Find change in specific internal energy of solid aluminum
Determine the change in the specific internal energy of solid aluminum as it is heated at atmospheric pressure from 300 to 500 K. Use an average specific heat over this temperature range.
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Determine its mass flow rate (kg/s). If the refrigerant flow rate is cut to 5.0 kg/s but it still leaves at the same state, and the steam flow rate stays the same, what is the exit temperature of the steam?
Drops of rain fall perpendicular to the roof of a parked car during a rainstorm. The drops strike the roof with a speed of 12m/s, and the mass of rain per second striking the roof is 0.035 kg/sec.
Vanadium is a transition metal that uses its s an d orbitals to form five bonds with fluorine atoms in VF5. What nonmetal could replace vanadium in VF5 without changing the geometry of the molecule?
Calculate the change in enthalpy for the Mg HCl reaction using standard enthalpies of formation delta hf for HCl aq equals -167.2 kj and delta hf for MgCl2 aq equals -791.2 kj?
Use energy conservation to find the distance along the incline that the block slides before coming to rest.
What are the concentrations of hydrogen ion and acetate ion in a solution of 0.10M acetic acid, HC2H3O2? What is the pH of the solution? What is the degree of ionization? Ka = 1.7 x 10^-5
12 tons of cooling to a chilled water stream. What must the flow rate through the chiller be, in gpm, if the temperature of the supply is 46 degrees F and the return water is 60 degrees F.
Discuss briefly the similarites and differences between all known kinds of intermolecular forces. Use mathematical expressions to support your discussion.
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