Which of the following options correctly describe the units used to express electrical potential, charge, and electrical energy? Select all that apply. Multiple select question.

The volt is the unit for electrical potential.

Electrical energy can be measured in joules.

The coulomb is the unit for cell emf.

The unit for the electrical charge has the symbol F.

1 joule = 1V1C

answer is: c. the experiment shows that the red substance experienced a chemical change.

this is chemical change (chemical reaction), because two new substances are formed (metalig liquid and gas), the atoms are rearranged and the reaction is followed by an energy change.

this is example of chemical decomposition.

chemical decomposition (analysis) is the separation of a single chemical compound into its two or more elemental parts or to simpler compounds.  

chemical decomposition is opposite of chemical synthesis.

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answer: i have one answer

acids are substances that ionize (break off) in an aqueous solution to produce hydrogen (h+) ions

explanation:

hope this and sorry i could only come up with one answer!