when 20ml of a strong acid is mixed to 20ml of strong alkali, the temp. rises by 10degree.
what wiould be the temp. rise if 200ml of each liquid are mixed??
1)5degree
2)10degree
3)0.5
4)0.10degree

Dear student
Please find the solution to the asked query:

Heat evolved in first case =40×5 =200calHeat evolved in second case = 10 times because the amounts taken are 10 times=10×200 =2000calthus 2000cal =400×t thus t  =5oC

Hence option 1 is the correct answer.

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