This document outlines an assignment for a BTEC Applied Science course. Students are asked to: 1) Research and experimentally test factors that affect reaction rates, and report the findings to their manager. 2) Investigate the effects of surface area and concentration on the reaction of marble chips with hydrochloric acid, and the use of a catalyst in the decomposition of hydrogen peroxide. Draw conclusions about how these factors influence reaction rates. 3) Research and present a poster about reversible reactions, including factors that affect the rate. 4) Use information gathered from their experiments to present to executives how different factors influence the rate of an industrial reaction.

1. Welling School
BTEC First Certificate and Diploma in
Applied Science
Unit 3
Chemistry Applications
Centre
Number
Student Name
Date Issued
Student Deadline Date
Reference
Number
Date
Submitted
Assignment
Tutor
Assignment 3.4
P4 Investigate and use primary data to identify the factors
affecting reaction rates and reversible reactions
M4 Investigate the use of primary data to describe how factors
affect reaction rates and reversible reactions
D4 Use primary data to evaluate how different factors affect
reaction rates for a given industrial reaction
EDEXCEL LEVEL 2 BTEC FIRST CERTIFICATE
AND DIPLOMA IN APPLIED SCIENCE BT 16/10/09

2. Learning Outcomes
Understand the factors involved in chemical reactions.
Scenario
Following the work you have carried out on exothermic and endothermic
reactions, your manager wants you to investigate factors that affect the rate of
reactions. The results of this work will enable the company to maximise the
product output from reactions that are carried out on a large scale.
Tasks
P4 Carry out research into factors that affect the rate of reactions. Using
this information, design and carry out a series of simple experiments
that prove your findings. Produce a full account of your findings which
can be passed on to your manager.
M4 Carry out an investigation into the effect of changing the surface area
of marble chips reacting with dilute hydrochloric acid and the effect of
keeping the surface area of the marble chips constant and changing
the concentration of the hydrochloric acid.
Also, carry out an investigation into the effect of the use of a catalyst by
carrying out the decomposition of hydrogen peroxide solution by using
Manganese (IV) Oxide as a catalyst.
Use the results of these investigations to draw conclusions which
describe how different factors affect reaction rates. Fully write these
results and conclusions up and present them to your manager.
Carry out research into a reversible reaction and produce a poster
showing what happens during a reversible reaction and factors which
can affect the rate of the reaction.
D4 Use the information which you have gathered from your investigations
to produce a presentation on how different factors affect reaction rates
for an industrial reaction which your manager will give you. This
presentation will be shown to executives from a company with whom
your company is hoping to win a contract to carry out the industrial
reaction on a large scale.
EDEXCEL LEVEL 2 BTEC FIRST CERTIFICATE
AND DIPLOMA IN APPLIED SCIENCE BT 16/10/09

3. Assessor Comments:
Resubmission Date:
Pupil Comments:
Assessors Signature Internal Verification Internal Verifiers
Date Signature
EDEXCEL LEVEL 2 BTEC FIRST CERTIFICATE
AND DIPLOMA IN APPLIED SCIENCE BT 16/10/09