Find the change of internal energy and enthalpy of nitrogen
What is the change of internal energy and enthalpy of 4 kg nitrogen as it changes from 50oC and 100kPa to 100oC and 200kPa? Does the pressure at the beginning and end of this process have any effect on the results?
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The crate slides down the section of the spiral ramp such that r = (0.5z) ft and z = (100 - 0.1t2) ft, where t is in seconds. If the rate of rotation about the z axis is ? = 0.04pt rad/s, determine the magnitudes of the velocity and acceleration o
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What is the change of internal energy and enthalpy of 4 kg nitrogen as it changes from 50oC and 100kPa to 100oC and 200kPa?
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If you were constructing a 99% confidence interval of the population mean based on a sample of n=25 where the standard deviation of the sample s=.05, the critical value of t will be
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