How does the concentration affect the rate of a reaction30/1/2012 by alex whenman contents page 1 introduction to my investigation 2. Conclusion i would have liked to record the mass of each magnesium strip before dissolving it in the hydrochloric acid i would have also liked to use smaller intervals between the concentrations of acid, possibly 01 m increments of concentrations. 3 ii data analysis and interpretation a from the data you collected in the table from section i b calculate the molar concentrations of h. Introduction: factors that can affect the rate of a reaction include temperature, the presence of a catalyst, and the concentration of reactants.
61 - rates of reaction rate of reaction is concerned with how quickly a reaction reaches a certain point it can be defined as the decrease in concentration of the reactants per unit time or the increase in concentration of the products per unit time. The graph above summarises the differences in the rate of reaction at different temperatures, concentrations and size of pieces the steeper the line, the greater the rate of reaction reactions are usually fastest at the beginning, when the concentration of reactants is greatest when the line. 576 chapter 16 key terms • chemical kinetics • reaction rate figure 1 the winner of the race is the car that has the highest rate of travel objectives define the rate of a chemical reaction in terms of concentration.
Extracts from this document introduction contents page planning 2 introduction 2 background knowledge 2 the collision theory 2 diagrams to show the particles reacting in a high concentration level and a low concentration level of hydrochloric acid 3 prediction 5 the experiment 5 the outline of the plan 5. Lesson plan in science (chemistry) i objective 1 to identify and explain the factors affecting the rate of chemical reaction i subject matter a topic factors affecting the rate of a chemical change b references brown et al, chemistry: the central science 8th edition, chemical kinetics, pp 509. The rates of chemical reactions page 2-3 figure 21 concentration of reactant and product as a function of time chapter 2 the rates of chemical reactions 21 introduction the objective of this chapter is to obtain an empirical description of.
How concentration affects the rate of reaction between hydrochloric acid and sodium thiosulphate chemistry coursework how concentration affects a reaction. The reaction of aluminum in hcl abstract: a demonstration has been developed which nicely illustrates the temperature effect on reaction rates and the general rule relating temperature increases with rate increases. Chemical reaction rates can differ when different factors are present the lesson focuses on the main rate changing contributors: temperature, concentration, surface area, and catalysts. In order to get maximum marks in this coursework it is vital that you discuss all factors which affect the rate of a reaction these include: temperature. Investigating rates of chemical reactions in this lesson, students will investigate the factors that affect the rate of chemical reaction between hydrochloric acid and sodium thiosulphate solution.
Lab #4: enzymes p 2 few types of molecules that can bind to the active site for a long enough period of time for a chemical reaction to take place. Enzyme action—effect of enzyme concentration, the rate of a chemical reaction part i testing the effect of enzyme concentration on the rate of reaction. Lab 21 reaction rates: why do changes in temperature and reactant concentration affect the rate of a reaction introduction the molecular-kinetic theory of matter suggests that all matter is made up of submicroscopic particles. A simple chemical reaction with a single substrate shows a linear relationship between the rate of formation of product and the concentration of substrate, as shown below: for an enzyme-catalysed reaction, there is usually a hyperbolic relationship between the rate of reaction and the concentration.
The rate of reaction of magnesium with hydrochloric acid activities demonstrates a wide range of chemical concepts and of concentration on reaction rate. An experiment to investigate the rate of reaction between marble chips and hydrochloric acid analysis from my graph i can see that as the concentration of hydrochloric acid increased as did the rate of reaction. The relationship between the concentration of a reactant and the rate of reaction the effect of concentration on rate understanding the rates of chemical. Factors that affect rate there are four main factors that can affect the reaction rate of a chemical reaction: 1 reactant concentration increasing the concentration of one or more reactants will often increase the rate of reaction.
In equation 9, [e]0 is the initial concentration of e, and [e] is it concentration at time t the integrate rate law gives the concentration of reactant as a function of time. Develop an experiment to investigate a factor or factors that affect the rate of a chemical reaction • analysis and average reaction rate vs concentration. A kinetic study: reaction of crystal violet with naoh • observe that reactant concentration affects reaction rate, chemical kinetics is the study of.