This is the book that defined the intro chemistry market 35 years ago! And it??s been a market leader ever since! Hein/Arena is known for its accuracy, clear no-nonsense approach, and direct writing style. Strong problem solving and carefully constructed problem sets make this book a stand-out among its many imitators. New to This Edition: "h 10-12 new problems at the end of each chapter "h new set of challenge problems throughout "h Updated Chapter...