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A heat engine operates in a Carnot cycle between 75◦C and 492◦C. It absorbs 19300 J of energy per cycle from the hot reservoir. The duration of each cycle is 1.16 s. What is the mechanical power output
answered
Dec 2, 2020
Physics
college
2
votes
98.6k
views
A 280. L kiln is used for vitrifying ceramics. It is currently operating at 915 ∘C , and the pressure is 1.075 atm . How many moles of air molecules are within the confines of the kiln?
answered
Oct 1, 2020
Chemistry
college
4
votes
56.8k
views
What is one requirement for applying to become an American citizen?
answered
Sep 28, 2020
History
middle-school
5
votes
218k
views
Okay I have two more for you 3.x over 4 = 6 A. 12 B.24 4. 2x = 26 A. 24 B. 13
answered
Apr 28, 2020
Mathematics
middle-school
6
votes
89.9k
views
5. Jeannette has $5 and $10 bills in her wallet. The number of fives is three more than six times the number of tens. Let t represent the number of tens. Write an expression for the number of fives.
answered
Feb 24, 2020
Mathematics
college
3
votes
38.0k
views
Which aspect of life in the Chesapeake region was different from life in New England for early settlers? climate and soil conditions conflict with Native Americans gold and silver deposits shipping routes
answered
Jul 4, 2019
History
middle-school
3
votes
198k
views
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