1
Q
what do catalysts do
A
speed up reactions
2
Q
what happens to a catalyst
A
it doesn’t get used up or changed
3
Q
why do catalysts reduce the cost of industrial reactions
A
-saves money because the reaction doesn’t take as long
-it works at a lower temperature
HOWEVER
- can be poisoned
-expensive to buy
gcse additional chemistry
flashcards
Decks in class (23)
# Cards
-
atoms, compounds and isotopes4
-
ionic bonding7
-
ions and formulas1
-
electronic structure of ions1
-
covalent bonding2
-
covalent substances8
-
metallic structures2
-
new materials6
-
polymers6
-
relative formula mass5
-
mass calculations3
-
percentage yield and reversible reactions1
-
rate of reaction1
-
measuring the rates of reactions5
-
collision theory7
-
catalysts3
-
energy transfer in reactions6
-
acids and alkalis7
-
acids reacting with metals2
-
oxides, hydroxides and ammonia2
-
making salts1
-
electrolysis6
-
extraction of aliminuim and electroplating2
