Physics, 23.11.2019 04:31, gisellekarime
Apopular classroom demonstration is to place a gas can on a burner and boil water in it. left unchecked this has the potential to be a very boring demo. however the can is removed from the flame and the lid is screwed on tightly. after it cools down the can will
a) still be boring and not change.
b) shrivel up, since colder gases have less pressure.
c) bulge and expand, since colder gases are denser and exert more pressure
d) shrivel up, since the atmosphere exerts more force on the can as it cools.
Answers: 3
Physics, 22.06.2019 10:00, autumnskye1
In a heat engine if 1000 j of heat enters the system the piston does 500 j of work, what is the final internal energy of the system if the initial energy was 2000 j? 1. write the equation 2.list out your known variables 3.plug the numbers into the equations 4.solve 5.write your solution statement that includes initial energy and final
Answers: 3
Physics, 22.06.2019 22:00, marialuizavalen
Which of these is the best way to manage a natural resource
Answers: 3
Apopular classroom demonstration is to place a gas can on a burner and boil water in it. left unchec...
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