CHEM 1041 Study Guide - Midterm Guide: Reaction Rate

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copperfly323

6 Jun 2018

School

Department

Chemistry

Course

CHEM 1041

Professor

Waddell

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Ch. 16 Study Guide

Trends

• Higher concentration of reactants= greater reaction rate

• Higher temperature= greater the reaction rate

Reaction Orders

• First Order- rate doubles when a doubles

o Rate= K[A]

o 1/s

• Second order= rate quadruples when a doubles

o Rate=K[A]^2

o (l/mol) /s

• Zero order= rate does not change when a doubles

o Rate= k

o (mol/L) s

Half Life

• Half-life- time taken for the concentration of a reactant to drop to half its initial value

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Related Questions

First order reactions are important in chemical reactions as well as in pharmacology. First order refers to the rate of a reaction. If the reaction is Aï B, then stating that it is first order implies that rate=k*[A], where k is some constant and [A] is the concentration of A. Which of the following does not hold true for such an order reaction?

A) The slope of log[A] over time is linear

B) Half-life depends on the concentration of A

C) If [A] doubles, so will the rate of the reaction

D) Changing [B] will have no impact on the rate

This reaction takes place with first-order kinetics

and is initially at equilibrium when the concentration of reactant is . The rate constant for the forward reaction is and the reverse rate constant is . Some product is added to the reaction so that the amount of product in the mixture doubles. What is the rate of reaction for the backward reaction?
(A)
(B)
(C)
(D)
(E)