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(Thermodynamics) For each systems below, calculate the value for ∆E. Show equation and work! G) A system cools down while expanding. (sign only with explanation) H) A system heats up a little while expanding
answered
Sep 20, 2020
Chemistry
high-school
5
votes
3.8k
views
Which of the following is true? Select one: The type of charge card used by a customer (Visa, MasterCard, AmEx) is ordinal data. The duration (minutes) of a flight from Boston to Minneapolis is ratio data.
answered
Jul 20, 2020
Mathematics
high-school
0
votes
189k
views
Research the different between languages
answered
May 5, 2020
English
middle-school
0
votes
234k
views
Find the indicated side of the triangle. Please Help!!!
answered
Mar 29, 2020
Mathematics
middle-school
4
votes
105k
views
Identify the main differences between Hamilton Senate and the actual Senate
answered
Dec 17, 2019
History
middle-school
4
votes
227k
views
How many steps would have to be took is a esulader was standing still is she counted 60 steps going up n 90 going down how many would she of counted total if the steps were standing still?
answered
Mar 7, 2019
Mathematics
high-school
4
votes
155k
views
I have to do an essay, and the directions are this: In at least 150 words, explain the metaphor of "cashing a check" and how it makes King's speech more effective. I need help on starting this essay!
answered
Jan 16, 2019
English
middle-school
0
votes
56.7k
views
One researcher concluded that close relationships "may be the single most important source of life satisfaction and emotional well-being, across different ages and cultures."
answered
Jan 11, 2019
Social Studies
high-school
4
votes
116k
views
Miriam fue a visitar una ciudad muy __________. Las personas no tienen casas. pobre trabajador suave generosa
answered
Oct 1, 2018
Spanish
high-school
3
votes
65.1k
views
Which answer choice contains correct capitalization? Oh No! Our teacher assigned how many pages of homework? Oh no! our teacher assigned how many pages of homework? Oh no! Our teacher assigned how many
answered
Jul 28, 2018
English
high-school
2
votes
190k
views
Sam rotated parallelogram ABCD 90° clockwise around the origin. If angle A is 130° and angle B is 50°, what is the degree measurement of angle A'?
answered
Jun 23, 2018
Mathematics
middle-school
4
votes
116k
views
mitchell stephens takes on cases involving children because of the relationship he has with his own daughter, zoe. True or False?
answered
Apr 25, 2018
English
college
4
votes
117k
views
What kind of a simple machine is an ax blade?
answered
Mar 12, 2018
Biology
high-school
2
votes
30.6k
views
The sum of 3 consecutive integers is 417. write and solve an equation that will determine the three integers. let x be the first integer
answered
Feb 3, 2018
Mathematics
high-school
5
votes
233k
views
Find the value of the underlined digit 380,671 with the 3 underlined
answered
Nov 10, 2017
Mathematics
college
0
votes
203k
views
Within the metric system all units are based on the number A. 100. B. 1000. C. 1. D. 10.
answered
Oct 11, 2017
Mathematics
high-school
2
votes
37.6k
views
Find a counterexample for the conjecture. three coplanar lines always make a triangle
answered
Jun 9, 2017
Mathematics
high-school
4
votes
55.6k
views
Which best describes the difference between internal and thermal energy?
answered
May 15, 2017
Physics
high-school
1
vote
188k
views
If line AD is a tangent to circle B, what is the measure of ∠BCA? 40º 50º 90º 180º
answered
Jan 7, 2016
Mathematics
high-school
5
votes
24.2k
views
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