Explain what is the half-life

Assignment Help Chemistry
Reference no: EM13150613

Methyl isocyanide, CH3NC, isomerizes when heated to give acetonitrile (methyl cyanide), CH3CN CH3NC (g) ? CH3CN (g) The reaction is first order. At 230 ºC, the rate constant for the isomerization is 6.3 x 10-4 /s. a) What is the half-life? b) How long would it take for the concentration of CH3CN to decrease to 25% of its initial value? c) To 12.5% of its initial value?

Reference no: EM13150613

Questions Cloud

An auditing course. : an auditing course.
Calculate the molarity of the naoh solution : a sample of 1.518g of KHC8H4O4 was dissolved in water and titrated with an NaOH solution. 26.90 ml were required to reach the equivalence point. Calculate the molarity of the NaOH solution
Determinants of supply and demand graph the supply : determinants of supply and demand, graph the supply and demand curves and illustrate the resulting change in the equilibrium price and quantity.
Find whether there is statistically significant difference : Using the 7 steps in significance testing, determine whether there is a statistically significant difference between U.S. Air and the national average such that U.S. Air has longer flight delays. Show all 7 steps.
Explain what is the half-life : What is the half-life? b) How long would it take for the concentration of CH3CN to decrease to 25% of its initial value? c) To 12.5% of its initial value?
Find green canadian product : Find three green canadian product that can be patented and sell to another country
What will be the new pressure in atmospheres : A 890 mL sample of NO2 gas is at STP. If the volume changes to 644 mL and the temperature changes to 20ºC, what will be the new pressure in atmospheres?
What happens to your tax bill and to your average margin : Taking all taxes into account, what are your average and marginal tax rates? What happens to your tax bill and to your average and marginal tax rates if your income rises to $40,000?
Find overall mean and standard deviation of the test scores : Your friend also takes the test and obtains a score of 161.42 and is told that he is in the 22.8th percentile. What is overall mean and standard deviation of the test scores?

Reviews

Write a Review

Chemistry Questions & Answers

  How will you prepare the solutions

How will you prepare the following solutions from 6.0 M solutions of acetic acid and ammonia. Give exact details. Assume that a 10-mL graduated cylinder.

  To what temperature must the specimen be heated

To what temperature must the specimen be heated and how much Sn should be mixed to the 1.5-kilograms specimen at the temperature of twenty five degree celsius to achieve this state?

  What is the new pressure in the tire

A bicycle tire is filled with air to a pressure of 611 kPa at a temperature of 19 degrees C. Riding the bike on a hot day increases the temperature of the tire to 58 degrees C.

  Determine the mass of agno3

Determine the mass of AgNO3 (MW = 170g/mol) required to dissolve in 400 mL solution in order to prepare a solution which is .14 M AgNO3.

  Find the molecular weight of the unknown compound

Find the molality of the solution. Find the molecular weight of the unknown compound please show steps

  A student is presented with a sample of an unknown substance

A student is presented with a sample of an unknown substance and asked to classify the substance as organic or inorganic

  Which is the limiting reactant

Methyl alcohol (CH3OH) is made by reacting carbon monoxide with H2. Starting with 2.5 g of H2 and 30 L of CO, what mass of methyl alcohol could be produced at STP? which is the limiting reactant?

  What is the heat of vaporization of this substance

Carbon disulfide, CS2, is a volatile, flammable liquid. It has a vapor pressure of 400.0 mmHg at 28.0°C and 760.0 mmHg at 46.5°C. What is the heat of vaporization of this substance?

  Calculate the molar mass of the biomolecule

A 1.70-g sample of a large biomolecule was dissolved in 11.0 g of carbon tetrachloride. The boiling point of this solution was determined to be 77.85°C. Calculate the molar mass of the biomolecule.

  What is the volume of hcl gas required

what is the volume of HCl gas required to react with excess magnesium metal to produce 6.82 L of Hydrogen gas at 2.19 atm and 308 K?

  How many formula units required

How many formula units make up 26.2 g of magnesium chloride (MgCl_2)?

  How much copper (i) sulfide would be produced

If 5.68 g of Cu was added to 3.18 g of S8, How much copper (I) sulfide would be produced?

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