Call Now to Set Up Tutoring:

(888) 888-0446

AP Chemistry : Integrated Rate Laws

Study concepts, example questions & explanations for AP Chemistry

Create An Account

All AP Chemistry Resources

6 Diagnostic Tests 225 Practice Tests Question of the Day Flashcards Learn by Concept

Example Questions

Example Question #1 : Integrated Rate Laws

The rate constant for a second-order reaction is 0.15 M^-1s^-1. If the initial concentration of the reactant is 0.30 M, how long does it take for the concentration to decrease to 0.15 M?

Possible Answers:

22.2 seconds

11.1 seconds

88.8 seconds

253 second

44.4 second

Correct answer:

22.2 seconds

Explanation:

$\frac{1}{[A]_t} = kt + \frac{ 1 }{[A]_o}$

$t =\frac{ \frac{1}{[A]_t} -\frac{1}{[A]_o}}{k} =\frac{\frac{1}{0.15} - \frac{1}{0.30}}{0.15}= 22.2 seconds$

Report an Error

Example Question #1 : Integrated Rate Laws

Based on the figure above, what is the order of reaction?

Possible Answers:

Zero Order

Squared Order

Second Order

Third Order

First order

Correct answer:

First order

Explanation:

For a first order reaction, the ln [A]_t is linear with t.

Report an Error

Example Question #2 : Integrated Rate Laws

A compound decomposes by a first-order process. If 25.0% of the compound decomposes in 60 minutes, the half-life of the compound is?

Possible Answers:

145 minutes

65 minutes

198 minutes

120 minutes

180 minutes

Correct answer:

145 minutes

Explanation:

ln[A]_t=-kt + ln[A]_o

$k = - \frac{ln[A]_t - ln[A]_o}{t}= - \frac{ln[75]-ln[100]}{60}= 4.79 x10^{-3}$

$t_{\frac{1}{2}}=\frac{ ln2 }{k} = \frac{ln2}{4.79x10^{-3}}= 145 minutes$

Report an Error

Example Question #1 : Integrated Rate Laws

Cyclopentane is unstable and decomposes by a first order reaction. The rate constant for this reaction is 9.5 s^-1. What is the half life of the reaction?

Possible Answers:

0.0729 second

0.0582 seconds

0.0614 seconds

0.0314 seconds

0.132 seconds

Correct answer:

0.0729 second

Explanation:

$t_{\frac{1}{2}}=\frac{ln2 }{k} = \frac{ln2}{9.5} = 0.0729 seconds$

Report an Error

Example Question #1 : Integrated Rate Laws

The half life of a first order reaction is 1.5 hours. What is the rate constant of this reaction?

Possible Answers:

0.21

1.5

0.46

0.52

0.75

Correct answer:

0.46

Explanation:

$t_{\frac{1}{2}} = \frac{ln2 }{k}$

$k =\frac{ln2}{t_{\frac{1}{2}}} = \frac{ln2}{1.5} = 0.46$

Report an Error

View AP Chemistry Tutors

Leonard
Certified Tutor

Florida State University, Bachelor of Science, Environmental Science.

View AP Chemistry Tutors

Muddasir
Certified Tutor

National University of Science and Technology (NUST), Bachelor, Electrical Engineering.

View AP Chemistry Tutors

Miriam
Certified Tutor

Washington University in St Louis, Bachelor in Arts, Biology, General.

All AP Chemistry Resources

6 Diagnostic Tests 225 Practice Tests Question of the Day Flashcards Learn by Concept

Popular Subjects

LSAT Tutors in Houston, English Tutors in Washington DC, Physics Tutors in Miami, LSAT Tutors in Chicago, Algebra Tutors in Boston, English Tutors in Atlanta, ACT Tutors in Phoenix, ACT Tutors in Denver, Calculus Tutors in Phoenix, Spanish Tutors in Boston

Popular Courses & Classes

GRE Courses & Classes in Houston, SSAT Courses & Classes in Philadelphia, GRE Courses & Classes in Dallas Fort Worth, Spanish Courses & Classes in Washington DC, SAT Courses & Classes in San Francisco-Bay Area, ISEE Courses & Classes in Denver, SSAT Courses & Classes in Dallas Fort Worth, MCAT Courses & Classes in Denver, LSAT Courses & Classes in San Diego, GRE Courses & Classes in Boston

Popular Test Prep

SSAT Test Prep in Philadelphia, GRE Test Prep in San Diego, LSAT Test Prep in Miami, GRE Test Prep in Dallas Fort Worth, GRE Test Prep in Boston, SAT Test Prep in Seattle, LSAT Test Prep in Chicago, SSAT Test Prep in Chicago, GMAT Test Prep in San Francisco-Bay Area, SAT Test Prep in Los Angeles

DMCA Complaint

If you believe that content available by means of the Website (as defined in our Terms of Service) infringes one or more of your copyrights, please notify us by providing a written notice (“Infringement Notice”) containing the information described below to the designated agent listed below. If Varsity Tutors takes action in response to an Infringement Notice, it will make a good faith attempt to contact the party that made such content available by means of the most recent email address, if any, provided by such party to Varsity Tutors.

Your Infringement Notice may be forwarded to the party that made the content available or to third parties such as ChillingEffects.org.

Please be advised that you will be liable for damages (including costs and attorneys’ fees) if you materially misrepresent that a product or activity is infringing your copyrights. Thus, if you are not sure content located on or linked-to by the Website infringes your copyright, you should consider first contacting an attorney.

Please follow these steps to file a notice:

You must include the following:

A physical or electronic signature of the copyright owner or a person authorized to act on their behalf; An identification of the copyright claimed to have been infringed; A description of the nature and exact location of the content that you claim to infringe your copyright, in \ sufficient detail to permit Varsity Tutors to find and positively identify that content; for example we require a link to the specific question (not just the name of the question) that contains the content and a description of which specific portion of the question – an image, a link, the text, etc – your complaint refers to; Your name, address, telephone number and email address; and A statement by you: (a) that you believe in good faith that the use of the content that you claim to infringe your copyright is not authorized by law, or by the copyright owner or such owner’s agent; (b) that all of the information contained in your Infringement Notice is accurate, and (c) under penalty of perjury, that you are either the copyright owner or a person authorized to act on their behalf.

Send your complaint to our designated agent at:

Charles Cohn Varsity Tutors LLC
101 S. Hanley Rd, Suite 300
St. Louis, MO 63105

Or fill out the form below:

Do not fill in this field

Contact Information

* Full legal name

Company name

* Phone number

* Email address

Address

* Address1

Address2

* City

* State

* Zipcode

* Country

Complaint Details

* URL of copyrighted work (where your original material is located)

* Please describe the copyrighted work so that it may be easily identified

I am the owner, or an agent authorized to act on behalf of the owner of an exclusive right that is allegedly infringed.

I have a good faith belief that the use of the material in the manner complained of is not authorized by the copyright owner, its agent, or the law.

This notification is accurate.

I acknowledge that there may be adverse legal consequences for making false or bad faith allegations of copyright infringement by using this process.

* Signature (your digital signature is legally binding)

HIGH SCHOOL

GRADUATE SCHOOL

K-8

Search 50+ Tests

math tutoring

science tutoring

foreign languages

elementary tutoring

other

Search 350+ Subjects

AP Chemistry : Integrated Rate Laws

Study concepts, example questions & explanations for AP Chemistry

All AP Chemistry Resources

Example Questions

Example Question #1 : Integrated Rate Laws

Example Question #1 : Integrated Rate Laws

Example Question #2 : Integrated Rate Laws

Example Question #1 : Integrated Rate Laws

Example Question #1 : Integrated Rate Laws

All AP Chemistry Resources

Report an issue with this question

DMCA Complaint

Contact Information

Address

Complaint Details

Email address:
Your name:
Feedback: