What would be the engines efficiency
In a hypothetical nuclear fusion reactor, the fuel is deuterium gas at a temperature of about 9.8 x 108 K. If this gas could be used to operate a Carnot engine with TL = 496°C, what would be the engine's efficiency?
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Heat is added from a 600°C source until the water is at 1MPa, 500°C. Find the heat transfer and the total change in entropy.
By how much must the iron unit cell expand to accommodate carbon? That is, what is the increase in the unit cell length.
Find (a) the energy absorbed as heat and (b) the change in entropy of a 3.94 kg block of copper whose temperature is increased reversibly from 21.1°C to 88.4°C. The specific heat of copper is 386 J/kg·K.
Initially the cylinder contains 4 kg of saturated (two-phase) water at 35oC. The final pressure is 7 MPa. Determine the final state of the H2O and the work done during the process.
The element lead (Pb) consists of four naturally occurring isotopes with atomic masses 203.97302,205.97444,206.97587, and 207.97663 amu.
The efficiency of a particular car engine is 26% when the engine does 6.3 kJ of work per cycle. Assume the process is reversible. What are (a) the energy the engine gains per cycle as heat Qgain from fuel combustion
A bag contains a mixture of copper and lead BBs. The average density of the BBs is 9.90 Assuming that the copper and lead are pure, determine the relative amounts of each kind of BB.
A mass of 1 kg of air contained in a cylinder at 1.5 MPa, 1000 K, expands in a reversible isothermal process to a volume 10 times larger.
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