Determination of an enthalpy change of reaction Flashcards
(6 cards)
1
Q
what are cooling curve corrections used for?
A
to correct the experiment, that measures the enthalpy change of reaction, for heat loss
2
Q
first step?
A
pipette 25.0 cm^3 of 1.00 moldm^-3 CuSO4 into a polystyrene cup and weigh out an excess of zinc powder
3
Q
2nd ?
A
start a stop-clock and take the temp of the solution every 30 s until the temp stays constant
4
Q
3rd
A
add the zn to the solution and stir the mixture. record the temp every 30 s until the temp has fallen for several minutes.
5
Q
4th
A
plot a graph of temp across time and record results
6
Q
what can sodium hydroxide do to your skin?
A
can cause eye damage and skin burns