The thermite reaction, Fe2O3 + Al Al2O3 + Fe produces so much heat that the Fe product melts. This reaction is used industrially to weld metal parts under water, where a torch cannot be employed. It is also a favorite chemical demonstration in the lecture hall (on a small scale). This reaction produces 852 kJ of heat per mole of Fe2O3 reacted. How many grams of Fe2O3 are produce 4.20 x 104 kJ of heat? Express your answer in grams to three significant figures. [5] ΑΣΦ ? g Fe₂O3

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
icon
Concept explainers
Question
100%
The thermite reaction,
Fe2O3 + Al
Al2O3 + Fe
produces so much heat that the Fe product melts.
This reaction is used industrially to weld metal parts
under water, where a torch cannot be employed. It
is also a favorite chemical demonstration in the
lecture hall (on a small scale).
This reaction produces 852 kJ heat per mole of Fe2O3 reacted. How many grams of Fe2O3 are needed to
produce 4.20 x 104 kJ of heat?
Express your answer in grams to three significant figures.
ΨΕ ΑΣΦ
?
P
Calculate how many grams of aluminum are needed to completely react with 580.0 g of Fe2O3 in this reaction.
Express your answer in grams to four significant figures.
| ΑΣΦ
g Fe₂O3
?
g Al
Transcribed Image Text:The thermite reaction, Fe2O3 + Al Al2O3 + Fe produces so much heat that the Fe product melts. This reaction is used industrially to weld metal parts under water, where a torch cannot be employed. It is also a favorite chemical demonstration in the lecture hall (on a small scale). This reaction produces 852 kJ heat per mole of Fe2O3 reacted. How many grams of Fe2O3 are needed to produce 4.20 x 104 kJ of heat? Express your answer in grams to three significant figures. ΨΕ ΑΣΦ ? P Calculate how many grams of aluminum are needed to completely react with 580.0 g of Fe2O3 in this reaction. Express your answer in grams to four significant figures. | ΑΣΦ g Fe₂O3 ? g Al
Expert Solution
trending now

Trending now

This is a popular solution!

steps

Step by step

Solved in 2 steps with 2 images

Blurred answer
Knowledge Booster
Thermochemistry
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
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