CHEMICAL PRINCIPLES THE QUEST FOR INSIGHT 7TH EDITION EXAM REVIEW TESTED QUESTIONS WITH 100 PERCENT CORRECT ANSWERS

CHEMICAL PRINCIPLES THE QUEST FOR
INSIGHT 7TH EDITION EXAM REVIEW
TESTED QUESTIONS WITH 100 PERCENT
CORRECT ANSWERS

◉ true
Answer: true/false: multiple hydrogen bonds stabilize molecules


◉ molecular mass
Answer: the sum of the atomic masses in a molecule


◉ its molecular mass in grams
Answer: what is one mol of a substance


◉ dalton (da) or atomic mass unit (amu)
Answer: the unit of molecular mass


◉ chemical reactions
Answer: involve the making or breaking of bonds between atoms


◉ activation energy

,Answer: energy needed to break a bond


◉ a change in chemical energy
Answer: occurs in a chemical reaction


◉ endergonic reactions
Answer: reactions that absorb energy


◉ exergonic reactions
Answer: reactions that release energy


◉ synthesis reactions
Answer: occur when atoms, ions, or molecules combine to form new,
larger molecules


◉ anabolism
Answer: the synthesis of molecules in a cell


◉ decomposition reactions
Answer: occur when a molecule is split into smaller molecules


◉ catabolism

, Answer: includes the decomposition reactions in a cell


◉ exchange reactions
Answer: are part synthesis and part decomposition reactions


◉ can occur in either reaction
Answer: which direction does a chemical reaction occur in


◉ false, some do need special conditions
Answer: true false: some chemical reaction directions do NOT need
special conditions


◉ organic compounds
Answer: always contain carbon and hydrogen; are often structurally
complex


◉ inorganic compounds
Answer: typically lack carbon; usually small and structurally simple


◉ inorganic
Answer: is water organic or inorganic