If a cells  $\Psi p$ = 3 bars and its  $\Psi s$ = -4.5 bars, what is the resulting  $\Psi$  ?

A cell with a water potential of -1.5 bars is placed in a beaker of sugar water with $\Psi s$  = -4.0 bars.  In which direction will the net flow of water be?

A cell with a water potential of -1.5 bars is placed in a beaker of sugar water with  $\Psi s$  = 1.5 bars.  In which direction will the net flow of water be?

The value for  $\Psi$  in root tissue was found to be -3.3 bars.  If you take the root tissue and place it in a 0.1 M solution of sucrose at 20 $\degree$ C in an open beaker, what is the  $\Psi$  of the solution, and in which direction would the net flow of water be?

NaCl dissociates into 2 particles in water: Na+ and Cl-. If a solution in an open beaker contained 0.1M NaCl at 20 $\degree$ C, what is the  $\Psi$  of the solution, and in which direction would the net flow of water be?

A plant cell with a $\Psi s$  of -7.5 bars keeps a constant volume when immersed in an open-beaker solution that has a  $\Psi s$  of -4 bars.  What is the cells  $\Psi p$  ?