Problem 12.017 si natural gas having a molar analysis of 75% methane (ch4) and 25% ethane (c2h6) enters a compressor at 340 k, 6 bar and is compressed isothermally without internal irreversibilities to 20 bar. the compressor operates at steady state, and kinetic and potential energy effects are negligible. (a) assuming ideal gas behavior, determine for the compressor the work and heat transfer, each in kj per kmol of mixture flowing. (b) assuming ideal solution behavior, determine for the compressor the work and heat transfer, each in kj per kmol of mixture flowing.

an ion is a charged atom or molecule. it is charged because the number of electrons do not equal the number of protons in the atom or molecule. an atom can acquire a positive charge or a negative charge depending on whether the number of electrons in an atom is greater or less then the number of protons in the atom.

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as we know our atmosphere or air have different levels. every level has other gasses, and every gas has another permeability. when the light comes from lower permeability to higher permeability, it changes its direction. so that means that when the light comes from the moon to the earth, it changes it's direction many more times. it basically means that the shape of the light part of the moon is changed on the earth.

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in order to follow the instructions and complete the statements, i need to use data from table c of your student guide. can you think of a way to let me see your student guide for a while ? i can't answer the question without the data in table c.