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Adding 5.44 G Of NH4NO3 Solid To 150.0 G Of Water In A Coffee-cup Calorimeter Resulted In A Decrease In Temperature From 18.6 OC To 16.2 OC. Calculate The Measured Q For Dissolving NH4NO3 In Water. Assume The Final Solution Has A Specific Capacity Of 4.2 J/g×K. - Math Discussion

Adding 5.44 g of NH4NO3 solid to 150.0 g of water in a coffee-cup calorimeter resulted in a decrease in temperature from 18.6 oC to 16.2 oC. Calculate the measured q for dissolving NH4NO3 in water. Assume the final solution has a specific capacity of 4.2 J/g×K.