Determine mass of water added in kg and final pressure
A vessel whose volume is 0.5 m^3 initially contains dry air at 0.2 MPa and 20°C. Water is added to the vessel until the air is saturated at 20°C. Determine the (a) mass of water added, in kg. (b) final pressure in the vessel, in bar.
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Why must one consider the average degree of polymerization and the average molecular weight of a thermoplastic material? Define the average molecular weight of a thermoplastic.
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Calculate ΔG(knot) and show that the reaction isspontaneous at 25 degrees Celsius. Is there any temperature range in which this reaction isnot spontaneous?
Water is added to the vessel until the air is saturated at 20°C. Determine the (a) mass of water added, in kg. (b) final pressure in the vessel, in bar.
What is the magnitude of the vertical displacement delta y of the electron while it is in the electric field? Answer in units of m.
It takes 140 J of work to move 2.6 C of charge from a positive plate to a negative plate. What voltage difference exists between the plates? Answer in units of V.
If the angle of collision between molecules A and B in areaction is favorable, reaction energy is less than when the angleof collision is unfavorable.
The probabilities of snow in a given region during each month of the year are Jan(40%), Feb(30%), Mar(20%). Apr(10%), May-Dec (2.5%). If it snows, what is the probability that it is February?
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