Predict what happens when Nickel (s) is added to a solution of Lead (II) iodide. (Use Ni+2 if a reaction occurs.) *

a. No reaction occurs
b. Nickel (11) iodide forms
c. Lead (II) nickel iodide forms
d. Hydroiodic acid forms
e. lodine gas forms

Which of the following signs of a chemical reaction are observed in the reaction of potassium with water? precipitate formed temperature change smell produced gas produced color change

All cells are made of four types of acids, lipids, proteins, and carbohydrates.

Predict the reactants of this chemical reaction. that is, fill in the left side of the chemical equation. be sure the equation you submit is balanced. (you can edit both sides of the equation to balance it, if you need to.) note: you are writing the molecular, and not the net ionic equation. > cacl2(aq) + h20(l)