What is the concentration of the reactant b

Assignment Help Chemistry
Reference no: EM13165986

A certain first-order reaction (A -->product) has a rate constant of 8.70×10^-3 s^-1 at 45 Celsius . How many minutes does it take for the concentration of the reactant,[A], to drop to 6.25% of the original concentration?

A certain second-order reaction (B--> products) has a rate constant of 1.40×10^-3 M^-1*s^-1 at 27 Celsius and an initial half-life of 280s . What is the concentration of the reactant B after one half-life?

Reference no: EM13165986

Questions Cloud

To make things easy, just place the line makeclothes : To make things easy, just place the line makeClothes at the top of your script so you're guaranteed to have the correct acmeClothes array to work with.
Assume that on a yearly basis the lake is completely mixed : Assume also that on a yearly basis the lake is completely mixed, and that the small river flowing into and out of the lake can be neglected as far as acidification is concerned. How many years will it be before the lake will reach a pH of 5.0?
How many different physical changes occur : when mixture A at 273 K is heated to 473 K, mixture B results. How many different chemical changes occur? How many different physical changes occur?
Night terrors and nightmares : Discuss the differences between night terrors and nightmares.
What is the concentration of the reactant b : A certain second-order reaction (B--> products) has a rate constant of 1.40×10^-3 M^-1*s^-1 at 27 Celsius and an initial half-life of 280s . What is the concentration of the reactant B after one half-life?
State model triglyceride with naoh and h2o : draw the organic product you would expect to obtain from reaction of the following model triglyceride
Write a program for a college''s admissions office : Write a program for a college's admissions office. Create variables that store a numeric high school grade point average andan admission test score.Print the message "Accept" if the studenthas any of the following:
Change the color of the text in the redlabel to red : Write that visual basic instruction to change the color of the text in the redlabel to red.
Assume we have an array named $students : Assume we have an array named $students. Each entry in the array contains a student's full name (e.g. "Jane Smith"). Write the PHP code needed to display all students (in the array) whose first name starts with the letter "J".

Reviews

Write a Review

Chemistry Questions & Answers

  Product in the reaction - a primary carbocation

In an experiment you combine 4-methyl-2-pentene and water, in the lab you setup the experiment using a a heater, condenser and N2 gas and add the reagent H2SO4

  How many grams of copper(ii) sulfate and water are formed

When 1.543 g of copper(II) sulfate pentahydrate is heated to drive off the water of hydration, how many grams of copper(II) sulfate and water are formed?

  Explain grignard reagent and carbonyl-containing compound

Grignard reagent and carbonyl-containing compound. Suppose scheme one involves the reaction of the Grignard reagent containing more carbon atoms with the carbonyl compound containing less carbon atoms and scheme two involves the reaction of the Gr..

  What percent of calories are from fat

A snack pack of potato chips holds 28 grams of chips. Based on your data, how much fat is present in a snack pack? In such a bag of chips, there are about 15 grams of carbohydrate and about 1 gram of protein.

  Calculate the molar mass of x

22.3 g of a substance X dissolves in enough water to make 0.507 L of a 0.779 M solution. Calculate the molar mass of X in g/mol.

  Require to apply to neutralize the acidity

Require to apply to neutralize the acidity that concluded from nitrification and determine how much CaCO 3

  Calculate the new volume of the helium

A 113L sample of helium at 27 degrees Celsius is cooled at a constant pressure to -78 degrees Celsius. calculate the new volume of the helium.

  What wt of a will be removed by four successive extraction

The distribution coefficient, k = (conc. in hexanes/ conc. in water), between hexanes and water for solute A is 7.5 . What weight of A would be removed from a solution of 10g of A in 100mL of water by a single extraction.

  Draw a doagram to show the changes in potential energy

Draw a doagram to show the changes in potential energy that occur from the rotation around the C1-C2 bond of 1-bromopropane.

  What is the exact alkalinity of a water

What is the exact alkalinity of a water that contains 0.6580 mg/L of bicarbonate, as the ion, at a pH of 5.66? No carbonate is present.

  How much of the salt would you need to add

If you had a saturated solution of NaNO3 at 40 degrees Celsius that contained 85 grams of water, how much of the salt would you need to add to have a saturated solution at 70 degrees Celsius?

  What will the final temperature be

If 125 cal of heat is applied to a 60.0 g piece of copper at 24C, what will the final temperature be? The specific heat of copper is 0.0920cal/(g x C).

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd