Students are investigating exothermic and endothermic reactions - Edexcel - GCSE Chemistry Combined Science - Question 1 - 2018 - Paper 1
Question 1
Students are investigating exothermic and endothermic reactions.
They are finding the temperature change in 50 cm³ water when a solid dissolves in it.
The apparatus ... show full transcript
Worked Solution & Example Answer:Students are investigating exothermic and endothermic reactions - Edexcel - GCSE Chemistry Combined Science - Question 1 - 2018 - Paper 1
Step 1
R
96%
114 rated
Only available for registered users.
Sign up now to view full answer, or log in if you already have an account!
Answer
Measure 50 cm³ water using a beaker.
Step 2
P
99%
104 rated
Only available for registered users.
Sign up now to view full answer, or log in if you already have an account!
Answer
Pour the 50 cm³ water into the polystyrene cup.
Step 3
S
96%
101 rated
Only available for registered users.
Sign up now to view full answer, or log in if you already have an account!
Answer
Add the solid to the water and stir.
Step 4
Q
98%
120 rated
Only available for registered users.
Sign up now to view full answer, or log in if you already have an account!
Answer
Measure the initial temperature of the water.
Step 5
T
97%
117 rated
Only available for registered users.
Sign up now to view full answer, or log in if you already have an account!
Answer
Measure the final temperature of the solution when all the solid has dissolved.
