Print Options

Card layout:

← Back to notecard set|Easy Notecards home page

Instructions for Side by Side Printing
  1. Print the notecards
  2. Fold each page in half along the solid vertical line
  3. Cut out the notecards by cutting along each horizontal dotted line
  4. Optional: Glue, tape or staple the ends of each notecard together
  1. Verify Front of pages is selected for Viewing and print the front of the notecards
  2. Select Back of pages for Viewing and print the back of the notecards
    NOTE: Since the back of the pages are printed in reverse order (last page is printed first), keep the pages in the same order as they were after Step 1. Also, be sure to feed the pages in the same direction as you did in Step 1.
  3. Cut out the notecards by cutting along each horizontal and vertical dotted line
Print these notecards...Print as a list

49 notecards = 13 pages (4 cards per page)

Viewing:

Week 9 - Chemistry

front 1

HI is an Arrhenius acid because

A) it is a polar molecule.

B) it can dissolve in water.

C) it produces hydronium ions in solution.

D) it produces hydroxide ions in solution.

back 1

C) it produces hydronium ions in solution.

front 2

NaOH is a Brønsted-Lowry base because

A) it is a polar molecule.

B) it can dissolve in water.

C) it is a hydroxide donor.

D) it is a proton acceptor.

back 2

D) it is a proton acceptor.

front 3

The conjugate acid of H₂PO₄⁻ is

A) H₃PO₄

B) HPO₄²⁻

C) PO₄³⁻

D) H₂PO₄

back 3

A) H₃PO₄

front 4

The conjugate base of HPO₃²⁻ is

A) HPO₃⁻

B) H₂PO₃⁻

C) PO₃³⁻

D) H₃PO₃

back 4

C) PO₃³⁻

front 5

Consider the reaction below. Which species are conjugate acid/base pairs? HSO₃⁻ (aq) + HCN (aq) ⇌ H₂SO₃ (aq) + CN⁻ (aq)

A) HSO₃⁻, CN⁻

B) HSO₃⁻, H₂SO₃

C) H₂SO₃, CN⁻

D) HCN, H₂SO₃

back 5

B) HSO₃⁻, H₂SO₃

front 6

Consider the reaction below. Which species is(are) the Brønsted-Lowry acid(s)? HF (aq) + NH₃ (aq) ⇌ NH₄⁺ (aq) + F⁻ (aq)

A) HF, NH₄⁺

B) NH₃, NH₄⁺

C) F⁻, NH₄⁺

D) HF, NH₃

back 6

A) HF, NH₄⁺

front 7

Which of the following is a conjugate acid/base pair?

A) H₂O, NH₃

B) NH₄⁺, H₃O⁺

C) H₃O⁺, NH₃

D) H₃O⁺, H₂O

back 7

D) H₃O⁺, H₂O

front 8

Write the formula of the conjugate acid of the Brønsted-Lowry base, CCl₃COO⁻

back 8

A) CCl₃COOH

front 9

Write the formula of the conjugate acid of the Brønsted-Lowry base, CH₃NH₂

back 9

A) CH₃NH₃⁺

front 10

Write the formula of the conjugate acid of the Brønsted-Lowry base, HCO₃⁻

back 10

H₂CO₃

front 11

Write the formula of the conjugate acid of the Brønsted-Lowry base, HCO₃⁻

back 11

H₂CO₃

front 12

Write the formula of the conjugate acid of the Brønsted-Lowry base, SO₄²⁻

back 12

HSO₄⁻

front 13

Write the formula of the conjugate base of the Brønsted-Lowry acid, CCl₃COOH

back 13

CCl₃COO⁻

front 14

Write the formula of the conjugate base of the Brønsted-Lowry acid, HPO₄²⁻

back 14

PO₄³⁻

front 15

Write the formula of the conjugate base of the Brønsted-Lowry acid, NH₄⁺

back 15

NH₃

front 16

Write the acidic equilibrium equation for HBrO

back 16

HBrO(aq) + H₂O(l) ⇌ H₃O⁺(aq) + BrO⁻(aq)

front 17

Write the acidic equilibrium equation for HC₂H₃O₂

back 17

HC₂H₃O₂(aq) + H₂O(l) ⇌ H₃O⁺(aq) + C₂H₃O₂⁻(aq)

front 18

Write the basic equilibrium equation for NH₃

back 18

NH₃(aq) + H₂O(l) ⇌ OH⁻(aq) + NH₄⁺(aq)

front 19

Write the basic equilibrium equation for PO₄³⁻

back 19

PO₄³⁻(aq) + H₂O(l) ⇌ OH⁻(aq) + HPO₄²⁻(aq)

front 20

Write the acidic equilibrium equation for C₃H₇COOH.

back 20

HA(aq) + H₂O(l) ⇌ A⁻(aq) + H₃O⁺(aq)

front 21

Which of the following has the greatest mass?

A) α particle

B) neutron

C) proton

D) β⁻ particle

E) neutrino

back 21

A) α particle

front 22

The equation below is best described as ___________.

²³⁵₉₂U → ²³⁵₉₃Np + ⁰₋₁e

A) alpha decay.

B) beta decay.

C) gamma emission.

D) positron emission.

back 22

B) beta decay.

front 23

The equation below is best described as ___________.

²¹⁰₈₄Po→ ⁴₂He + ²⁰⁶₈₂Pb

A) alpha decay.

B) beta decay.

C) gamma emission.

D) positron emission.

back 23

A) alpha decay.

front 24

Which of the following symbols represents a beta particle?

A) ⁰₊₁e

B) ⁰₋₁e

C) ⁴₂He

D) γ

back 24

B) ⁰₋₁e

front 25

Which of the following symbols represents an alpha particle?

A) ⁰₊₁e

B) ⁰₋₁e

C) ⁴₂He

D) γ

back 25

C) ⁴₂He

front 26

Which of the symbols listed below can be used to represent a beta particle?

I. ⁰₋₁e

II. ⁰₊₁e

III. ⁰₋₁β

-----------------

A) I only

B) II only

C) III only

D) I and II

E) I and III

back 26

E) I and III

front 27

What is the product of alpha emission from uranium-238?

A) ²³⁴U

B) ²³²Th

C) ²³⁴Th

D) ²³⁷Np

E) ²³¹Pa

back 27

C) ²³⁴Th

front 28

²¹⁰Pb decays by emitting a β⁻ particle. What nuclide is produced?

A) ²¹⁰Bi

B) ²¹⁰Pb

C) ²¹⁰Hg

D) ²¹⁰Tl

E) ²⁰⁶Hg

back 28

A) ²¹⁰Bi

front 29

Complete the following nuclear decay process: ²³⁵₉₂U → ⁴₂He + ___

A) ²³⁹₉₄Pu

B) ²³¹₉₄Pu

C) ²³¹₉₂U

D) ²³¹₉₀Th

E) ²³⁹₉₀Th

back 29

D) ²³¹₉₀Th

front 30

An unstable isotope of Re-191 is a beta producer. What is the other product of the reaction?

A) W-191

B) Os-190

C) Re-192

D) Os-191

E) Pt-192

back 30

D) Os-191

front 31

What is the balanced nuclear reaction for the following process? Iodine-131, used to treat hyperactive thyroid glands, decays by producing a β⁻ particle.

A) ¹³¹₅₃I → ⁰₁e + ¹³¹₅₂Te

B) ¹³¹ ⃰ ₅₃I → ⁰₀γ + ¹³¹₅₃I

C) ¹³¹₅₃I → ⁴₂He + ¹²⁷₅₁Sb

D) ¹³¹₅₃I → ¹₁H + ¹³⁰₅₂Te

E) ¹³¹₅₃I → ⁰₋₁e + ¹³¹₅₄Xe

back 31

E) ¹³¹₅₃I → ⁰₋₁e + ¹³¹₅₄Xe

front 32

he nuclide Rn-204 is the daughter nuclide resulting from the α decay of what parent nuclide?

A) Po-200

B) Th-206

C) Hg-297

D) Ra-208

E) ⁴He

back 32

D) Ra-208

front 33

The Cs-131 nuclide has a half-life of 30 years. After 120 years, 3.0 g remain. What is the original mass of the Cs-131 sample in grams?

back 33

48 g

front 34

10 g of a radioactive substance was placed in an airtight container 50 years ago. When the container is opened, only 2.5 g remains. What is the half-life of this material?

A) 5 years

B) 25 years

C) 50 years

D) 80 years

E) 100 years

back 34

B) 25 years

front 35

One of the radioactive isotopes used in chemical and medical research is iodine-125, which has a half-life of 61 days. How long would it take for 0.25 g to remain of a 1.00 g sample of iodine-125?

A) 244 days

B) 122 days

C) 61 days

D) 31 days+

back 35

B) 122 days

front 36

One of the radioactive isotopes used in chemical and medical research is sulfur-35, which has a half-life of 87 days. How many days would it take for 0.25 g to remain of a 1.00 g sample of sulfur-35?

back 36

174 days

front 37

Polonium was discovered in uranium ores by Marie and Pierre Curie. Polonium-210 decays by emitting a single alpha particle. What nuclide is formed in this process?

A) ²⁰⁶Pb

B) ²¹⁰At

C) ²⁰⁹Pb

D) ²¹⁰Bi

E) ²¹⁴Rn

back 37

A) ²⁰⁶Pb

front 38

Which of the following processes decreases the atomic number by two?

A) gamma-ray production

B) beta production

C) positron-particle production

D) alpha-particle production

E) proton production

back 38

D) alpha-particle production

front 39

Which of the following processes decreases the atomic number by two?

A) gamma-ray production

B) beta production

C) positron-particle production

D) alpha-particle production

E) proton production

back 39

D) alpha-particle production

front 40

When ²³⁵U absorbs a neutron, it forms an unstable nuclide that ultimately fissions into smaller nuclides. What is this unstable nuclide?

A) ²³¹Th

B) ²³⁵Pa

C) ²³⁶U

D) ²³⁵Np

E) ²³⁹Pu

back 40

C) ²³⁶U

front 41

A significant difficulty in using fusion as an energy source is

A) the high cost of the reactants.

B) the lack of useful starting nuclides.

C) the extreme conditions required to initiate and sustain fusion reactions.

D) the high radioactivity of the product nuclei.

E) the disposal of waste products.

back 41

C) the extreme conditions required to initiate and sustain fusion reactions.

front 42

What type of nuclear process requires extremely high temperatures to occur?

A) Fission

B) Fusion

C) Transmutation

D) Neutron emission

E) Gamma ray emission

back 42

B) Fusion

front 43

When two He atoms undergo fusion in a star, the resulting element is:

A) H

B) Li

C) Be

D) He

E) All of the above

back 43

C) Be

front 44

Choose the incorrect statement about the fusion process.

A) Fusion reactions power stars.

B) Fusion is the basis of a hydrogen bomb.

C) Fusion reactions require extreme temperatures to initiate.

D) Fusion is the splitting of a nucleus into smaller nuclei.

E) Fusion is the combining of two small nuclei into a bigger nucleus.

back 44

D) Fusion is the splitting of a nucleus into smaller nuclei.

front 45

Which of the following is(are) the product(s) of the fusion reaction ²H + ³H -->?

A) ¹H + ⁴H

B) ⁴He + ¹₀n

C) 3n + 2¹H

D) ³H + ²H

E) 5n + 2e⁻

back 45

B) ⁴He + ¹₀n

front 46

The process that powers stars is

A) fission

B) fusion

C) neutron emission

D) gamma ray emission

E) alpha particle emission

back 46

B) fusion

front 47

A nuclear reaction in which a larger nuclei is split apart into smaller nuclei is called a _____ reaction.

A) combustion

B) combination

C) fission

D) fusion

back 47

C) fission

front 48

Which type of radiation has the greatest penetrating ability?

A) alpha particle

B) beta particle

C) positron

D) gamma ray

E) all radiation has the same penetrating ability

back 48

D) gamma ray

front 49

Which of the following represents the three main types of radiation ranked by increasing penetrating ability?

A) alpha < beta < gamma

B) alpha < gamma < beta

C) beta < alpha < gamma

D) beta < gamma < alpha

E) gamma < beta < alpha

back 49

A) alpha < beta < gamma