The work has not been graded but I like the output that was submitted to me. Is it possible for the same prof to do the next assignment I will be submitting? If possible, I will greatly appreciate it.
A molecular gradient can best be described as….
a homogeneous solution
neighboring solutions that have unequal concentrations of molecules
Equilibrium with respect to gases and liquids can best be described as…
the search for social equality
the end of diffusion
In this lab, we will use dialysis tubing to….
simulate biological membranes
separate blood from urine
turn starch blue
turn starch brown
Biological membranes have different types of pores and channels, and different permeabilities to small molecules depending on size and charge. In this lab, you can assume that the membranes we are using are permeable to….
water and potassium iodide
Simple sugars, or reducing sugars, can be detected with….
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If there is more solute (salt, sugar, ions) outside of a cell, and the cell membrane is not permeable to any of the solutes, what is likely to happen?
water will enter the cell
water will leave the cell
solutes will enter the cell
solutes will leave the cell
Kinetic energy is an inherent property of the atom, and therefore more complex structures such as molecules. You can actually see kinetic energy of non-living things in action under the microscope. When we visualize this, we call what we see…
all of the above
One word to describe the effect of diffusion across a membrane, which alters the water pressure on one side of the membrane with respect to the other is….
When two gases diffuse towards each other down a long tube, and somewhere in the tube a white ring forms, you can conclude that…
a chemical reaction has taken place between the gases
someone forgot to clean the tube
the gases are inert
the gases were actually unable to diffuse
If two gases of unequal molecular mass diffuse towards one another in a closed glass tube, they are more likely to react in which part of the glass tube?
the gases would meet in the middle and react
the gases would meet closer to the start of the light gas and react
the gases would meet closer to the heavy gas and react
the gases would never react
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