Chemistry, 13.09.2019 23:10 BreBreDoeCCx
You have a piston-cylinder device carnot cycle heat engine containing 1.12 mol of helium (mw-4 kg/kmol, cp 2.5r) as the working fluid. this heat engine receives 4.65 kj of heat from a high-temperature thermal energy reservoir and rejects 2.42 kj heat to a low-temperature thermal energy reservoir at 27.0 °c. a. calculate the high-temperature reservoir temperature (°c). b. calculate the work this carnot heat engine produces (kj). c. calculate the 1st law or thermal efficiency of this carnot heat engine. d. calculate the work interaction (kj) for the adiabatic, reversible expansion step.
Answers: 1
Chemistry, 22.06.2019 00:30
Asolution of sodium hydroxide was titrated against a solution of sulfuric acid. how many moles of sodium hydroxide would react with 1 mole of sulfuric acid?
Answers: 2
Chemistry, 22.06.2019 03:00
In the 1800s, one of the statements in john dalton's atomic theory was that atoms are indivisible. later experimental evidence led to the discovery of subatomic particles such as neutrons, electrons, and protons. what happened to the indivisible atom part of dalton's atomic theory, and why?
Answers: 3
Chemistry, 22.06.2019 17:30
In a heat of an engine, if 700 j enters the system, and the piston does 400 j of work what is the final internal (thermal) energy of the system if the initial energy is 1,500 j
Answers: 2
Chemistry, 22.06.2019 18:00
What amount of heat is exchanged when 106.2 grams of substance y goes from a liquid at 35 degrees celsius to a solid at the same temperature? melting point of substance y = 35 degrees c; δhvaporization = 3.67 j/mol; δhfusion = 3.30 j/mol. mwsubstance y = 28.22 g/mol. −12.4 j −3.51 x 102 j 1.24 x 101 j 351 j
Answers: 1
You have a piston-cylinder device carnot cycle heat engine containing 1.12 mol of helium (mw-4 kg/km...
Mathematics, 22.10.2020 01:01
History, 22.10.2020 01:01
Geography, 22.10.2020 01:01
Computers and Technology, 22.10.2020 01:01
Mathematics, 22.10.2020 01:01
Spanish, 22.10.2020 01:01
English, 22.10.2020 01:01
Mathematics, 22.10.2020 01:01
Computers and Technology, 22.10.2020 01:01
Geography, 22.10.2020 01:01
History, 22.10.2020 01:01
Biology, 22.10.2020 01:01