a. What is the specific weight of air above at a room temperature of 30°C and a pressure of 470 kKPa absolute? b. One kilogram of hydrogen is confined in a volume of 150 liters at -40°C. What is the pressure if R is 4115 Nm/kg-K?

a. What is the specific weight of air above at a room temperature of 30°C and a pressure of 470 kKPa absolute? b. One kilogram of hydrogen is confined in a volume of 150 liters at -40°C. What is the pressure if R is 4115 Nm/kg-K?

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Description: a. What is the specific weight of air above at a room temperature of 30°C and a pressure of 470kKPa absolute?b. One kilogram of hydrogen is confined in a volume of 150 liters at -40°C. What is the pressureif R is 4115 Nm/kg-K?

Refrigeration and Air Conditioning Technology (MindTap Course List)

8th Edition

ISBN:9781305578296

Author:John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson

Publisher:John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson

Chapter1: Heat, Temperature, And Pressure

Section: Chapter Questions

Problem 14RQ: Atmospheric pressure at sea level under standard conditions is ______inches of mercury (Hg) or_____...

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