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Author Question: How many g in 10.0 mEq of Mg2+? A) 0.122 g B) 24.3 g C) 12.3 g D) 0.486 g E) 0.243 ... (Read 47 times)

madam-professor

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How many g in 10.0 mEq of Mg2+?
 
  A) 0.122 g
  B) 24.3 g
  C) 12.3 g
  D) 0.486 g
  E) 0.243 g

Question 2

Use the Hf and Hrxn information provided to calculate Hf for SO3(g):
 
  Hf (kJ/mol) 2 SO2(g) + O2(g)  2 SO3(g) Hrxn = -198 kJ
 
  SO2(g) -297
 
  A) -792 kJ/mol
  B) -248 kJ/mol
  C) -495 kJ/mol
  D) -578 kJ/mol
  E) -396 kJ/mol

Question 3

Which characteristics correctly describe an electron?
 
  A) approximate mass 1 amu; charge +1; inside nucleus
  B) approximate mass 1 amu; charge -1; inside nucleus
  C) approximate mass 1 amu; charge 0; inside nucleus
  D) approximate mass 5  10-4 amu; charge 0; inside nucleus
  E) approximate mass 5  10-4 amu; charge -1; outside nucleus

Question 4

Germanium has four valence electrons.
 
  Indicate whether the statement is true or false



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yahahah24021

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Answer to Question 1

A

Answer to Question 2

E

Answer to Question 3

E

Answer to Question 4

TRUE




madam-professor

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  • Posts: 584
Reply 2 on: Aug 27, 2018
Thanks for the timely response, appreciate it


LVPMS

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  • Posts: 323
Reply 3 on: Yesterday
Wow, this really help

 

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