Balance these equations ___H2SO3—>___H2O+___So2

Na2S+___HCl—->Nacl+H2s

__Fe+___Cl2—->Fecl3

Zn+___HCl__ZnCl2+___H2

Select each correct answer. more than one answer may be correct. which of the following is a characteristic of unicellular organisms? they can possess tissues and organs. all of their functions are performed by a single cell. they are usually microscopic. each of their cells is specialized to perform a specific function.

Which of the following statements about acidic water is true? a. acid has no effect on the h,o molecules. b. the solution contains a larger number of oh ions than h,o ions. c. the solution contains a larger number of h,o ions than qh ions. d. the solution contains an equal number of h,o ions and oh ions. none of the above e.

The atomic number, or number, is the described as the number of in the nucleus of an chemical element.