Engineering, 23.05.2020 04:04 legitmega
A system of four moles of an ideal gas increases its internal energy by 2,992 J as it increases in temperature from 300 K to 360 K. There are no changes in bond energy. Which of the following statements is true? Explain using the appropriate model(s).(a) This gas is monatomic.(b) This gas is diatomic, with its vibrational modes frozen out.(c) This gas is diatomic, with its vibrational modes unfrozen.(d) Not enough information given; you need to know how much work was done on the gas.(e) Not enough information given; you need to know how much heat was transferred to the gas.(f) Both (d) and (e).
Answers: 2
Engineering, 04.07.2019 18:20
Vibration monitoring this technique uses the noise or vibration created by mechanical equipment and in seme cases by plant systems to detemine their actual condtion. a)- true b)- false
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Engineering, 04.07.2019 18:20
Agas mixture consists of 8 kmol of h2 and 2 kmol of n2. determine the mass of each gas and the apparent gas constant of the mixture.
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Engineering, 04.07.2019 19:10
Arigid tank contains 10 kg of air at 137 kpa (abs) and 21Β°c. more air is added to the tank until the pressure and temperature rise to 242 kpa (abs) and 32Β°c, respectively. determine the amount of air added to the tank. [r-0.287 kj/kg k]
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Engineering, 04.07.2019 19:20
Brief discuss how the presence of dislocations in crystal structures can be an advantage and a disadvantage to engineer and designers.
Answers: 3
A system of four moles of an ideal gas increases its internal energy by 2,992 J as it increases in t...
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