Everything Chem

Dynamic rate rate chapter 62 the n2o4 no2

Info iconThis preview shows page 1. Sign up to view the full content.

View Full Document Right Arrow Icon
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: action order n and m we study the rate as a function of [A] (WHILE HOLDING [B] CONSTANT) and the rate as a function of [B] (WHILE HOLDING [A] CONSTANT) Chapter 5.2 Cont’d Rate always has UNITS Let’s leave [B] constant (they’ll cancel) Chapter 5.3 Reactant Concentrations and Time From a practical standpoint, it is often very important to know the concentrations of chemical species as a function of time. - [A]t is the concentration of A for time t - [A]0 is the initial concentration of A For a first order reaction [A]t vs. time is an exponential function (exponential decay). [A] disappears more rapidly if k is large If we take the ln (natural logarithm) on both sides = This is an equation of a line The time required for half of the reactant to decompose does not depend on the initial concentration • This is called half- life; Zero- Order Reactions therefore -...
View Full Document

This note was uploaded on 02/13/2014 for the course CHEM 1024 taught by Professor Dr.zhifengding during the Winter '12 term at UWO.

Ask a homework question - tutors are online