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Author Question: Which of the following aqueous solutions has the highest OH-? A) a solution with a pH of 3.0 B) ... (Read 44 times)

sc00by25

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Which of the following aqueous solutions has the highest OH-?
 
  A) a solution with a pH of 3.0
  B) a 1  10-4 M solution of HNO3
  C) a solution with a pOH of 12.0
  D) pure water
  E) a 1  10-3 M solution of NH4Cl

Question 2

How much heat is absorbed when 30.00 g of C(s) reacts in the presence of excess SO2(g) to produce CS2(l) and CO(g) according to the following chemical equation? 5 C(s) + 2 SO2(g)  CS2(l) + 4 CO(g) H = +239.9 kJ
 
  A) 119.9 kJ
  B) 239.9 kJ
  C) 599.2 kJ
  D) 1439 kJ

Question 3

Which of the following reactions will not occur as written?
 
  A) Zn (s) + Pb(NO3)2 (aq)  Pb (s) + Zn(NO3)2 (aq)
  B) Mg (s) + Ca(OH)2 (aq)  Ca (s) + Mg(OH)2 (aq)
  C) Sn (s) + 2AgNO3 (aq)  2Ag (s) + Sn(NO3)2 (aq)
  D) Co (s) + 2AgCl (aq)  2Ag (s) + CoCl2 (aq)
  E) Co (s) + 2HI (aq)  H2 (g) + CoI2 (aq)

Question 4

________ solids consist of atoms or molecules held together by dipole-dipole forces, London dispersion forces, and/or hydrogen bonds.
 
  A) Ionic
  B) Molecular
  C) Metallic
  D) Covalent-network
  E) Metallic and covalent-network


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annierak

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sc00by25

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Reply 2 on: Aug 27, 2018
Excellent


rachel

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Reply 3 on: Yesterday
:D TYSM

 

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