menu-iconExamlexExamLexServices

Discover

Ask a Question
  1. All Topics
  2. Topic
    Chemistry
  3. Study Set
    General Chemistry Principles
  4. Exam
    Exam 7: Thermochemistry
  5. Question
    A System Absorbs 623 J of Heat While Doing 457
Solved

A System Absorbs 623 J of Heat While Doing 457

Question 43

Question 43

Multiple Choice

A system absorbs 623 J of heat while doing 457 J of work.What is the value of ΔU?


A) +1080 J
B) -166 J
C) +166 J
D) -1080 J
E) +623 J

Correct Answer:

verifed

Verified

Unlock this answer now
Get Access to more Verified Answers free of charge

Related Questions

Q38: Some "beetles" defend themselves by spraying hot

Q39: What is the work in joules done

Q40: Choose the INCORRECT statement.<br>A)The surroundings are the

Q41: Which of the following are thermodynamic state

Q42: Calculate the quantity of heat,in kJ,required to

Q44: At 1.0133 bar,the heat of sublimation of

Q45: The complete combustion of propane,C<sub>3</sub>H<sub>8</sub>(g),is represented by

Q46: Many people believe that coffee <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB5343/.jpg"

Q47: Given the following reactions:<br>2 NOCl(g)→ 2 NO(g)+

Q48: 100.0 g of nickel at 150 °C

Examlex

ExamLex

About UsContact UsPerks CenterHomeschoolingTest Prep

Work With Us

Campus RepresentativeInfluencers

Links

FaqPricingChrome Extension

Download The App

Get App StoreGet Google Play

Policies

Privacy PolicyTerms of ServiceHonor CodeCommunity Guidelines

Scan To Download

qr-code

Copyright © (2026) ExamLex LLC.

Privacy PolicyTerms Of ServiceHonor CodeCommunity Guidelines