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

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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

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3
Q

2nd ?

A

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

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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.

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5
Q

4th

A

plot a graph of temp across time and record results

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6
Q

what can sodium hydroxide do to your skin?

A

can cause eye damage and skin burns

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