Helium is contained in a 2-m3 rigid volume at 50°C and 200 kPa. Calculate the heat transfer needed to increase the pressure to 400 kPa.
A) 1390 kJ
B) 1230 kJ
C) 1100 kJ
D) 978 kJ
D) 978 kJ
The first law with W = 0, is Q = ?U . Use the ideal gas law to find T2 and T1:
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Fill in the blank(s) with the appropriate word(s).
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A ____ is a logic diagram that uses a set of standard symbols to visually explain the sequence of events from the start of a process to its end point.
A. flowchart B. map C. block chart D. pseudocode