Physics, 17.05.2021 22:00, dawnparker71
Two moles of helium gas initially at 329 K and 0.37 atm are compressed isothermally to 0.96 atm. Find the final volume of the gas. Assume that helium behaves as an ideal gas. The universal gas constant is 8.31451 J/K · mol. Answer in units of m3. PART TWO: Find the work done by the gas. Answer in units of kJ..
Answers: 3
Physics, 23.06.2019 00:30, SpookyAlex2132
Which of the following is a true statement about the acceleration ~a of the pendulum bob ~a is equal to the acceleration due to gravity. ~a is perpendicular to the bob’s trajectory. ~a is equal to the instantaneous rate of change in velocity. ~a is tangent to the bob’s trajectory.
Answers: 1
Physics, 23.06.2019 02:30, cassidyschmuzler
Find an expression for the electric field e⃗ at the center of the semicircle. hint: a small piece of arc length δs spans a small angle δθ=δs /r, where r is the radius. express your answer in terms of the variables q, l, unit vectors i^, j^, and appropriate constants.
Answers: 1
Physics, 23.06.2019 03:00, blancademarco1994
A75-hp (shaft output) motor that has an efficiency of 91.0 percent is worn out and is to be replaced by a high-efficiency motor that has an efficiency of 95.4 percent. the motor operates 4368 hours a year at a load factor of 0.75. taking the cost of electricity to be $0.12/kwh, determine the amount of energy and money saved as a result of installing the high-efficiency motor instead of the standard motor. also, determine the simple payback period if the pu
Answers: 1
Two moles of helium gas initially at 329 K and 0.37 atm are compressed isothermally to
0.96 atm. Fi...
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