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pstrezze1840
30.11.2019 •
Chemistry
The flavor of anise is due to anethole, a compound with the molecular forumal c10h12o. combustion of one mole of anethole produces 5541 kj of thermal energy. if 0.950 g of anethole is combusted in a bomb calorimeter whose heat capacity (ccalorimeter) is 7.854 kj/°c, what is the change in temperature of the calorimeter?
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Ответ:
Change in temperature of calorimeter is![4.52^{0}\textrm{C}](/tpl/images/0396/9769/a8f35.png)
Explanation:
Molar mass of anethole = 148.2 g/mol
So, 0.950 g of anethole =
of anethole = 0.00641 moles of anethole
1 mol of anethole releases 5541 kJ of heat upon combustion
So, 0.00641 moles of anethole release
of heat or 35.52 kJ of heat
7.854 kJ of heat increases
temperature of calorimeter.
So, 35.52 kJ of heat increases
or
temperature of calorimeter
So, change in temperature of calorimeter is![4.52^{0}\textrm{C}](/tpl/images/0396/9769/a8f35.png)
Ответ:
They basically use them to summarize what happens in chemical reactions
Explanation:
hope this helps :)