A&P Chapter 2

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Which of the following is true regarding hydrolysis reactions?

Water is added and building blocks are released

Which of the following is NOT a way to distinguish an acid from a base?

An acidic substance will have a sticky feel

Which of the following is false regarding carbon?

Carbon contains six valence shell electrons

Which of the following statements concerning water, salt, and electrolytes is untrue?

H+ and hydroxyl ion (OH−) are the most abundant and important salts in the body

Which of the following types of chemical reactions always involves atoms or molecules combining to form a larger, more complex molecule?

Synthesis

Which of the following is not a property of water?

Water can easily split into its component parts of H and OH in order to balance acid in the body

Which atom is present in each unlabeled corner of this simplified structure diagram?

carbon

All ions are __________

electrolytes

Something with a pH of 5 would __________

have more H+ ions than OH- ions

Lemon juice is more acidic than coffee because _____________

lemon juice has a higher concentration of hydrogen ions and therefore a lower pH value compared to black coffee

Buffers tend to prevent dramatic changes in the pH when __________ are added to a solution

proton donors or proton acceptors

The reaction shown is what type?

synthesis


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