Which contributes to the dissolution of sugar in water?

a. a strong pull of water molecules on a polar covalent compound
b. the dissociation of an ionic compound in water
c. a strong pull of water molecules on an ionic compound
d. the dissociation of a polar covalent compound in water

and it's not a or d according to my test. please help

According to the diagram; a) identify the anode of the cell and write the half-reaction that occurs there b) write the overall equation for the reaction that occurs as the cell operates c) calculate the value of the standard cell potential ,e cell. d)write the shorthand notation of the cell above e)indicate the flow of the electrons on the diagram

In the following redox reaction which is the oxidizing agent and which is the reducing agent? alcl3 + na nacl + al oxidizing agent = reducing agent =

Fossil fuels are organic compounds that are made from