___Cl2 + ___NaBr → ___NaCl + ___Br2 Which of the following coefficients will balance the chemical equation?

Iknow #2 is d. i just need to know why

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.

Can someone me with questions 15 to 17 plz.