Answers: 1
Physics, 22.06.2019 03:50
A30 kg weight lies on top of a massless piston of area a = 0.01 m2 the exterior air is at a (constant) p =1 atm and t = 27 c. the interior gas is 0.4 moles of (ideal) n2 and it has initial temperature 27.00 degrees c. 1. what is the initial pressure in the interior? a. 29.4 kpa b. 130.7 kpa c. 101.3 kpa the next three questions concern what happens when an amount of heat q is slowly added to the interior, raising the piston by 1 mm and raising the interior temperature to 27.40 c
Answers: 3
Physics, 22.06.2019 10:00
Need people build a dam to create a reservoir that supplies water a nearby city needs. describe two ways this action will likely affect the water cycle in the local environment. (5 points) worth 20 points
Answers: 1
Physics, 22.06.2019 18:10
Arefrigerator uses r-134a as the working fluid and operates on the ideal vapor-compression refrigeration cycle except for the compression process. the refrigerant enters the evaporator at 120 kpa with a quality of 34 percent and leaves the compressor at 70°c. if the compressor consumes 450 w of power, determine (a) the mass flow rate of the refrigerant, (b) the condenser pressure, and (c) the cop of the refrigerator. (0.00644 kg/s, 800 kpa, 2.03)
Answers: 1
Physics, 22.06.2019 22:00
A51 kg woman skis down a hill and her kinetic energy is 9.96e4 j. what is her speed?
Answers: 2
Two charged spheres are 20cm apart and exert an attractive force of 6x10^-9 n on each other. what wi...
Mathematics, 20.08.2019 13:30
Chemistry, 20.08.2019 13:30
History, 20.08.2019 13:30
Biology, 20.08.2019 13:30
Mathematics, 20.08.2019 13:30
Social Studies, 20.08.2019 13:30
English, 20.08.2019 13:30
Biology, 20.08.2019 13:30
History, 20.08.2019 13:30
English, 20.08.2019 13:30
Social Studies, 20.08.2019 13:30
Mathematics, 20.08.2019 13:30
Mathematics, 20.08.2019 13:30