March 30, 2015

Homework Help: chemistry

Posted by tt on Wednesday, August 3, 2011 at 5:45pm.

1.If its molar solubility is designated by x, then which of the following expressions best represents the solubility product for the substance Ag2SO4?
a) x2 b) 27x4 c) 4x3 d) 108x5 e) 3x4

2. Consider the equilibrium, 4HCl(g) + O2(g) 2H2O(g) + 2Cl2(g).
The equilibrium law expression for the balanced chemical equation would be:
a) [HCl][O2] / [H2O][Cl2]
b) [H2O]2[Cl]2 / [HCl]4[O2]
c) 2[H2O][Cl2] / 4[HCl][O2]
d) [HCl]4[O2] / [H2O]2[Cl2]2
e) [H2O][Cl2] / [HCl][O2]

3. 64 grams of KOH crystals are placed in 150 mL of distilled water in a sealed container. After 2 days a few crystals are still visible. The condition this system is in is best described as which of the following?
a) still reacting with the water
b) at maximum enthalpy
c) saturated
d) at equilibrium
e) supersaturated

Answer this Question

First Name:
School Subject:

Related Questions

Chemistry - A 100 L reaction container is charged with 0.724 mol of NOBr, which ...
Chemistry - Tooth enamel is made up of hydroxyapatite, Ca_10(PO_4)_6(OH)_2 or ...
chemistry - calculate the molar solubility of barium fluoride in water at 25 ...
chemistry - Write balanced equations and solubility product expressions for the ...
Chemistry - The solubility of insoluble substances changes depending on the ...
Chemistry ! - The solubility of Mn(OH)2 is 3.04 x 10^-4 gram per 100 ml of ...
Chemistry(Please check) - What is molar solubility of Al(OH)3 at 25 degrees C ...
chem - The solubility product of nickel (II) hydroxide at 25C is 1.6 x 10-16. a...
chem - The solubility product of silver sulfate is 1.6* 10^-5. What is the molar...
AP Chemistry - The ionic substance T3U2 ionizes to form T2+ and U3− ions. ...