Physics, 22.07.2019 14:00 rederisbetter9379
Where p = pressure v = volume n = number of moles r = the universal gas constant t = temperature in degrees kelvin if you fill up a balloon with a small amount of air, then set it in direct sunlight, you will see that the balloon expands. this expansion is due to an increase in volume, which results from an increase in the temperature of the air in the balloon. this increase in temperature increases the of the gas, which results in the gas particles moving faster and colliding more often with the wall of the container. these collisions are what increase the pressure of the gas on the balloon, and ultimately cause the balloon to stretch out. a) moles b) spin energy c) kinetic energy d) potential energy
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Physics, 21.06.2019 19:30
Two identical 82 mg dust particles very far apart (pee 0) are moving directly toward each other at a speed of 3698 m/s. the charge on each is-719 ? c. determine how close they will get to each other. let k = 9x109 n-m2/c2 & ignore gravity.
Answers: 1
Physics, 21.06.2019 20:00
Which of the following represents an upright image? a. -do b. +m c. -m d. +do
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Physics, 21.06.2019 20:00
Alice added sodium chloride to water and stirred the water for several minutes. alice is most likely trying to demonstrate that ionic compounds a. are hard. b. can dissolve. c. are clear. d. can melt.
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Physics, 22.06.2019 06:30
Air initially at 0.75 bar, 1000 k, and occupying a volume of 0.12 m^3 undergoes two processes. process 1-2: the air is compressed isothermally until the volume is halved. process 2-3: the air undergoes a constant pressure process until the volume is halved again. assume ideal gas behavior. a) determine the mass of the air, in kg. b) the work and the heat transfer for each of the two processes, in kj. (100 kj = 1 bar . m^3)
Answers: 1
Where p = pressure v = volume n = number of moles r = the universal gas constant t = temperature in...
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