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Author Question: When the phase diagram for a substance has a solid-liquid phase boundary line that has a negative ... (Read 193 times)

rachel9

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When the phase diagram for a substance has a solid-liquid phase boundary line that has a negative slope (leans to the left), the substance ________.
 
  A) can go from solid to liquid, within a small temperature range, via the application of pressure
  B) sublimes rather than melts under ordinary conditions
  C) cannot go from solid to liquid by application of pressure at any temperature
  D) cannot be liquefied above its triple point
  E) melts rather than sublimes under ordinary conditions

Question 2

What is the solubility (in M) of PbCl2 in a 0.15 M solution of HCl? The Ksp of PbCl2 is 1.6  10-5.
 
  A) 2.0  10-3
  B) 1.1  10-4
  C) 1.8  10-4
  D) 7.1  10-4
  E) 1.6  10-5


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katara

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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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