Answers by Matias Elgart
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Answers by Matias Elgart

Answers by Matias Elgart
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In the first law of thermodynamics, △E = Q-w, what does △E stand for? A. the work done by the piston B. the internal energy of the system C. the heat added to the system D. the change in the internal energy
answered Jan 10, 2018
3 votes
211k views
An object has a length of 5.0 cm, a height of 3.0 cm and a width of 15.0 cm. It has a mass of 24 grams. What is its density? 9.4 0.11 2.25
answered May 14, 2017
3 votes
149k views
Which statement is true with respect to an atom?
answered Apr 13, 2017
3 votes
193k views
Chris bought 6 packages of napkins for his restaurant.There are 200 napkins in each package.How many napkins did Chris buy?
answered Feb 16, 2017
1 vote
56.1k views
B?? Which of these was created during World War I to help coordinate the economy during wartime? Creel Committee War Industries Board Department of Commerce National Recovery Administration
answered Mar 15, 2016
5 votes
36.0k views
The cube of x plus 5
answered Jan 13, 2015
4 votes
16.3k views
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