Quiz about AP Chemistry

Question 1

The graph represents an

Accepted Answer

Endothermic Reaction

Answer

Exothermic Reaction

Question 2

The graph represents an

Accepted Answer

Exothermic Reaction

Answer

Endothermic Reaction

Question 3

The catalyzed reaction has how many intermediates?

Accepted Answer

3

Answer

0

Answer

1

Answer

2

Question 4

Which reaction order is represented in the graph?

Accepted Answer

Second

Answer

Zero

Answer

First

Question 5

At the triple point, which of the following phases are present?

Accepted Answer

Gas, Liquid, and Gas

Answer

Solid and Gas

Answer

Gas and Liquid

Answer

Liquid and Gas

Question 6

When a gas changes into a liquid (condensation), which of the following is taking place?

Accepted Answer

Energy decreases

Answer

Temperature increases

Answer

Energy increases

Answer

Temperature decreases

Question 7

Which of the following can be defined from this type of graph?

Accepted Answer

Bond length

Answer

Bond order

Answer

Bond angle

Answer

Bond type

Question 8

The wavelength for the maximum absorbance of carbon is approximately

Accepted Answer

670 nm

Answer

300 nm

Answer

610 nm

Answer

700 nm

Question 9

The graph represents...

Accepted Answer

Chemical Equilibrium

Answer

Reaction Rate

Answer

Spectroscopy

Answer

Calibration Curve

Question 10

For this First Order Reaction, what concentration variation belongs on the x-axis?

Accepted Answer

ln[A]

Answer

[A]

Answer

1/[A]

Question 11

The graph represents which reaction order?

Accepted Answer

Zero

Answer

First

Answer

Second

Question 12

A calibration curve is generated from which experimental method?

Accepted Answer

Diluting solutions

Answer

Filtering solutions

Answer

Titrating solutions

Answer

Distilling solutions

Question 13

This graph can be used to calculate

Accepted Answer

Average Atomic Mass

Answer

Isotopic Mass

Answer

Atomic Radius

Answer

Average Abundance

Question 14

What charge does an atom have when it GAINS electrons?

Accepted Answer

Negative

Answer

Positive

Answer

Neutral

Question 15

Sodium has an atomic number of 11, how many protons does this atom have?

Accepted Answer

11

Answer

22

Answer

12

Answer

2

Question 16

How many valence electrons are in the element Carbon?

Accepted Answer

4 electrons

Answer

2 electrons

Answer

6 electrons

Answer

8 electrons

Question 17

What happens in an ionic bond?

Accepted Answer

Atoms gain or lose electrons and bond through charge.

Answer

Atoms share valence electrons.

Answer

Atoms connect through similar affinities (e.g. both hydrophobic)

Question 18

What is the primary reason for the high boiling point of water?

Accepted Answer

Hydrogen bonding between water molecules

Answer

Ionic bonds between water molecules

Answer

Covalent bonds within water molecules

Answer

Van der Waals forces between water molecules

Question 19

Which of the following is a characteristic of a strong acid in aqueous solution?

Accepted Answer

It completely dissociates into ions

Answer

It partially dissociates into ions

Answer

It has a high pH value

Answer

It forms a precipitate

Question 20

In the reaction $$\ce{2H2 + O2 -> 2H2O}$$ , what is the role of $$\ce{O2}$$ ?

Accepted Answer

Oxidizing agent

Answer

Reducing agent

Answer

Catalyst

Answer

Product

Question 21

What is the molarity of a solution containing 5 moles of solute in 2 liters of solution?

Accepted Answer

2.5 M

Answer

5 M

Answer

10 M

Answer

0.4 M

Question 22

Which of the following best describes the concept of electronegativity?

Accepted Answer

The ability of an atom to attract electrons in a chemical bond

Answer

The energy required to remove an electron from an atom

Answer

The tendency of an atom to lose electrons

Answer

The ability of an atom to form covalent bonds

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