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
Math Solution
(a) In a healthy eye, aqueous humor is formed in the ciliary process and drains through the canal of ...
Delta Method Solution
With solution
With solution
A solution of CaCl2 with concentration of 5.5 M was diluted 10 times, 25 times and 3 times. ...