1. Consider the following thermochemical 2ZnS (s) + 302(g) → 2ZnO (s) + 2SO2(g) equation: AH° = -878.2 kJ (a) How much heat is released when 3.0 mol ZnS (s) reacts in excess oxygen? (b) How much heat is released when 2.3 x 10-² mol ZnS() reacts in excess oxygen? (c) What is the enthalpy change when 223.9 g ZnS (s) reacts in excess oxygen?

Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
icon
Related questions
Question
Reinforce your understanding of the stoichiometry of thermochemical
equations.
Answer the questions below in the spaces provided.
1. Consider the following thermochemical equation:
2ZnS (s) + 3O2(g) → 2ZnO (s) + 2SO2(g)
(a) How much heat is released when 3.0 mol ZnS (s) reacts in excess
oxygen?
AH° = -878.2 kJ
(b) How much heat is released when 2.3 x 10-2 mol ZnS (s) reacts in
excess oxygen?
(c) What is the enthalpy change when 223.9 g Zns (3) reacts in excess
oxygen?
Copyright © 2002 McGraw-Hill Ryerson Limited
Name:
Class:
(d) What is the enthalpy change when 0.96 g Zno(s) is produced?
Transcribed Image Text:Reinforce your understanding of the stoichiometry of thermochemical equations. Answer the questions below in the spaces provided. 1. Consider the following thermochemical equation: 2ZnS (s) + 3O2(g) → 2ZnO (s) + 2SO2(g) (a) How much heat is released when 3.0 mol ZnS (s) reacts in excess oxygen? AH° = -878.2 kJ (b) How much heat is released when 2.3 x 10-2 mol ZnS (s) reacts in excess oxygen? (c) What is the enthalpy change when 223.9 g Zns (3) reacts in excess oxygen? Copyright © 2002 McGraw-Hill Ryerson Limited Name: Class: (d) What is the enthalpy change when 0.96 g Zno(s) is produced?
Expert Solution
trending now

Trending now

This is a popular solution!

steps

Step by step

Solved in 3 steps with 46 images

Blurred answer
Knowledge Booster
Thermodynamics
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, chemistry and related others by exploring similar questions and additional content below.
Similar questions
  • SEE MORE QUESTIONS
Recommended textbooks for you
Chemistry
Chemistry
Chemistry
ISBN:
9781305957404
Author:
Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:
Cengage Learning
Chemistry
Chemistry
Chemistry
ISBN:
9781259911156
Author:
Raymond Chang Dr., Jason Overby Professor
Publisher:
McGraw-Hill Education
Principles of Instrumental Analysis
Principles of Instrumental Analysis
Chemistry
ISBN:
9781305577213
Author:
Douglas A. Skoog, F. James Holler, Stanley R. Crouch
Publisher:
Cengage Learning
Organic Chemistry
Organic Chemistry
Chemistry
ISBN:
9780078021558
Author:
Janice Gorzynski Smith Dr.
Publisher:
McGraw-Hill Education
Chemistry: Principles and Reactions
Chemistry: Principles and Reactions
Chemistry
ISBN:
9781305079373
Author:
William L. Masterton, Cecile N. Hurley
Publisher:
Cengage Learning
Elementary Principles of Chemical Processes, Bind…
Elementary Principles of Chemical Processes, Bind…
Chemistry
ISBN:
9781118431221
Author:
Richard M. Felder, Ronald W. Rousseau, Lisa G. Bullard
Publisher:
WILEY