1972 Ap Chemistry [extra Quality] Free Response Answers -

Even in 1972, partial credit was king. Always write out the formula before plugging in numbers.

PCl5(g)⇌PCl3(g)+Cl2(g)cap P cap C l sub 5 open paren g close paren is in equilibrium with cap P cap C l sub 3 open paren g close paren plus cap C l sub 2 open paren g close paren 1972 ap chemistry free response answers

Are you struggling more with or conceptual explanations ? Even in 1972, partial credit was king

The 1970s exams were strict about "sig figs." Always round your final answer based on the least precise measurement given. Even in 1972