All Problem solving articles – Page 4

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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.
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Catalase

From a text, solve four problems related to the enzyme catalase.
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QuantiCorp R&D: new products

In association with The National HE STEM Programme

This C/PBL resource involves an investigation into catalysis and conducting polymers for the production of biosensors. Students are challenged to develop a biosensor based on a conducting polymer in the context of an R D department in a high-tech company.
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Hwuche-Hwuche bark

Communication skills are an essential part of all university degree courses. In general, communication skills are developed throughout undergraduate courses via a range of activities and many departments already have substantial parts of their course aimed at transferable skills. The book ‘Communicating Chemistry’ contains a number of exercises that ...
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Commercial Skills: Finance

This module asks teams of students to assess the financial impacts of two projects with a chemical background.
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Commercial Skills: Feasibility

In association with The National HE STEM Programme

In this module students are asked to summarise and critique two out of the five chemistry-based projects, based on their previous work, and present their preferred option to a “business” audience.
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Commercial Skills: Project Management

This module asks teams of students to identify the route to market, and produce a ‘project plan’, for a number of potential projects with a chemical background.
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Commercial Skills: Market Research

In association with The National HE STEM Programme

This module asks teams of students to estimate the market value of a number of potential projects with a chemical background.
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Commercial Skills: Innovation

In association with The National HE STEM Programme

This module asks teams of students to evaluate a number of potential projects, with a chemical background, and identify why they might be of potential value.
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Commercial Skills: Introduction & Overview

This is an introduction and overview to five Commerical Skills Modules for Chemists. It includes a briefing for students, presentation video, an overview guide and presentation for tutors and market research on employer needs.
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Chemistry Olympiad Support Booklet

A valuable teaching resource for schools to stretch and challenge gifted students