Activation energy and frequency factor

For the thermal cracking of ethane in a tubular reactor, the following data were obtained for the rate coefficient at different reference temperatures:
T [°C] 702 725 734 754 773 789 803 810 827 837 k [s’1] 0.15 0.273 0.333 0.595 0.923 1.492 2.138 2.718 4.137 4.665
Determine the activation energy and frequency factor.

 

Sample Solution

Reactions were covered earlier in the chapter in terms of molecular energy levels and effective collision frequency. Svante Arrhenius, a Swedish scientist, proposed the following equation in 1889 to connect these ideas with the rate constant: Where k stands for the rate constant, Ea is the activation energy, R is the gas constant (dfrac8.3145text JtextK mol) on the left, and T is the temperature in Kelvin on the right. The frequency factor, or A, is measured in L mol-1 s-1 and takes into account both the likelihood of the right molecular orientation and the frequency of reactions. If the rate constant is known, we can use the Arrhenius equation to get the activation energies, and vice versa. Additionally, it expresses mathematically the connections we previously established:

Leader SUMMARY

 

The undertaking depends on investigation of Working Capital Management of Iceberg Foods Ltd. For this review, Annual Reports of most recent five years have been thought about. Since current monetary year asset report (2011-12) was not ready during my temporary job span with the goal that period has not been covered. Likewise, accounting reports is consistently on united premise and doesn’t contain every one of the minor subtleties, so some data has been recovered by means of meetings with various representatives of the association. The data given by them is thought to be valid due to their involvement with their separate fields. As indicated by me, no work is finished without the essential comprehension of the working of association. Working of association remembers assembling of items that organization bargains for. In this way, my task contains stream outline of different cycles of the plant (Manufacturing of Bottles, Packaged Drinking Water and Carbonated Soft Drinks). The venture likewise incorporates corporate way of thinking and profile of the organization and profile of Soft savor industry general. To learn about the organization, Vertical normal measured Balance Sheet and Profit and Loss Account articulation of most recent five years have been arranged. Aside from that, Working Capital pattern examination has been finished with the assistance of outlines and charts and Cash Flow explanation of most recent two years is likewise been ready. Ideal degrees of Current resources and Current liabilities have been considered with the assistance of records, sythesis and different diagrams and investigation have been finished for both. The strength and shortcoming of the organization has been broke down with the assistance of effectiveness proportions, liquidity proportions and numerous different proportions. Each proportion is trailed by diagram or outline which shows visual picture about working of association. Aside from that working pattern of the organization has likewise been arranged throughout the previous five years which shows how regularly unrefined substances are changed over into deals. The venture closes with end that is acquired from the investigation of Working Capital Management of the organization. It is additionally trailed by proposals which incorporate ideas for the organization. These ideas can be carried out by the organization which might bring about additional benefits and better working of the association. It can likewise help in further developing generosity of the organization and consequently, can make a serious situation on the lookout.

 

‘ Chapter 1: INTRODUCTION

 

Cash is the life saver of an organization. Assuming this help decays, so does the organization’s capacity to subsidize tasks, reinvest and meet capital necessities and installments. Understanding an organization income wellbeing is fundamental in pursuing speculation choices. An effective method for passing judgment on an organization’s income is to take a gander at its Working Capital Management (WCM). Working Capital alludes to the money a business expects for everyday tasks, or, all the more explicitly, for supporting the change of unrefined components into completed products, which the organization sells for installment. Among the main things of working capital are levels of stock, debt claims and records payable. Examiners check out at these things for indications of an organization’s proficiency and monetary strength. ‘Working Capital, likewise called net current resources, the abundance of current resources over current liabilities. The proficient administration of working capital is significant according

This question has been answered.

Get Answer
WeCreativez WhatsApp Support
Our customer support team is here to answer your questions. Ask us anything!
👋 Hi, Welcome to Compliant Papers.