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Author Question: When 50.0 mL of 0.400 mol L-1 Ca(NO3)2 is added to 50.0 mL of 0.800 mol L-1 NaF, CaF2 precipitates, ... (Read 149 times)

APUS57

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When 50.0 mL of 0.400 mol L-1 Ca(NO3)2 is added to 50.0 mL of 0.800 mol L-1 NaF, CaF2 precipitates, as shown in the net ionic equation below. The initial temperature of both solutions is 24.0 °C. Assuming that the reaction goes to completion, and that the resulting solution has a mass of 100.00 g and a specific heat of 4.18 J g-1°C-1, calculate the final temperature of the solution.

      Ca2+(aq) + 2F-(aq) → CaF2(s)  

Δ

rH = -11.5 kJ

◦ 24.55 °C
◦ 25.10 °C
◦ 25.65 °C
◦ 23.45 °C


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Marked as best answer by APUS57 on Nov 18, 2019

kingdude89

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APUS57

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Reply 2 on: Nov 18, 2019
:D TYSM


apple

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Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

 

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