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Rates of Reaction Lab

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  • Essay length: 2387 words
  • Submitted: 28/08/2010
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International Baccalaureate Chemistry

The first 200 words of this essay...

Rate of Reaction Design Experiment

Effect of concentration on the rate of reaction between a metal and an acid

Introduction

In chemistry, chemical kinetics is the study of the factors affecting the rate of a chemical reaction. By definition, rate is the increase in the concentration of one of the products per unit time or decrease in the concentration of one of the reactants per unit time. Many factors trigger the rate of reaction, such as concentration, surface area and temperature. I will investigate the effect of concentration on the rate of reaction between a metal, zinc (Zn), and an acid, hydrochloric acid (HCl). According to the collision theory and based on my experimental results, I will prove my following hypothesis to either be correct or incorrect in theory.

Design (D)

Aim

To investigate the effect of concentration of HCl on the rate of reaction of zinc (Zn)) by measuring the volume of hydrogen produced.

Hypothesis

As the concentration of the hydrochloric acid (HCl) is increased, the rate of reaction per unit time will increase up to a certain concentration too, until

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