Other Chemistry Answers

If the rate law for a hypothetical reaction is r = k[A]^2[B]^1, what is the order of reaction with respect to A?

A sample weighing 4.52g containing KHP (MM=204.2 g/mol) required 28 ml of 0.15M NaOH solution for neutralization, calculate the mass percent of KHP in this sample

4. Solubility products for a series of iodides are:


AgI Ksp = 8.3 x 10-17

PbI2 Ksp = 7.1 x 10-9

BiI3 Ksp = 8.1 x 10-19


List these three compounds in order of decreasing (from highest to lowest) molar solubility in:

a. Water

b. 0.10 M NaI

Determine the Concentration of H+ , OH-, pH, and pOH of the following solutions:


1. 0.0100 M HCl

2. 0.0200 M HOCl [ HOCl(aq) + H2O(l) ⇄ H3O+(aq) + OCl-(aq); Ka = 3.0 x 10 -8]

2. The reaction of bromine gas with chlorine gas, shown here, has a Kc value 0f 7.20 at 200°C. If a close vessel was charged with the two reactants, each at initial concentration of 0.200 M, but with no initial concentration of BrCl, what would be the equilibrium concentration of BrCl?


Br2(g) + Cl2(g) ⇄ 2BrCl(g) Kc=7.20

Initial Concentration 0.200 0.200 0

Write the difference between electrolytic and galvanic cells.

Electrochemistry is a vast and interdisciplinary subject. Explain

Calculate the number of grams in the following

5. 1.0 liter of a 5.0 M solution of KOH.


6. 5.0 liters of a 0.8 M solution of H 2 SO 4

Calculate the number of liters of solution which can be made from each of the following


3. A 2.0 M solution using 80.0 grams of NaOH


4. A 6.0 M solution using 126 grams of HNO 3

Calculate the molarity (M) of the following solution

2. 8.28 grams of Ca(C 5 H 9 O 2 ) 2 in 414 mL of solution.