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Author Question: The value of G at 25 C for the formation of calcium chloride from its constituent elements, Ca (s) + ... (Read 46 times)

jCorn1234

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on: Aug 27, 2018
The value of G at 25 C for the formation of calcium chloride from its constituent elements, Ca (s) + Cl2 (g)  CaCl2 (s) is ________ kJ/mol.
 
  A) -795.8
  B) +795.8
  C) +763.7
  D) +748.1
  E) -748.1

Question 2

A 25.0-mL sample of 0.150 M hypochlorous acid is titrated with a 0.150 M NaOH solution. What is the pH after 13.3 mL of base is added? The Ka of hypochlorous acid is 3.0  10-8.
 
  A) 7.25
  B) 1.34
  C) 4.43
  D) 7.58
  E) 7.46


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lgoldst9

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

E

Answer to Question 2

D


jCorn1234

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Reply 2 on: Aug 27, 2018
Excellent

chereeb

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Reply 3 on: Yesterday
:D TYSM

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