please solve and explain.

1. Which statement is true about the factor Dij, o exp[-Exact/kI]? a. It contains both inertial and geometric contributions related to species I only b. It contains only inertial contributions, but from both species I and medium | c. It contains only geometric contributions from both species I and medium i d. It is always constant e. None of the above 2. Which is an example of forced convection? a. a fan blowing air around a room b. water dripping down from a melting icicle c. steam rising through a plpe d. tea brewing from a teabag sitting in hot water e. heat rising from a fire 3. Which factor DOES NOT influence the efficiency of a piston-and-cylinder device whose purpose is to push something with the moving piston? a. friction between the moving parts b. heat loss to the surroundings c. the temperature of the device d. noise made by the device as its parts move e. the weight of the piston itsell 4. Which of the following DOES NOT contribute to the magnitude of Eactivatondinusion for species A diffusing through medium B? a. the molecular geometry of A b. molecular weight of A c. viscosity of 8 d. the density of 8 e. frictional interactions between A and B 5. What is the driving force for osmosis? a. chemical potential gradient b. temperature gradient c. concentration gradient of A d. pressure gradient e. entropy gradient 6. The inverse square law governing radiation of energy gives a mathematical relationship between a. the temperature of a surface and its distance from the heat source b. the temperature of a surface and the square of its distance from a heat source c. the intensity of energy hitting a surface and the distance of the surface from a heat source d. the intensity of energy hitting a surface and the square of the intensity of energy radiation out from a heat source e. the intensity of energy hitting a surface and the square of its distance from a heat source 7. Which of the following DOEs Nor influence the fuel efficiency of a car? a. the total weight of the passengers b. the amount chemical energy released per gallon of fuel c. frictions between moving parts d. leakage of gas in the cylinders Fick's first law states: where Nij,z= steady state molar flow rate of species I through medium j in the z direction [moles/time] A= area through which diffusion occurs [length 2 ] Dij, 0= pre-exponential factor [ ? ] Eact = activation energy for diffusion of i through ] [Joules / mole] R= Universal gas constant =8.314J/molK T= absolute temperature of the system [K] ci,z+z= concentration of diffusing species i at position z+z [moles/volume] ci,z= concentration of diffusing species i at position z [moles/volume] z= distance over which diffusion occurs in the z direction [length]