2333231
Beschreibung
Quiz von Rachel_ellen, aktualisiert more than 1 year ago
|
Erstellt von Rachel_ellen
vor mehr als 9 Jahre
|
|
Frage 1
Frage
What does the rate of reaction measure
Antworten
-
time it takes to make oxygen
-
amount of product made in a specific time
-
the product produced from a chemical reaction
Frage 2
Frage
What is the limiting reactant?
Antworten
-
the only reactor
-
the one that is all used up at the start
-
the one that is used by the end of the reation
Frage 3
Frage
In a reaction at low temperatures the particles move fast
Antworten
- True
- False
Frage 4
Frage
In a reaction at high temperatures the particles move fast
Antworten
- True
- False
Frage 5
Frage
What happens if there is a low concentration
Antworten
-
the particles collide more
-
the particles will be more spread out
-
the rate of reaction will be faster
Frage 6
Frage
What is the relative atomic mass of carbon?
Antworten
-
6
-
12
-
1
-
18
Frage 7
Frage
How do you work out percentage yield?
Antworten
-
actual yield - predicted yield
-
predicted yield x actual yield
-
actual yield / predicted yield x100
Frage 8
Frage
What is atom economy?
Antworten
-
a way of comparing the amount of product made to the amount produced
-
an industrial process
-
a way of measuring the number of atoms that are wasted in a chemical reaction
-
the rate a reaction happens
Frage 9
Frage
Which reaction releases energy?
Antworten
-
Exothermic
-
Endothermic
Frage 10
Frage
Which reaction causes a temperature drop?
Antworten
-
Exothermic
-
Endothermic
Frage 11
Frage
What can be made from batch processes
Antworten
-
Ammonia
-
Medicines
-
Sulfuric acid
Frage 12
Frage
Which one has a layered structure?
Antworten
-
Diamond
-
Buckminster fullerene
-
Graphite
Möchten Sie mit GoConqr kostenlos Ihre eigenen Quiz erstellen? eigenen Mehr erfahren.