Author Question: The value of G at 25 C for the decomposition of calcium chloride into its constituent elements, ... (Read 76 times)

mrsjacobs44

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

Question 2

Which equation correctly represents the first ionization of phosphorous?
 
  A) P(g)  P+(g) + e-
  B) P+(g)  P2+(g) + e-
  C) P(g)  P-(g) + e-
  D) P+(g) + e-  P(g)
  E) P2+(g)  P3+(g) + e-

Question 3

A 25.0 mL sample of 0.723 M HClO4 is titrated with a 0.273 M KOH solution. The H3O+ concentration after the addition of 0.00 mL of KOH is ________ M.
 
  A) 0.0181
  B) 0.430
  C) 0.723
  D) 0.273
  E) none of the above

Question 4

An acquaintance has a few alcoholic drinks after taking some barbiturates that have already made him appear drunk. Your acquaintance will most likely
 
  A) sober up at once.
  B) stay drunk for days.
  C) have a hangover in the morning.
  D) die.



Mollythedog

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Answer to Question 1

D

Answer to Question 2

A

Answer to Question 3

C

Answer to Question 4

D



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