Chemistry, 02.05.2021 19:20 makenziehook8
Repeat the following problem using constant specific heats at room temperature. Please show work. Consider an engine operating on the ideal Diesel cycle with air as the working fluid. The volume of the cylinder is 1200 cm3 at the beginning of the compression process, 75 cm3 at the end, and 150 cm3 after the heat-addition process. Air is at 17°C and 100 kPa at the beginning of the compression process. Determine (a) the pressure at the beginning of the heat-rejection process (answer p4 = 2.93 × 102kPa ), (b) the net work per cycle, in kJ ( Wnet = 7.95 × 10− 1kJ ), and (c) the mean effective pressure ( mep = 7.06 × 102kPa )
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There are two steps in the usual industrial preparation of acrylic acid, the immediate precursor of several useful plastics. in the first step, calcium carbide and water react to form acetylene and calcium hydroxide: cac2 (s) + 2h2o (g) → c2h2 (g) + caoh2 (s) =δh−414.kj in the second step, acetylene, carbon dioxide and water react to form acrylic acid: 6c2h2 (g) + 3co2 (g) + 4h2o (g) → 5ch2chco2h (g) =δh132.kj calculate the net change in enthalpy for the formation of one mole of acrylic acid from calcium carbide, water and carbon dioxide from these reactions. round your answer to the nearest kj .
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Repeat the following problem using constant specific heats at room temperature. Please show work. Co...
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