Question: A first- order reaction is 75.0% complete in 320. s. a. What are the first and second half-lives for this reaction? b. How long does

A first- order reaction is 75.0% complete in 320. s.
a. What are the first and second half-lives for this reaction?
b. How long does it take for 90.0% completion?

Step by Step Solution

★★★★★

3.34 Rating (166 Votes )

There are 3 Steps involved in it

1 Expert Approved Answer

Step: 1 Unlock

a When a reaction is 750 complete 250 of reactant remains this represents two half lives 1... View full answer

Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock

Step: 3 Unlock

Document Format (1 attachment)

442-C-P-K-C (66).docx

120 KBs Word File

Students Have Also Explored These Related Physical Chemistry Questions!

How long does it take to y from Denver to Atlanta on Delta Airlines? The table below shows 56 observations on fight times (in minutes) for the first week of March 2005. (a) Use the grouped data...

How long does it take to fly from Atlanta to New Yorks LaGuardia airport? There are many components of the time elapsed, but one of the more stable measurements is the actual in-air time. For a...

How long does it take you to adjust to your normal work routine after coming back from vacation? A bar graph with data from the Snapshots section of USA Today is shown below: a. Are all of the...

A first-order reaction is 75.0% complete in 320. s. a. What are the first and second half-lives for this reaction? b. How long does it take for 90.0% completion?

part b A first-order reaction is 75% complete in 353s. (a) What are the first and second half-lives for this reaction? (b) How long does it take for 91.7% completion? s

a) Calculate the rate constant (with appropriate units) for a first order reaction which is 10.5%% complete in 172 s. b) What is the value of the half-life of the reaction? c) How long will it take...

The half-life of a first order reaction is 13 minutes. (Ch. 14) If the initial concentration of the reactant is 0.085M, how long (in min) will it take for the concentration to decrease to 0.0106M ?...

Half-Life 11 1 point Consider the overall reaction for the thermal decomposition of phosphine (PH3) into phosphorus and molecular hydrogen: Consider the thermal decomposition of phosphine which is a...

a)USING KINETIC WHAT WOULD BE THE value of K for each run? b) concentration of the dye of each run at time 0 c) concentration at time 0 of the bleach of each run d) the initial rate of each run e)...

Please answer question #2 and #3. The topic is kinetics, rate law P73 fx A B D E F G H 1 ] L M N C 27 Time (sec) 0 20 40 RUN #1 LOG 60 80 0.2 0 100 1201 140 160 -0.2 -0.4 log(absorbance) @624.4 nm...

What is the transmission rate of information bits if you use ASCII (8 bits plus 1 parity bit), a 1,000-character frame, 56 Kbps modem transmission speed, 20 control characters per frame, an error...

What is the journal entry for the following: A Company records depreciation on equipment using the straight-line method. However, for tax purposes, the company was able to subtract $4,000 as...

Find the p-value for each of these situations, taking into account whether the test is one-sided or two-sided. a. z-statistic 5 2.10, H0: p 5 .10, Ha: p .10. b. z-statistic 5 2.00, H0: p 5 .6, Ha: p...

The restricted cubic spline analysis for age in the Burn Injury Study shown in Table 4.21 used four knots at the 5th, 35th, 65th, and 95th percentiles (see Table 4.1). Verify that spline functions...

A solution is prepared by dissolving 0.56 g benzoic acid (C 6 H 5 CO 2 H, Ka = 6.4 10 -5 ) in enough water to make 1.0 L of solution. Calculate [C6H 5 CO 2 H], [C 6 H 5 CO 2 - ], [H + ], [OH - ],...

A typical aspirin tablet contains 325 mg acetylsalicylic acid (HC 9 H 7 O 4 ). Calculate the pH of a solution that is prepared by dissolving two aspirin tablets in enough water to make one cup (237...

A solution contains a mixture of acids: 0.50 M HA (K a = 1.0 10 3 ), 0.20 M HB (K a = 1.0 10 10 ), and 0.10 M HC (K a = 1.0 10 12 ). Calculate the [H + ] in this solution.

O d. Avoidance The probability distribution associated with the role of a die: * O a. can be used to forecast the risk of restaurant law suits b. is a non-normal distribution O c. is known in advance...

Kaleb Konstruction, Inc., has the following mutually exclusive projects available. The company has historically used a three-year cutoff for projects. The required return is 10 percent. Year Project...

Net present value Using a cost of capital of 16%, calculate the net present value for the project shown in the following table and indicate whether it is acceptable, The net present value (NPV) of...