Question: Identify the errors in these problems and EXPLAIN WHY they're wrong and the correct way to solve them. Thank you! 1. Suppose you mix 21.0g

Identify the errors in these problems and EXPLAIN WHY they're wrong and the correct way to solve them. Thank you!

the correct way to solve them. Thank you! 1. Suppose you mix

1. Suppose you mix 21.0g of water at 52.7C with 54.9g of water at 31.5 C in an insulated cup. What is the maximum temperature of the water after mixing? Answer: qsystem=qsurroundingsqhotH2O=qcoolH2OmhotH2OchotH2OThotH2O=mcoolH2OccoolH2OTcoolH2O(21.0g)(4.184gCJ)ThotH2O=(54.9g)(4.184gCJ)TcoolH2O(87.86CCJ)ThotH2O=(229.702oCJ)TcoolH2OThotH2O=(2.614)TcoolH2OTf52.7C=2.614Tf31.5C2.614Tf=21.2CTf=8.11C 2. Use the information provided to determine Hrxn for the following reaction 3Fe2O3(s)+CO(g)2Fe3O4(s)+CO2(g)Hrxn=? Answer: (824molkJ+111molkJ)(1118molkJ+394molkJ)=577molkJ

Step by Step Solution

There are 3 Steps involved in it

1 Expert Approved Answer

Step: 1 Unlock blur-text-image

Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock

Step: 3 Unlock

Students Have Also Explored These Related Chemistry Questions!

Please read the question Question : What are "spaced practice", "varied practice", and "interleaved practice"? Give a definition for each. Then give an example of each from your own experience as a...

Chapter 7 Revising and Presenting Your Writing I'm not a very good writer, but I'm an excellent rewriter. James A. Michener Half my life is an act of revision. John Irving Getting Started INT RODU CT...

Why Hospitals Don't Learn from Failures: ORGANIZATIONAL AND PSYCHOLOGICAL DYNAMICS THAT INHIBIT SYSTEM CHANGE Anita L. Tucker Amy C. Edmondson T he importance of hospitals learning from their...

C HAP TER 1 Culturally Intelligent Leadership Matters The rst time I taught cultural intelligence principles to a group of executives in Minnesota, I miscalculated the time and distance it would take...

I hope you can answer this question and find the reference below the question. Thank you Topic: Conducting personal job interviews using the STAR model 1- Design a two-hour training work plan for 10...

What was the situation faced by Smithers in this assignment? Dont forget to discuss the environment faced by the company, unit etc (discuss the context). Smithers is currently being faced with a...

Create four language guidelines: two for Spanish and two for English, each with a descriptive and required component. This chapter is a brief introduction to modern linguistics and to topics that...

John Smithers at Sigtek What was the situation faced by Smithers in this assignment? Dont forget to discuss the environment faced by the company, unit etc (discuss the context). What forces in and...

Project Management Casebook David I. Cleland, Karen M. Bursic, Richard Puerzer, and A. Yaroslav Vlasak Library of Congress Cataloging-in-PublicationData Project management casebook /edited by David...

\fThis is an electronic version of the print textbook. Due to electronic rights restrictions, some third party content may be suppressed. Editorial review has deemed that any suppressed content does...

Prepare a flexible budget performance report title (in proper form) for Spalding Company for the calendar year 2009. Why is a proper title important for this or any report?

Find 21 + 4r - VI + 5r dr 3r2

in cash to expand the firm's truck fleet and using \ ( \ $ 1 , 3 7 2 , 0 0 0 \ ) in cash to retire a short - term note. If they carry this plan through, what will happen to the firm's current ratio?...

In c++: 1) Analyze the given programs and write the output. 1 Presents the correct output of the program clearly and concisely in an organized manner 2 Presents the output fairly clearly and...

4. Suppose that the last dollar that Victoria receives as income brings her a marginal utility of 10 utils while the last dollar that Fredrick receives as income brings him a marginal utility of 15...

LO24.1 Convey important facts about rising health care costs in the United States.

5. If women are crowded into elementary education and away from fire fighting, wages in fire fighting will tend to be _______________ than if women werent crowded into elementary education. LO23.7 a....