The symbol - R in the structural formula of an amino acid represents?

How are binary ionic compounds and binary molecular compounds similar and 2 ways they are different?

What is the theoretical Van't Hoff factor for the following substances: HCL & ethanol (CH3CH2OH)

Chemical or physical properties? titanium is less dense than water

A block as a mass of 585 g and a volume of 13 cubic centimeters. What is its density, show your work

What happens if you put sugar in someone's gas tank?

How much greater is the energy produced by a fusion reaction compared to a chemical reaction?

True or false. A bond between a metal atom and a nonmetal atom is likely an iconic bond

What is a precipitate? It is a liquid that forms from solution during a chemical reaction. It is a reactant that forms from solution during a chemical reaction. It is a solid that forms from solution during a chemical reaction.

The electron configuration for an atom is 1s22s22p2. How many electrons does the atom have? 4 2 6 5

When a piece of sodium carbonate reacts with dilute HCl, a gas X is produced. When gas X is passed through lime water then the solution turns milky and a white precipitate Y is formed a. Write the chemical formula of X, Y and (3) b.