A) Find ?H and ?S for the gas as it travels through the compressor, and also find the amount of work Ws done by the compressor per mole of gas. B) The gas leaving the compressor is then condensed, after which it goes through a throttling valve that drops the pressure back to 0.3 atm, and then returns to the boiler. Find the amount of heat removed in the condenser (QH) per mole of refrigerant and the coefficient of performance of this refrigerator. C) What would be the coefficient of performance of a CARNOT refrigerator that operated between 275 K and 330 K?
A refrigerator operates according to the vapor-compression cycle. The amount of heat added in the boiler is 6500 Joules per mole of refrigerant. The vapor leaving the boiler is an ideal gas with a constant CV*=(5/2)R. This gas enters the compressor at P=0.3 atm and T=275 K and leaves at P=0.5 atm and T=330 K.
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The section of a DR policy that includes a schedule and instructions for the review and updating of the DR plan is called the ____________________.
Fill in the blank(s) with the appropriate word(s).
Four important requirements for any successful grafting operation producing plants include: ________, ________, ________, and ________.
Fill in the blank(s) with the appropriate word(s).
Hint: 
Determine the voltage of 
if 
is 105 and 
is 120 volts. Carry the answer to two decimal places.
Fill in the blank(s) with the appropriate word(s).
Bus contention arises when more than one register output is "enabled" at the same time on a single data bus line. This condition will cause:
A) uncertain logic levels and possible damage to the input data lines of the registers contending for the bus. B) uncertain logic levels and possible damage to the bus line. C) uncertain logic levels and possible damage to the register output buffers.