C3 Keywords

?
  • Created by: Chloe
  • Created on: 14-06-16 11:18
Acid
pH less than 7 and releases hydrogen ions in solution
1 of 45
Activated carbon
Charcoal that has been broken up to increase the surface area to absorb substances
2 of 45
Activation Energy
Minimum amount of energy required for a reaction to occur
3 of 45
Alcohol
Organic compound from a homologous series with the functional group -OH
4 of 45
Alkali
A base that dissolves in water to release hydroxide ions and have a pH of greater than 7
5 of 45
Base
An insoluble alkali. Reacts with acids to neutralise
6 of 45
Bond Energy
The amount of energy needed to break a chemical bond
7 of 45
Burette
A long thin tube used in a titration experiment
8 of 45
Calorimeter
Apparatus used for measuring the energy change during a reaction
9 of 45
Calorimetry
Measuring energy change in a reaction
10 of 45
Carboxylic Acid
Organic compound from the homologous series with the functional group -COOH
11 of 45
Catalyst
A chemical compound that speeds up a reaction without being used up itself by lowering the activation energy
12 of 45
Closed System
Sealed system where no matter can leave or enter
13 of 45
Concentrated
Containing a large amount of solute
14 of 45
Confirmatory Test
A chemical test carried out to check the conclusion from the results of another test
15 of 45
Displayed Formula
A diagram showing the position of atoms in a molecule and the bonds between them
16 of 45
Endothermic
Products have more energy than reactants. Energy is taken in
17 of 45
Equilibrium
The point at which the rate of the forward and backwards reactions are the same, meaning there will always be the same number of products and reactants
18 of 45
Ester
An organic compound that contains the functional group -COO-
19 of 45
Exothermic
Reactants have more energy than products. Energy is given out to the surroundings. More energy is released to break bonds than put in
20 of 45
Flame Test
Used to test for metal ions
21 of 45
Fluoridation
Addition of fluoride ions to drinking water to increase peoples fluoride intake to strengthen teeth
22 of 45
Functional Group
An atom or group of atoms responsible for most of the chemical reactions of a compound
23 of 45
Hard water
Water containing calcium or magnesium ions
24 of 45
Homologous Series
Family of compounds with the same general formula and similar chemical properties
25 of 45
Hydrogen Ion
Released when an acid dissolves in water
26 of 45
Hydroxide Ion
Released when an alkali dissolves in water
27 of 45
Ion-exchange Column
Packed with sodium or hydrogen ions which swap with the calcium or magnesium ions in the hard water to soften water
28 of 45
Molecular Formula
Chemical formula showing the different elements and the number of atoms of each element in a molecule
29 of 45
Open System
Matter can escape and enter
30 of 45
Organic Compounds
Compounds containing carbon
31 of 45
Oxidising Agent
A chemical compound that will oxidise another compound
32 of 45
Permanent Hardness
Hardness in water that cannot be removed by boiling as it also contains sulfate
33 of 45
Pipette
Glass tube for precisely measuring and dispensing liquid
34 of 45
Reversible Reaction
Reactants make products, products make reactants
35 of 45
Soft Water
Water containing no dissolved salts. Readily forms a lather with soap
36 of 45
Specific Heat Capacity
Amount of temperature required to raise the temperature of 1g of a substance by 1 degree
37 of 45
Strong Acid
Produces a high concentration of hydrogen ions when dissolved in water
38 of 45
Strong Alkali
Produces a high concentration of hydroxide ions when dissolved in water
39 of 45
Temporary Hardness
Hardness which can be removed by boiling as it thermally decomposes
40 of 45
Titration
Method used to find volumes which need tone added to neutralise a substance
41 of 45
Titre
The volume of solution needed to react exactly with another solution in a titration
42 of 45
Volatile
Evaporates readily
43 of 45
Weak Acid
Produces a low concentration of hydrogen ions when dissolved in water
44 of 45
Weak Alkali
Produces a low concentration of hydroxide ions when dissolved in water
45 of 45

Other cards in this set

Card 2

Front

Charcoal that has been broken up to increase the surface area to absorb substances

Back

Activated carbon

Card 3

Front

Minimum amount of energy required for a reaction to occur

Back

Preview of the back of card 3

Card 4

Front

Organic compound from a homologous series with the functional group -OH

Back

Preview of the back of card 4

Card 5

Front

A base that dissolves in water to release hydroxide ions and have a pH of greater than 7

Back

Preview of the back of card 5
View more cards

Comments

No comments have yet been made

Similar Chemistry resources:

See all Chemistry resources »See all C3 resources »