Author Question: A 100.0 mL sample of 0.300 mol L-1 NaOH is mixed with a 100.0 mL sample of 0.300 mol L-1 HNO3 in a ... (Read 126 times)

washai · **on:** Nov 18, 2019

A 100.0 mL sample of 0.300 mol L-1 NaOH is mixed with a 100.0 mL sample of 0.300 mol L-1 HNO3 in a coffee cup calorimeter. If both solutions were initially at 35.00 °C and the temperature of the resulting solution was recorded as 37.00 °C, determine the D_rH° (in units of kJ mol^-1) for the neutralization reaction between aqueous NaOH and HNO3 . Assume 1) that no heat is lost to the calorimeter or the surroundings, and 2) that the density and the heat capacity of the resulting solution are the same as water.
◦ -34.4 kJ mol-1
◦ -55.7 kJ mol-1
◦ -169 kJ mol-1
◦ -16.7 kJ mol-1
◦ -27.9 kJ mol-1

sailorcrescent · **Reply #1 on:** Nov 18, 2019

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