Physics, 11.10.2019 05:30 2alshawe201
(8%) problem 9: helium is a very important element for both industrial and research applications. in its gas form it can be used for welding, and since it has a very low melting point (only 0.95 k under 2.5 mpa) it can be used in liquid form to cool superconducting magnets, such as those found in particle physics experiments. say we have a cylinder of n = 125 moles of helium gas at room temperature (t = 20° c). the cylinder has a radius of r = 17 cm and a height h = 1.64 m. what pressure is helium gas under?
Answers: 2
Physics, 22.06.2019 03:00
Classify each possible hypothesis about a medicinal aloe vera plant as falsifiable or non-falsifiable. aloe vera gel is the best natural skin moisturizer. aloe vera gel can heal wounds by boosting cell renewal. aloe vera juice tastes better than carrot juice. drinking aloe juice can reduce the risk of lung cancer.
Answers: 1
Physics, 22.06.2019 08:00
Ms.hidalgo opens the door to her classroom. her classroom is 60 degrees and the air outside is 80. predict what will happen using your knowledge of how heat flows.
Answers: 2
Physics, 22.06.2019 11:30
Considering only the earth's rotation, determine how much later the asteroid would have had to arrive to put the explosion above helsinki at longitude 25Ëš e? this would have obliterated the city.
Answers: 1
Physics, 22.06.2019 12:30
Aboy with a mass 25 kg climbs into a small tree. he sits on a branch that is 2.o m above to the ground.what is his gravitational potential energy above the ground?
Answers: 1
(8%) problem 9: helium is a very important element for both industrial and research applications. i...
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