Ask Question, Ask an Expert

+61-413 786 465

info@mywordsolution.com

Ask Chemistry Expert

A reaction has a rate constant of 1.21×10-4 at 25 degrees C and 0.232 at 79 degrees C. The activation barrier for the reaction is 122 KJ/mol. What is the value of the rate constant at 18 degrees C?

Chemistry, Academics

  • Category:- Chemistry
  • Reference No.:- M91038153

Have any Question?


Related Questions in Chemistry

Protein folding assignmentin an in vitro protein folding

PROTEIN FOLDING ASSIGNMENT In an "in vitro" protein folding experiment monitored by fluorescence measurements the following data was obtained for protein X: [GuHCl], M Wavelength Maxima, nm 0 330 0.5 332 1.0 331 1.5 332 ...

Calculate the volume of 60m naoh solution that you would

Calculate the volume of 6.0M NaOH solution that you would need to prepare 500mL of a .15M NaOH solution. (formula weight of NaOH = 40.00g/m)

202 g of an unknown molecular solute is dissolved in 565

20.2 g of an unknown molecular solute is dissolved in 5.65 moles of aniline (C6H5NH2), causing the boiling point of aniline to increase by 3.79 °C. Calculate the molar mass of the solute. For aniline, the molar mass is 9 ...

The molecular weight of an unknown gas was measured by an

The molecular weight of an unknown gas was measured by an effusion experiment. It was found that it took 64 seconds for the gas to effuse, whereas nitrogen required 48 seconds. The molecular mass of the gas is ?

How many moles are in 8552e02 mg megagrams of nickel iii

How many moles are in 8.552e+02 Mg (megagrams) of Nickel (III) sulfate? How many molecules are in 5.048e+02 g (grams) of Ammonium Thiosulfate? How many grams do 3.270e+20 molecules of Manganese (IV) phosphate weigh

A 1000 g sample of copper metal is heated in a crucible and

A 1.000 g sample of copper metal is heated in a crucible and after 15 minutes themass of the crucible contents is 1.111 g. Calculate the mass of copper (II) oxide that was produced.

A mixture consisting of powdered granite and sugar water is

A mixture consisting of powdered granite and sugar. Water is added and the mixture is stirred then filtered. What is presented on the filter paper? What is present in the filtrate(the liquid obtained in the filtration)? ...

A chemist adds 3700 ml of a 0371m barium acetate bac2h3o22

A chemist adds 370.0 mL of a 0.371M barium acetate (Ba(C2H3O2)2) solution to a reaction flask. Calculate the millimoles of barium acetate the chemist has added to the flask. Round your answer to 3 significant digits.

At a given pressure and temperature it takes 1987 sec for a

At a given pressure and temperature, it takes 198.7 sec for a 2.6 L sample of Kr to effuse through a porous membrane. How long does it take for 2.6 L Ar to effuse under the same conditions?

There are five forces identified by porter their relevance

There are five forces identified by porter their relevance will be necessary for evaluating companies identified in the pharmaceutical and tobacco industry in the Middle East. CAD Pharmaceuticals Middle East pharmaceutic ...

  • 4,153,160 Questions Asked
  • 13,132 Experts
  • 2,558,936 Questions Answered

Ask Experts for help!!

Looking for Assignment Help?

Start excelling in your Courses, Get help with Assignment

Write us your full requirement for evaluation and you will receive response within 20 minutes turnaround time.

Ask Now Help with Problems, Get a Best Answer

Why might a bank avoid the use of interest rate swaps even

Why might a bank avoid the use of interest rate swaps, even when the institution is exposed to significant interest rate

Describe the difference between zero coupon bonds and

Describe the difference between zero coupon bonds and coupon bonds. Under what conditions will a coupon bond sell at a p

Compute the present value of an annuity of 880 per year

Compute the present value of an annuity of $ 880 per year for 16 years, given a discount rate of 6 percent per annum. As

Compute the present value of an 1150 payment made in ten

Compute the present value of an $1,150 payment made in ten years when the discount rate is 12 percent. (Do not round int

Compute the present value of an annuity of 699 per year

Compute the present value of an annuity of $ 699 per year for 19 years, given a discount rate of 6 percent per annum. As