Explain what is the half-life for this reaction

Assignment Help Chemistry
Reference no: EM13265239

Molecular iodine, I2(g), dissociates into iodine atoms at 625 K with a first-order rate constant of 0.271 s-1.

(a) What is the half-life for this reaction?

(b) If you start with 0.052 M I2 at this temperature, how much will remain after 5.16 s assuming that the iodine atoms do not recombine to form I2?

Reference no: EM13265239

Questions Cloud

Determine the tension t which the upper man must exert : Two men are sliding a 100-kg crate up an incline. If the lower man pushes horizontally with a force of 500 N, and if the coefficient of static friction is 0.30, determine the tension T which the upper man must exert on the rope to get the crate to..
How long does the journey take according to the cosmic ray : A cosmic ray travels 60 km through the earth's atmosphere in 380?s, How long does the journey take according to the cosmic ray
Identify potential business environments : Compare and contrast benefits and challenges that exist between centralized database management systems and distributed database management systems. Identify potential business environments where each can be properly used.
Design a non-inverting amplifier circuit to do the task : A transducer with a Thevenin equivalent output resistance, RTH =10 k-ohm and a Thevenin equivalent open circuit voltage of V TH = 1 millivolt must be amplif ied to 5 volts. Using an ideal OpAmp, design a non-inverting amplifier circuit to do this ..
Explain what is the half-life for this reaction : Molecular iodine, I2(g), dissociates into iodine atoms at 625 K with a first-order rate constant of 0.271 s-1. What is the half-life for this reaction
What is the distance between the cliffs : A cowboy stands on horizontal ground between two parallel vertical cliffs. He is not midway between the cliffs. What is the distance between the cliffs
Find the expected rate of return and the market risk : Stock A has a beta of .2, and investors expect it to return 5%. Stock B has a beta of 1.8, and investors expect it to return 17%. Use the CAPM to find the expected rate of return and the market risk premium on the market.
Explain what must the activation energy be for the rate : The rate constants of some reactions double with every 10 degree rise in temperature. Assume that a reaction takes place at 350 K and 360 K. What must the activation energy be for the rate constant to double as described
Explain the subsequent motion of the rod : A uniform rod of mass M and length L is sitting on a frictionless table. Describe the subsequent motion of the rod

Reviews

Write a Review

Chemistry Questions & Answers

  Which chemical in the following reaction is the acid

According to the Bronsted-Lowry definition, which chemical in the following reaction is the acid? CO32- + H2O -> OH- + HCO3

  Find calculated surface concentration of so2

Explain qualitatively how the following would change the calculated surface concentration of SO2 assuming a gaussian plume from a smoke stack that follows the gaussian equation for the concentration of SO2

  Explain important information about organic chemistry

Important information about Organic Chemistry, The most reasonable formula for a compound demonstrating M+ =101 with a minor M+1 peak is

  State the electron-domain and molecular geometries

Give the electron-domain and molecular geometries for the following molecules and ions (enter the appropriate number from thefollowing list).

  What is the partial pressure of each gas

A sample of air contains 78.08 % N2, 20.94% O2, 0.05 %CO2, 0.93% Ar by volume. a) How many molecules of each gas present in 1.00 L sample at 25 C and 1.00 atm. b)What is the partial pressure of each gas?

  Explain the rf values changed when the eluant was change

Explain why the Rf values changed when the eluant was changed from 100% petroleum ether to a 95:5 mixture of petroleum ether-ethyl acetate. Why UV light is not a useful visualization technique in every circumstances?

  State naturally occuring chlorine has two isotopes

Naturally occuring chlorine has two isotopes, Cl-35, which has an atomic mass of 34.969 amu and Cl-37. If the average atomic mass of chlorine is 35.46 amu and its natural abundance is 75.53%

  Explain what is the relative atomic mass

The next most abundent isotope is 26Mg, relative atomic mass 25.98259. The third Isotope is 25Mg whose natural abundance is in the ratio of 0.9083 to that of 26Mg. What is the relative atomic mass of 25Mg?

  How many grams of o2 will be required

How many grams of O2 will be required to completely react with 2.43 grams of Mg metal ribbon to produce MgO.

  Compute the number of moles

Compute the number of moles - As we know many volatile substances are present in Earth's atmosphere in trace amounts.

  What will be the volume

a sample of nitrogen gas occupies 1.55 l at 27.0c and 1.00atm. what will be the volume be at -100.0 C and the same pressure

  How to compute the equilibrium constant

Calculate the equilibrium constant at 0c and at 50c(assuming enthalpies of formation are independent of temp)

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