Africtionless piston-cylinder with stops has an initial volume of 1.2 m^3 and contains 2.4 kg of water with an initial temperature of 100°c. at this state, the piston is partially supported by a set of stops. the mass of the piston is such that a pressure of 300 kpa is required to lift the piston off of the stops. the system is heated until the temperature is 250°c. a. determine the initial pressure of the water b. if the piston lifts off the stops during the process, find the temperature when the piston first begins to rise. if the piston doesn't lift off the stops, determine the final pressure. c. calculate the work for the process. d. calculate the heat transfer for the process. e. show the entire process on p-v and t-v diagrams.

the equation above shows how temperature f, measured in degrees fahrenheit, relates to a temperature c, measured in degrees celsius. based on the equation, which of the following must be true?

a temperature increase of 1 degree fahrenheit is equivalent to a temperature increase of

5

9

degree celsius.

a temperature increase of 1 degree celsius is equivalent to a temperature increase of 1.8 degrees fahrenheit.

a temperature increase of

5

9

degree fahrenheit is equivalent to a temperature increase of 1 degree celsius.

a) i only

b) ii only

c) iii only

d) i and ii only

answer:

d. attempt to find the owner, then leave your information if you cannot find them.

explanation:

d. represents both (b) and (c).

more logical as well.

b and c are to complicated.

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answer:

fvbyunjk

explanation: