Determination of an enthalpy change of reaction Flashcards Preview

CHEM- component 1 practicals > Determination of an enthalpy change of reaction > Flashcards

Flashcards in Determination of an enthalpy change of reaction Deck (6)
Loading flashcards...
1

what are cooling curve corrections used for?

to correct the experiment, that measures the enthalpy change of reaction, for heat loss

2

first step?

pipette 25.0 cm^3 of 1.00 moldm^-3 CuSO4 into a polystyrene cup and weigh out an excess of zinc powder

3

2nd ?

start a stop-clock and take the temp of the solution every 30 s until the temp stays constant

4

3rd

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

4th

plot a graph of temp across time and record results

6

what can sodium hydroxide do to your skin?

can cause eye damage and skin burns