temp change practical Flashcards
1
Q
what is the independent variable of the temp change practical?
A
volume of sodium hydroxide
2
Q
what is the dependent variable of the temp change practical?
A
maximum temp reached
3
Q
what is the control variable of the temp change practical?
A
volume of hydrochloric acid
4
Q
how much dilute of hydrochloric acid do we transfer to a polystryne cup?
A
30cm^3
5
Q
how much sodium hydroxide do we transfer to a cup?
A
5cm^3, increase by 5 until reach 40cm^3