Chemistry (14-18) eBook

This eBook, supplied on CD-ROM contains:

• The full eBook (PDF) of all the experemnet worksheets and teachers notes.
• Every worksheet and teacher note as a seperate PDF.

55 datalogging experiments for Chemistry covering a wide range of ability levels and curriculum requirements for this age group.
 

Setup files to match these experiments are included in the Free EasySense software.

The activites cover these areas :

• Energy from fuels
• Electrolysis
• Endothermic and exothermic reactions
• Rates of reaction
• pH changes
• Changes of state
• Gas laws
• Titrations
• Finding concentrations
• Measuring viscosity of liquids and effusions 
   

See the full list in More Info
 

Chemistry with EasySense (Age 14-18) eBook
 

The range of datalogging experiments are:

• Burning a fossil fuel
• Comparing fuels
• Good and bad conductors
• Electric lemons
• Reduction potentials – micro-Voltaic Cells
• Faraday's laws of electrolysis
• Potentiometric study of a mixture of halide ions
• A displacement reaction
• Hot and cold reactions
• Measurement of enthalpy changes: Calorimetry
• Measurement of enthalpy changes: Endothermic reactions
• Hess's law: Sodium hydroxide and hydrochloric acid
• Heat of combustion: Magnesium and Oxygen
• Heat of solution – adding salt to water
• Measuring pH values
• Measuring pH values of everyday substances
• What is the pH value of water?
• Comparing the effectiveness of antacids
• What happens when an alkali is mixed with an acid?
• A chemical reaction using 2 chemicals round in the home
• Buffer solutions
• Change of state from a solid to a liquid
• Change of state from a liquid to a gas
• Heat of fusion of ice
• Hydrogen bonding – evaporation
• Heat of vaporisation of a liquid
• Boyle's law
• Temperature volume relationship in a gas (Charles' law, Gay-Lussacs law)
• Pressure temperature relationship of a gas. Absolute zero
• Dalton's law of partial pressures
• Molar mass of a volatile liquid
• Determination of R, the gas constant
• Determination of n for a chemical reaction
• Acid alkali titration using a burette
• Acid base titrations: Titration of sodium hydroxide with hydrochloric acid
• Acid base titration: Titration of sodium carbonate with hydrochloric acid
• Acid base titrations: Polyprotic acids, determination of the molar concentration of phosphoric acid in cola
• Acid base titration: Titration of Alanine with sodium hydroxide
• Thermometric titration
• Conductometric titration: Titration of sodium hydroxide with hydrochloric acid, using a burette
• Conductometric titration: Titration of barium hydroxide with hydrochloric acid
• Rate of reaction: Marble chips and hydrochloric acid
• Rate of reaction: Which catalyst is best?
• Light transmittance through a reaction mixture of hydrochloric acid and sodium thiosulphate
• Autocatalytic oxidation of ethanedioate by manganate (VII)
• Finding the concentration of a solution using Beer Lambert's law
• Finding the concentration of chlorine in water using Beer Lambert's law
• Determination of the manganese content of a paper clip
• Stoichiometry of the copper – EDTA complex
• Chemical equilibrium: Calculating Kc
• Colorimetric determination of glucose concentration
• Comparing and measuring the viscosity of liquids
• A demonstration of Grahams law of effusion

The sensors used include:

• Temperature (3100)
• pH (3125PK)
• Conductivity (3135PK)
• Oxygen (3130PK)
• Humidity (3145)
• Current (3165 or 3166)
• Voltage (3162)
• Drop and Bubble Counter (3266)
• Absolute Gas pressure (3142)
• Colorimeter (3275)
• Rotary Motion (3280) with linear rack accessory (3288)