Reaction of Hydrochloric Acid and Marble Chips Flashcards
1
Q
What is this experiment often used to demonstrate?
A
The effect of breaking the solid up into s,all bits
2
Q
What do you do first?
A
Measure the volume of a gas evolved with a gas syringe and take readings at regular intervals
3
Q
What is the independent variable for the graph (x)?
A
Time
4
Q
What is the dependent variable for the graph (y)?
A
Volume
5
Q
What do you keep the same and change when you repeat it?
A
- exactly same volume of acid and mass of marble chips
- marble more crunched up
6
Q
What do you repeat with?
A
Same mass of powdered marble instead of marble chips
7
Q
Check diagram page 56
A
Ok
