60 carbon atoms, consisting of 12 pentagons and 20 hexagons. Reacts with K to make a superconducting crystalline material. What is it?

Buckminsterfullerene

What monomers are used to make nylon-6,6 in the lab? A) 1,6-diaminohexane and hexanedioic acid. B) 1,6-diaminohexane and hexanedioyl dichloride C) 1,4- diaminohexane and hexanedioic acid. D) 1,4- diaminohexane and hexanedioyl dichloride

1,6-diaminohexane and hexanedioyl dichloride

Which of these monomers form condensation polymers? A) CH2=CH-C6H5 B) CH2=CH-COOH C) NH2CH(CH3)COOH D) CH2=CH-CH=CH2

NH2CH(CH3)COOH

The lone pairs on the hydroxide ion can be donated to other compounds A) Lewis base B) Lewis asid C) Bronsted-Lowry asid D) Bronsted-Lowry base

Lewis base

Which product is formed when Fe3+ ion reacts with the carbonate solution? A) [Fe(H2O)4(OH)2](s) B) [Fe(H2O)3(OH)3](s) C) FeCO3(s) D) Fe2(CO3)3(s)

[Fe(H2O)3(OH)3](s)

Which product is formed when Fe2+ ion reacts with the carbonate solution? A) [Fe(H2O)4(OH)2](s) B) [Fe(H2O)3(OH)3](s) C) FeCO3(s) D) Fe2(CO3)3(s)

FeCO3(s)