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Author Question: Which of the following reactions will occur spontaneously as written? A) Sn4+ (aq) + Fe3+ (aq) ... (Read 127 times)

drink

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Which of the following reactions will occur spontaneously as written?
 
  A) Sn4+ (aq) + Fe3+ (aq)  Sn2+ (aq) + Fe2+ (aq)
  B) 3Fe (s) + 2Cr3+ (aq)  2Cr (s) + 3Fe2+ (aq)
  C) Sn4+ (aq) + Fe2+ (aq)  Sn2+ (aq) + Fe (s)
  D) 3Sn4+ (aq) + 2Cr (s)  2Cr3+ (aq) + 3Sn2+ (aq)
  E) 3Fe2+ (aq)  Fe (s) + 2Fe3+ (aq)

Question 2

When 0.250 mol of CH4(g) reacts with excess Cl2(g) at constant pressure according to the chemical equation shown below, 177 kJ of heat are released. Calculate the value of H for this reaction, as written.
 
  2 CH4(g) + 3 Cl2(g)  2 CHCl3(l) + 3 H2(g) H = ? A) -1420 kJ
  B) -708 kJ
  C) +708 kJ
  D) +1420 kJ

Question 3

Glass is ________ whereas quartz is ________.
 
  A) hard, soft
  B) crystalline, amorphous
  C) amorphous, crystalline
  D) pure SiO2, a mixture of SiO2 and carbonates
  E) breakable, not breakable


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irishcancer18

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drink

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


bigsis44

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Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

 

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