Asked Nov 23, 2019

For a first order reaction, the concentration decreases to 30% of its initial value in 5.0 min. What is the rate constant?


Expert Answer

Step 1

Given information,


Image Transcriptionclose

Concentration de creasesto30%of itsinitial value Time 5.0min Rate constant, k=?

Step 2

Integrated rate law for a first o...


Image Transcriptionclose

A n = -kt Ao here, A-concentration at a given time Ao-initial concentration k-rate constant


Want to see the full answer?

See Solution

Check out a sample Q&A here.

Want to see this answer and more?

Solutions are written by subject experts who are available 24/7. Questions are typically answered within 1 hour.*

See Solution
*Response times may vary by subject and question.
Tagged in



Chemical Kinetics

Related Chemistry Q&A

Find answers to questions asked by student like you
Show more Q&A

Q: Home 101 Chem 101 My Questions bartleby X (274) (Letra) "Por Este Amor X X X С Unoffic...

A: Given,Molarity of NaF (M1) = 0.300M.Molarity of NaF (M2) = 0.0145M.Volume of solution (V2) = 250.0mL...


Q: Be sure to answer all parts. Calculate the standard free-energy changes for the following reactions ...

A: (a)Standard free-energy changes for the given reaction at 25°C is calculated as follows,


Q: A solution of toluene in 301 g of cyclohexane has a boiling point of 90.3 °C. How many moles of tolu...

A: Given,Mass of cyclohexane = 301g.Boiling point of solution = 90.30C.Kb = 2.920C/m.Tb = 80.90C.


Q: 11. Which particulate level diagram below represents an aqueous solution of Srl2? (Note that in the ...

A: Balancing reaction:Balanced reaction is a chemical reaction in which number of atoms for each elemen...


Q: Calculate the pH at the equivalence point of a titration of 0.3326 g of THAM (pKa of conjugate base ...

A: Calculation of molarity of THAM from molar mass:


Q: Draw the Lewis structure of NCl3. Include lone pairs.

A: Click to see the answer


Q: 1. 2Li, Et,O 2. CHCH2CCH 3 Нзс—СІ (сн), сн(сн,), СI 3. 3 2 2

A: First and second step of the reaction is shown below. An organolithium (1-butynyl lithium) is formed...


Q: Which of the following can act as an acid only according to both Arrhenius Acid-Base Theory and Bron...

A: According to the Brønsted-Lowry theory, an acid is a chemical species capable of donating a proton o...


Q: What kind of intermolecular forces does Br- in water experience; london dispersion, dipole-dipole, h...

A: Hydrogen bond: hydrogen bond is defined as the electrostatic attraction between the positively charg...