All Problem solving articles – Page 6

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Chemistry Olympiad past papers

Download past papers from the UK Chemistry Olympiad, including questions and mark schemes with answers from 2003 onwards.
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Problem solving tutor

2018-04-04T08:30:00Z In association with The Wolfson Foundation

Use this online interactive tutorial to teach three different methods for solving problems in quantitative chemistry. Video: How to use the problem solving tutor
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Chemical misconceptions II: Scaffolding explanations

The materials comprise of two sets of questions requiring explanations - which may be used as a pre-test and post-test a worksheet.
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Designing an organic synthesis

View a summary of how to approach the synthesis of an organic compound, focussing on the construction of key bonds. Follow an example multistep synthesis using standard organic transformations, answering questions along the way. This page is suitable for students beginning organic chemistry. Designing an organic synthesis This page is ...
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SME videos: Dr. Matthew Tozer

This resource forms part of a collection of videos that aims to provide undergraduate students with insights into what it is like to work for a small or medium-sized enterprise (SME).In these videos Matthew Tozer explains what it is like to work for Peakdale Molecular. He gives us an indication ...
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Naproxen videos: Dr. Matthew Tozer

This resource forms part of a collection of videos that aims to provide undergraduate students with insights into what it is like to work for a small or medium-sized enterprise (SME).In these videos Matthew Tozer explains what it is like to work for Peakdale Molecular. He gives us an indication ...
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The life raft

Evaluate the advantages and disadvantages of a selection of resins and decide which one(s) would be best for producing pure water from sea water on a life raft.
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Six solutions

Devise experiments to label six numbered solutions correctly using chemicals and apparatus in the laboratory.
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Pheromones

Suggest some chemical and physical properties of a pheromone described and answer some problems related to it.
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Paint

Calculate the thickness of a paint film and estimate roughly its thickness in titanium atoms/ions.
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Hydrogen peroxide

Find the best catalyst for the decomposition of hydrogen peroxide from solutions provided.
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Three white solids

Devise experiments to label three white solids correctly by using chemicals and apparatus in the laboratory.
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Helping an industrial chemist

Devise a method for making a copper catalyst dispersed on an aluminium oxide support.
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Hair

Estimate the approximate rate of growth of human hair in ms⁻¹ and use this figure to estimate the number of amino acid molecules which are incorporated in a growing hair every second.
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What compound?

Identify a given solid; make a list of all of the compounds the solid could be, suggest as many ways as possible of identifying the solid and use this information to devise an analytical procedure; use this procedure to identify the solid.
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H⁺ ions in water

Estimate the number of H⁺(aq) ions in a single drop of: water; 1.0 mol dm⁻³ HCl; 1.0 mol dm⁻³ NaOH.
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What makes it go?

Carry out certain experiments in a given order. Then without doing any calculations, explain what the driving force of the reaction is in each case – ie qualitatively rather than quantitatively.
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Which set of ionic compounds?

Devise a procedure to identify four solids and then use this to carry out the identification.
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Find the pattern - metals

Consider data on the specific heat capacities for some metals and solve three problems related to those data.
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Find the pattern - alcohols

Consider data on the densities of six primary alcohols and solve four problems based on those data.