Consider the flow of air through a convergent–divergent duct, such as the venturi tube described in prob. 4.4. the inlet, throat, and exit areas are 3, 1.5, and 2 m2, respectively. the inlet and exit pressures are 1.02 × 105 and 1.00 × 105 n/m2, respectively. calculate the flow velocity at the throat. assume incompressible flow with standard sea-level density. upload your answer via pdf. show all work for full credit.

These models show the electron structures of two different nonmetal elements. which element is likely more reactive, and why? element 1 is more reactive because it has fewer electron shells and is toward the top of its group on the periodic table. element 1 is more reactive because it has more electrons in its valence shell and is farther to the right on the periodic table. element 2 is more reactive because it does not have a valence shell close to the nucleus, so it will attract electrons. element 2 is more reactive because it does not have a full valence shell, so it will attract electrons.

Which process is represented by the pv diagram? a. the isobaric process b. the isovolumetric process c. the isothermal process d. the adiabatic process

In a voltaic cell, electrons flow from the (positive/negative) to the (positive/negative) terminal.