Required practical: measuring energy change: neutralisation
0.0(0)
Studied by 0 people
Call Kai
Learn
Practice Test
Spaced Repetition
Match
Flashcards
Knowt PlayCard Sorting
1/11
There's no tags or description
Looks like no tags are added yet.
Last updated 9:07 PM on 9/20/26
Name | Mastery | Learn | Test | Matching | Spaced | Call with Kai | Chat |
|---|
No analytics yet
Send a link to your students to track their progress
12 Terms
1
New cards
Why is the polystyrene cup placed in a beaker?
For insulation and support
2
New cards
How is the hydrochloric acid measured?
Using a measuring cylinder or pipette
3
New cards
How should the thermometer be positioned?
Clamped in place with the bulb immersed in the liquid
4
New cards
What temperature is measured before adding sodium hydroxide?
The initial temperature of the hydrochloric acid
5
New cards
How much sodium hydroxide is added each time?
5 cm³
6
New cards
What is done after adding the sodium hydroxide?
Stir the mixture and measure the temperature
7
New cards
How many times is sodium hydroxide added?
Repeated until 40 cm³ has been added
8
New cards
What happens to the temperature during the reaction?
It rises because the reaction is exothermic
9
New cards
Why does the temperature fall after all the acid has reacted?
Excess sodium hydroxide is added and energy is lost to the surroundings
10
New cards
What does the graph show?
Temperature against volume of sodium hydroxide added
11
New cards
What does the highest temperature on the graph represent?
The point where the acid and sodium hydroxide have completely reacted
12
New cards