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Author Question: When 1.50 g of Ba(s) is added to 100.00 g of water in a container open to the atmosphere, the ... (Read 44 times)

mrsjacobs44

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on: Aug 27, 2018
When 1.50 g of Ba(s) is added to 100.00 g of water in a container open to the atmosphere, the reaction shown below occurs and the temperature of the resulting solution rises from 22.00C to 33.10C.
 
  If the specific heat of the solution is 4.18 J/(g  C), calculate H for the reaction, as written.
 
   Ba(s) + 2 H2O(l)  Ba(OH)2(aq) + H2(g) H = ?
 
  A) -431 kJ
  B) -3.14 kJ
  C) +3.14 kJ
  D) +431 kJ

Question 2

What is the concentration (M) of sodium ions in 4.57 L of a .398 M Na3P solution?
 
  What will be an ideal response?


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olivia_paige29

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Reply #1 on: Aug 27, 2018
Answer to Question 1

A

Answer to Question 2

1.19


mrsjacobs44

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Reply 2 on: Aug 27, 2018
:D TYSM

covalentbond

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Reply 3 on: Yesterday
Great answer, keep it coming :)

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