Which of the following is not required for osmosis to occur?

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Which of the following is not required for osmosis to occur?

selectively permeable membrane

water

concentration gradient

cellular energy

An element x is found to have a mass number of 31 and atomic number of 17. idenrify the group and the period to which it belongs?

What volume of a 3.0 M stock solution of H2SO4 is needed to prepare 2.8 L of a 1.6 M H2SO4 solution?

Why is neon in the same group on the periodic table as helium?

When grains are being refined to make flour, they lose the iron that they contain naturally. Bread producers will add the original amount of iron back to the flour so that consumers can still get their iron. This is an example of A. fabrication B.

Phase change occurs in which of the following

How would non secretion of of saliva effect digestion of food in the mouth.

Which of the following is insoluble in water? a." (NH) SO b. Na so c. Maso d. ZnSO e Baso

What is the difference between a root word and a combining form? List 2 examples of combining form

What is the octet rule and how does it explain the formation of ionic compounds?

Can somebody explain step by step how to solve decomposition reactions?