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Author Question: Which metal is not required to have its charge specified in the names of ionic compounds it forms? ... (Read 45 times)

madam-professor

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on: Aug 27, 2018
Which metal is not required to have its charge specified in the names of ionic compounds it forms?
 
  A) Cr
  B) Ni
  C) Zr
  D) Na
  E) Mo

Question 2

What is the coefficient of the dichromate ion when the following equation is balanced? Fe2+ + Cr2O72-  Fe3+ + Cr3+ (acidic solution)
 
  A) 1
  B) 2
  C) 3
  D) 5
  E) 6

Question 3

How does lime reduce sulfur dioxide emissions from the burning of coal?
 
  A) It reacts with the sulfur dioxide to form calcium sulfite solid that can be precipitated.
  B) It reduces the sulfur dioxide to elemental sulfur that is harmless to the environment.
  C) It oxidizes the sulfur dioxide to tetrathionate that is highly water soluble so it can be scrubbed from the emission gases.
  D) It catalyzes the conversion of sulfur dioxide to sulfur trioxide which is much less volatile and can be removed by condensation.
  E) It converts SO2 to solid, elemental sulfur.
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tranoy

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Reply #1 on: Aug 27, 2018
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
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madam-professor

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Reply #2 on: Aug 27, 2018
Thanks


tranoy

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Reply #3 on: Aug 27, 2018
Welcome :)


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