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2 answers:
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Answer:
Explanation:
A) In order to solve the table it is necessary to consult tables A11-E and A10E for refrigerant R134-a
In this way we obtain that:
In this way,
In this way the entropy change is,
B) Whenever entropy yields a positive result, the process can be carried out adiabatically.
Answer:
756.88 Volts will be the potential difference across each capacitor.
Explanation:
Q = Charge on capacitor
C = Capacitance
V = Voltage across capacitor
Capacitance of first capacitor =
Charge of first capacitor =
Voltage across first capacitor =
Capacitance of first capacitor =
Charge of second capacitor =
Voltage across first capacitor =
Both the capacitors are disconnected and positive plates are now connected to each other and the negative plates are connected to each other. These capacitors are connected in parallel combination.
Total charge = Q
Total capacitance in parallel combination:
Potential across both capacitors = V
756.88 Volts will be the potential difference across each capacitor.