Chemistry, 15.04.2020 00:12 mariamsakayanthebest
A bomb calorimeter has a heat capacity of 783 J/oC and contains 254 g of water whose specific heat capacity is 4.184 J/goC. How much heat, in kilojoules, is evolved or absorbed by a reaction when the temperature goes from 23.73 oC to 26.01 oC? cH2O = 4.184 J/g. K
Answers: 3
![q=[q_1+q_2]](/tpl/images/0600/1829/341bc.png)
![q=[c_1\times \Delta T+m_2\times c_2\times \Delta T]](/tpl/images/0600/1829/1d50b.png)
= heat absorbed by the calorimeter
= heat absorbed by the water
= specific heat of calorimeter = 
= specific heat of water = 
= mass of water = 254 g
= change in temperature = 
![q=[(783J/^oC\times -2.28^oC)+(254g\times 4.184J/g^oC\times -2.28^oC)]](/tpl/images/0600/1829/13e88.png)
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A bomb calorimeter has a heat capacity of 783 J/oC and contains 254 g of water whose specific heat c...
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