Please Asap A spherical balloon of volume 3.90 x 10³ cm³ contains helium at a pressure of 1.17 x 105 Pa. How many moles of helium are in the balloon if the average kinetic energy of the helium atoms is 3.60 x 10-22 J?mol In one cycle, a heat engine absorbs 1.73 kJ from a hot reservoir at 277°C and expels 1.21 kJ to a cold reservoir at 27°C.(a) What is the engine's thermal efficiency (in percent)?%(b) How much work is done by the engine (in J) in each cycle?J(c) What is the engine's power output (in kW) if each cycle lasts 0.301 s?kW

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A spherical balloon of volume 3.90 x 10³ cm³ contains helium at a pressure of 1.17 x 105 Pa. How many moles of helium are in the balloon if the average kinetic energy of the helium atoms is 3.60 x 10-²² J? mol

A spherical balloon of volume 3.90 x 10³ cm³ contains helium at a pressure of 1.17 x 105 Pa. How many moles of helium are in the balloon if the average kinetic energy of the helium atoms is 3.60 x 10-²² J? mol

Principles of Physics: A Calculus-Based Text

5th Edition

ISBN:9781133104261

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter18: Heat Engines, Entropy, And The Second Law Of Thermodynamics

Section: Chapter Questions

Problem 7P

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