Chemistry
Chemistry, 26.11.2019 03:31, yalley1982

Determine the change in the internal energy of helium, in kj/kg, as it undergoes a change of state from 100 kpa and 20°c to 600 kpa and 300°c using the equation of state p(ν - a) = rt where a = 0.01 m3/kg, and compare the result to the value obtained by using the ideal gas equation of state.

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Engineering, 23.10.2019 23:00, teresaramirezde4
Ablock of iron undergoes a change of state and the following data are given. state-1: m=5 kg, v = 5 m/s, z=10 m, p=100 kpa, t=30 deg-c; state-2: m=5 kg, v = 15 m/s, z=20 m, p=100 kpa, t=60 deg-c. use the sl system-state testapp to solve this problem. 40 = 20 + 20 hide details (a). determine the change (state-2 - state-1) in the stored energy (in kj). 20 kj enter answer as a decimal number (3.14, 5.0, -2.78, 5, for example) (b). what percent of the change in stored energy can be attributed to the change in temperature? 20 % enter answer as a decimal number (3.14, 5.0, -2.78, 5, for example)
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