A&P Chapter 2
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