temperature changes rp Flashcards
1
Q
what is step 1
A
use a measuring cylinder to measure 30cm cubed of dilute hydrochloric acid and transfer to a polystyrene cup.
2
Q
what is step 2
A
stand the polystyrene cup in a beaker and measure the temperature with a thermometer
3
Q
what is step 3
A
use a measuring cylinder to measure 5cm cubed of sodium hydroxide solution and transfer to the polystyrene cup. now pace a plastic lid with a hole in on top snd place a thermometer through the hole.
4
Q
what is step 4
A
gently stir the solution with the thermometer and when the temperature stops rising record the max temperature reached down
5
Q
what is step 5
A
repeat this experiment but increase the sodium hydroxide in 5cm cubed and plot on a graph