Acids and Bases Flashcards
Under what conditions does 1 mole of hydrogen gas occupy 22.4L ?
A. 1 atmosphere and 1K
B. 101.3 kpa and 273K
C. 20 kpa and 760K
D. 14.7 mmHg and 0K
B
Which element is most similar to oxygen?
A. Carbon
B. Nitrogen
C. Sulfur
D. Fluorine
C
Which of the following is considered PURE?
A. Tap water
B. Brass
C. 14K gold
D. Table salt
B
Why do you smell perfume across a room?
Perfume molecules move randomly
Which pH indicates highest ionization of H+ from HCl?
A. 2 B. 6 C. 7 D. 8 E. 13
A
Sodium and chlorine bond to form NaCl. What type of bond holds them together ?
Ionic
Which of the following is a compound that would best neutralize an acid?
A. Water
B. Acid
C. Base
C
Which ion would cause a solution to have a pH of 2?
A. Na+
B. OH-
C. H+
D. Cl-
C
What makes a substance react faster ?
Break substance into smaller pieces
What would make a reaction happen SLOWER ?
Cool it
Which will drive the reaction to the right?
N2 + 3H2 <=> 2NH3 + 92kj
A. Less pressure
B. More NH3
C. Cool it
D. Less H2
A
Is HCl an acid or base?
Acid
Is NaOH an acid or base?
Base
Is NaCl an acid or base?
Neither
Is H2O an acid or base?
Both