Quiz about AP Chem Final Spring 23

Question 1

What is this?

Accepted Answer

Homogeneous Mixture

Answer

Element

Answer

Compound

Answer

Heterogeneous MIxture

Question 2

What is this?

Accepted Answer

Heterogeneous Mixture

Answer

Element

Answer

Compound

Answer

Homogeneous Mixture

Question 3

Question 3.

Accepted Answer

Compound

Answer

Element

Answer

Homogeneous Mixture

Answer

Heterogeneous MIxture

Question 4

What is it?

Accepted Answer

Element

Answer

Homogeneous Mixture

Answer

Heterogeneous Mixture

Answer

Compound

Question 5

Na + Cl2 = NaCl

Accepted Answer

synthesis (composition)

Answer

decomposition

Answer

single replacement

Answer

double replacement

Answer

combustion

Question 6

KClO3 = KCl + O2

Accepted Answer

decomposition

Answer

synthesis (composition)

Answer

single replacement

Answer

double replacement

Answer

combustion

Question 7

Mg + HCl = MgCl2 + H2

Accepted Answer

single replacement

Answer

synthesis (composition)

Answer

decomposition

Answer

double replacement

Answer

combustion

Question 8

LiCl + AgNO3 = LiNO3 + AgCl

Accepted Answer

double replacement

Answer

synthesis (composition)

Answer

decomposition

Answer

single replacement

Answer

combustion

Question 9

C3H8 + O2 = CO2 + H2O

Accepted Answer

combustion

Answer

synthesis (composition)

Answer

decomposition

Answer

single replacement

Answer

double replacement

Question 10

$$Pb^{+2}\ +\ 2NO_3^-\ +\ 2Na^+\ +\ 2Cl^-\ \rightarrow2Na^++2NO_3^-\ +\ PbCl_2$$

Which are the spectator ions in this overall ionic equation?

Accepted Answer

$$NO_3^-\ and\ Na^+$$

Answer

$$Pb^+\ and\ Cl^-$$

Answer

$$Na^{+\ }and\ Pb^{+2}$$

Answer

$$Cl^-\ and\ NO_3^-$$

Question 11

$$Cu^{+2}+2NO_3^-+\ 2K^++2OH^-\rightarrow Cu\left(OH\right)_2+2K^++2NO_3^-$$

Which are the spectator ions in this overall ionic equation?

Accepted Answer

$$K^+\ and\ NO_3^-$$

Answer

$$Cu^{+2}\ and\ K^+$$

Answer

$$OH^-\ and\ NO_3^-$$

Answer

$$OH^-\ and\ Cu^{+2}$$

Question 12

Which of the following factors do not affect reaction rates?

Accepted Answer

Solubililty

Answer

Reactant concentration

Answer

Temperature

Answer

Surface area

Answer

Catalysts

Question 13

What is the reaction order with respect to [A]?

Accepted Answer

second order

Answer

zero order

Answer

first order

Answer

third order

Question 14

What is the reaction order with respect to [B]?

Accepted Answer

first order

Answer

zero order

Answer

second order

Answer

third order

Question 15

What is the overall reaction order?

Accepted Answer

third order

Answer

zero order

Answer

first order

Answer

second order

Question 16

What is the value of k?

Accepted Answer

0.150

Answer

0.030

Answer

0.135

Answer

0.060

Question 17

What are the intermediates?

Accepted Answer

N2O2 and N2O

Answer

H2 and NO

Answer

N2O2 and NO

Answer

N2O and H2

Question 18

Point where only a gas is present.

Accepted Answer

E

Answer

A

Answer

B

Answer

C

Answer

D

Question 19

Point where only a liquid is present.

Accepted Answer

C

Answer

A

Answer

B

Answer

D

Answer

E

Question 20

Point where only a solid is present.

Accepted Answer

A

Answer

B

Answer

C

Answer

D

Answer

E

Question 21

Melting point of this substance

Accepted Answer

-60

Answer

-100

Answer

60

Answer

20

Question 22

Boiling point of this substance

Accepted Answer

60

Answer

-100

Answer

-60

Answer

20

Question 23

If Gibb's free energy is positive, is the reaction favorable or not favorable?

Accepted Answer

not favorable

Answer

favorable

Question 24

Electrons flow from the ____ to the ____.

Accepted Answer

anode to cathode

Answer

cathode to anode

Question 25

The anions in a salt bridge flow towards the ____.

Accepted Answer

anode

Answer

cathode

Question 26

Which substance will reduce?

Accepted Answer

gold (Au)

Answer

silver (Ag)

Question 27

If the bottom reaction must be multiplied by -3 in order to successfully combine the half equations, what is the voltage of this reaction?

Accepted Answer

0.70 V

Answer

-0.90 V

Answer

2.30 V

Answer

3.90 V

Question 28

After a reaction takes place in a galvanic cell (battery) what happens to the cathode?

Accepted Answer

grows larger in mass

Answer

grows smaller in mass

Answer

nothing happens

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