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Answers by Violeta

Answers by Violeta
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A piston-cylinder device contains an ideal gas mixture of 3 kmol of He gas and 7 kmol of Ar gas (both gases are monatomic) at 27°C and 200 kPa. Now the gas expands at constant pressure until its volume
answered Aug 28, 2021
5 votes
61.7k views
How can scientists determine what kind of atoms are in stars and nebulas?
answered Jul 29, 2021
2 votes
178k views
There were 75 roasted turkeys at Ally's Eats. Bob's Goods had 4/5 as many roasted turkeys as Ally's Eats. If Ally's Eats had 5/6 as many roasted turkeys as Charlotte's Market what was the average number
answered Jul 3, 2021
2 votes
213k views
Brenda’s Boards manufactures skateboards. Each skateboard sells for $45 and includes the following expenses: $3 for the wheels and mounts, $1 for the plastic board, $1 for the paint, and $10 for the labor.
answered May 21, 2021
2 votes
72.7k views
Which supporting detail from The Great Fire conveys the main idea that firefighters alone were not able to contain the fire?
answered Feb 19, 2021
3 votes
70.4k views
10 PTS :) You can use paper folding to find the angle bisector of XAB. Which of these folds will result in a crease that is the angle bisector of XAB? A: Fold Point X onto Point A B: Fold Point B onto
answered Dec 20, 2020
3 votes
201k views
In what year was lincoln elected president of the united states?
answered Oct 31, 2020
4 votes
115k views
A wave with a frequency of 500 Hz is traveling at a speed of 100 m/s.what is the wavelength?
answered Aug 19, 2020
5 votes
78.0k views
13. 2 – (–8) + (–3) = A. 1 B. 12 C. 7 D. 14
answered Jul 5, 2020
5 votes
59.1k views
a bookstore has 780,000 and sales revenue in 2005 $190,000 2011 assuming a constant annual rate of decrease what is the predicted sales revenue for 2017
answered Dec 28, 2019
2 votes
159k views
Mi familia baila preterite tense
answered Oct 4, 2019
4 votes
178k views
If a+b=-2 And x+y= -2 what is 4x+5a+4y+5b?
answered Sep 9, 2019
3 votes
79.3k views
Daniel bike to the park on the way he stopped for a soda then continue to the park after playing a game of catch Daniel by Tom between which two points did Daniel more than likely stop for a soda
answered Aug 16, 2019
7 votes
217k views
A forest fire destroyed large tracts of forest in California.however, within a few years , the forest regenerated and will soon return to its original state . What is the reason the forest is able to regenerate?
answered Jul 8, 2019
3 votes
184k views
Correct definition of 442nd regimental combat team?
answered Jun 11, 2019
5 votes
11.5k views
A paperweight in the shape of a rectangular prism is shown: If a cross section of the paperweight is cut diagonal to the base, which shape describes the cross section?
answered Sep 11, 2018
2 votes
189k views
Find an equation for the nth term of the sequence. -2, -8, -32, -128, ...
answered Jun 27, 2018
4 votes
208k views
What is the y intercept
answered Apr 25, 2018
0 votes
128k views
Rounding 0.912 to the nearest hundredth
answered Apr 8, 2018
0 votes
233k views
Do jellyfish have jointed appendages?
answered Jan 26, 2018
1 vote
233k views
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