Resources tagged with: Chemistry

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Broad Topics > Cross-curricular Contexts > Chemistry

Chemnrich

Age 14 to 18
Challenge Level

chemNRICH is the area of the stemNRICH site devoted to the mathematics underlying the study of chemistry, designed to help develop the mathematics required to get the most from your study. . . .

The Power of Dimensional Analysis

Age 14 to 18

An introduction to a useful tool to check the validity of an equation.

Core Scientific Mathematics

Age 14 to 18
Challenge Level

This is the area of the advanced stemNRICH site devoted to the core applied mathematics underlying the sciences.

Constantly Changing

Age 14 to 16
Challenge Level

Many physical constants are only known to a certain accuracy. Explore the numerical error bounds in the mass of water and its constituents.

Approximately Certain

Age 14 to 18
Challenge Level

Estimate these curious quantities sufficiently accurately that you can rank them in order of size

Reaction Types

Age 16 to 18
Challenge Level

Explore the rates of growth of the sorts of simple polynomials often used in mathematical modelling.

Maths in the Undergraduate Physical Sciences

Age 16 to 18

An article about the kind of maths a first year undergraduate in physics, engineering and other physical sciences courses might encounter. The aim is to highlight the link between particular maths. . . .

Gassy Information

Age 16 to 18
Challenge Level

Do each of these scenarios allow you fully to deduce the required facts about the reactants?

The Amazing Properties of Water

Age 14 to 18
Challenge Level

Find out why water is one of the most amazing compounds in the universe and why it is essential for life. - UNDER DEVELOPMENT

Big and Small Numbers in Chemistry

Age 14 to 16
Challenge Level

Get some practice using big and small numbers in chemistry.

The Real Hydrogen Atom

Age 16 to 18
Challenge Level

Dip your toe into the world of quantum mechanics by looking at the Schrodinger equation for hydrogen atoms

Mathematical Issues for Chemists

Age 16 to 18

A brief outline of the mathematical issues faced by chemistry students.

Reaction Rates

Age 16 to 18
Challenge Level

Explore the possibilities for reaction rates versus concentrations with this non-linear differential equation

Smoke and Daggers

Age 16 to 18
Challenge Level

We all know that smoking poses a long term health risk and has the potential to cause cancer. But what actually happens when you light up a cigarette, place it to your mouth, take a tidal breath. . . .

What Salt?

Age 16 to 18
Challenge Level

Can you deduce why common salt isn't NaCl_2?

Clear as Crystal

Age 16 to 18
Challenge Level

Unearth the beautiful mathematics of symmetry whilst investigating the properties of crystal lattices

Inspect Your Gadgets

Age 16 to 18

Read about the mathematics behind the measuring devices used in quantitative chemistry

Diamonds Aren't Forever

Age 16 to 18
Challenge Level

Ever wondered what it would be like to vaporise a diamond? Find out inside...

Big and Small Numbers in Physics

Age 14 to 16
Challenge Level

Work out the numerical values for these physical quantities.

Catalyse That!

Age 16 to 18
Challenge Level

Can you work out how to produce the right amount of chemical in a temperature-dependent reaction?

Lennard Jones Potential

Age 16 to 18
Challenge Level

Investigate why the Lennard-Jones potential gives a good approximate explanation for the behaviour of atoms at close ranges

Blood Buffers

Age 16 to 18
Challenge Level

Investigate the mathematics behind blood buffers and derive the form of a titration curve.

Mixing Ph

Age 16 to 18
Challenge Level

Use the logarithm to work out these pH values

Ph Temperature

Age 16 to 18
Challenge Level

At what temperature is the pH of water exactly 7?

Extreme Dissociation

Age 16 to 18
Challenge Level

In this question we push the pH formula to its theoretical limits.

Real-life Equations

Age 16 to 18
Challenge Level

Here are several equations from real life. Can you work out which measurements are possible from each equation?

Ideal Axes

Age 16 to 18
Challenge Level

Explore how can changing the axes for a plot of an equation can lead to different shaped graphs emerging

Spectrometry Detective

Age 16 to 18
Challenge Level

From the atomic masses recorded in a mass spectrometry analysis can you deduce the possible form of these compounds?

Dilution Series Calculator

Age 14 to 16
Challenge Level

Which dilutions can you make using 10ml pipettes and 100ml measuring cylinders?

Exact Dilutions

Age 14 to 16
Challenge Level

Which exact dilution ratios can you make using only 2 dilutions?

Mixed up Mixture

Age 14 to 16
Challenge Level

Can you fill in the mixed up numbers in this dilution calculation?

CSI: Chemical Scene Investigation

Age 16 to 18
Challenge Level

There has been a murder on the Stevenson estate. Use your analytical chemistry skills to assess the crime scene and identify the cause of death...

Bent Out of Shape

Age 14 to 18
Challenge Level

An introduction to bond angle geometry.

Cobalt Decay

Age 16 to 18
Challenge Level

Investigate the effects of the half-lifes of the isotopes of cobalt on the mass of a mystery lump of the element.

Striking Gold

Age 16 to 18
Challenge Level

Investigate some of the issues raised by Geiger and Marsden's famous scattering experiment in which they fired alpha particles at a sheet of gold.

Stats Statements

Age 16 to 18
Challenge Level

Are these statistical statements sometimes, always or never true? Or it is impossible to say?

Stereoisomers

Age 16 to 18
Challenge Level

Put your visualisation skills to the test by seeing which of these molecules can be rotated onto each other.

Bond Angles

Age 16 to 18
Challenge Level

Think about the bond angles occurring in a simple tetrahedral molecule and ammonia.

Reaction Rates!

Age 16 to 18

Fancy learning a bit more about rates of reaction, but don't know where to look? Come inside and find out more...

Eudiometry

Age 16 to 18
Challenge Level

When a mixture of gases burn, will the volume change?

A Question of Scale

Age 14 to 16
Challenge Level

Use your skill and knowledge to place various scientific lengths in order of size. Can you judge the length of objects with sizes ranging from 1 Angstrom to 1 million km with no wrong attempts?

Molecular Sequencer

Age 14 to 18
Challenge Level

Investigate the molecular masses in this sequence of molecules and deduce which molecule has been analysed in the mass spectrometer.

Heavy Hydrocarbons

Age 14 to 18
Challenge Level

Explore the distribution of molecular masses for various hydrocarbons

Coordinated Crystals

Age 16 to 18
Challenge Level

Explore the lattice and vector structure of this crystal.

Reductant Ratios

Age 16 to 18
Challenge Level

What does the empirical formula of this mixture of iron oxides tell you about its consituents?

Investigating the Dilution Series

Age 14 to 16
Challenge Level

Which dilutions can you make using only 10ml pipettes?