#11 please ombustion experiments can take a considerable length of time. Click t

Question

#11 please

ombustion experiments can take a considerable length of time. Click the clock on the w ht Calorimeter: (1) the cup on t J) the screw cap, and (4) the bomb. Click the calorimeter li celerate to accelerate the laboratory time. k the bomb control panel and the plot window to bring them to the front. Click on the S ave data to the lab book. Allow the graph to proceed for 20-30 seconds to establish a b erature. Ignite and observe the graph. When the temperature has leveled off (up to 5 minute tory time), click Stop. A data link icon will appear in the lab book. Click the data he collected data. Record the temperature before and after ignition of the aspirin s ble. Data Table aspirin (CoH, O4 05 mass of sample (g) initial temperature (C) final temperature (C) SBS 23003 omplete balanced chemical equation for the combustion of aspirin.

Explanation / Answer

11.

Balanced Combustion equation of aspirin:

C9H8O4 + 9 O2 ---------> 9 CO2 +4 H2O

deltaHcomb = 9*deltaH0f(CO2) + 4*deltaH0f(H2O) - deltaH0f(C9H8O4) - 9*deltaH0f(O2)

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