Chemical Principles 8th. Edition by Steven S. Zumdahl and Donald J. DeCoste | 9781305581982 | 1305581989 | Holooly

Intro to Chemical Engineering

Chemical Principles

181 SOLVED PROBLEMS

Question: 11.3

Practicing Spontaneity Using the data from Table 11.1, predict whether 1 M HNO3 will dissolve gold metal to form a 1 M Au^3+ solution. ...

Verified Answer:

What are we trying to solve? We want to determine ...

Question: 11.2

Calculating ΔG° for a Cell Reaction Using the data in Table 11.1, calculate ΔG° for the reaction Cu^2+ (aq) + Fe (s) → Cu (s) + Fe^2+ (aq) Is this reaction spontaneous? ...

Verified Answer:

What are we trying to solve? We want to know if th...

Question: 4.6

Writing Equations for Reactions For each of the following reactions, write the molecular equation, the complete ionic equation, and the net ionic equation. a. Aqueous potassium chloride is added to aqueous silver nitrate to form a silver chloride precipitate plus aqueous potassium nitrate. ...

Verified Answer:

a. Molecular: KCl(aq) +

AgN O _{3}

...

Question: 4.5

Predicting Reaction Products Using the solubility rules in Table 4.1, predict what will happen when the following pairs of solutions are mixed. ...

Verified Answer:

a. KN

O_{3}

(aq) stands for an aque...

Question: 15.7

Reaction Mechanisms II The gas-phase reaction of chlorine with chloroform is described by the equation Cl2 (g) + CHCl3 (g) → HCl (g) + CCl4 (g) The rate law determined from experiment has a noninteger order: Rate = k[Cl2]^1/2 [CHCl3] A proposed mechanism for this reaction follows: Is this an ...

Verified Answer:

Two questions must be answered. First, does the me...

Question: 15.6

Reaction Mechanisms I The balanced equation for the reaction of gaseous nitrogen dioxide and fluorine is 2NO2(g) + F2(g) → 2NO2F(g) The experimentally determined rate law is Rate = k[NO2][F2] A suggested mechanism for this reaction is Is this an acceptable mechanism? That is, does it satisfy the ...

Verified Answer:

The first requirement for an acceptable mechanism ...

Question: 13.13

Prediction of Molecular Structure III Because the noble gases have filled s and p valence orbitals, they are not expected to be chemically reactive. In fact, for many years these elements were called inert gases because of this supposed inability to form any compounds. However, in the early 1960s ...

Verified Answer:

The traditional Lewis structure for Xe

F_{4...

Question: 4.4

Solutions of Known Concentration To analyze the alcohol content of a certain wine, a chemist needs 1.00 L of an aqueous 0.200 M K2Cr2O7 (potassium dichromate) solution. How much solid K2Cr2O7 must be weighed out to make this solution? ...

Verified Answer:

Where are we going? We are asked to determine the ...

Question: 13.14

Structures of Molecules with Multiple Bonds Predict the molecular structure of the sulfur dioxide molecule. Is this molecule expected to have a dipole moment? ...

Verified Answer:

First, we must determine the Lewis structure for t...

Question: 13.12

Prediction of Molecular Structure II When phosphorus reacts with excess chlorine gas, the compound phosphorus pentachloride (PCl5) is formed. In the gaseous and liquid states, this substance consists of PCl5 molecules, but in the solid state, it consists of a 1:1 mixture of PCl4^+ and PCl6^- ions. ...

Verified Answer:

In the traditional Lewis structure for PC

l...

Loading...