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
Solution (Polynomial Long Division)
Math Solution
Selected Colloid IV Solutions
Per capita consumption of power is high in the developed world and highest in the United States
Harmonic Series Solution
The molality of a C12H23O11 solution is 0.6 m. what is the freezing point of the solution C?