1. What is the net ionic equation for the reaction between a strong acid and a s
ID: 482154 • Letter: 1
Question
1. What is the net ionic equation for the reaction between a strong acid and a strong base?
2. _______ is often utilized in reactions involving bleach.
OCl2
Cl2
CO2
O2–
3. Oxidation-reduction reactions
do not need to have both an oxidation and a reduction reaction.
must include a transfer of electrons from one atom or ion to another.
can include an atom or ion being reduced without an atom or ion being oxidized.
must include oxygen.
4. In an electrolytic cell, anions move from the _______ and cations move from the _______.
voltage source to the cathode; voltage source to the anode
anode to the voltage source; cathode to the voltage source
anode to the cathode; cathode to the anode
cathode to the anode; anode to the cathode
5. Which of the following properly lists the metals in order from decreasing to increasing ease of oxidation?
K < Cu < Cr < Ag
Ag < Cr < Cu < K
K < Cr < Cu < Ag
Ag < Cu < Cr < K
6. Regarding the vaporization of water, which of the following is true?
Vaporization of water is an exothermic process.
Water must lose a great deal of heat before it will vaporize.
A great deal of heat must be lost by water to form hydrogen bonds and allow molecules to move farther apart.
A great deal of heat must be absorbed by water to break hydrogen bonds and allow molecules to move farther apart.
7. Which of the following is not a drawback of using lithium batteries?
Lithium batteries require the use of toxic materials.
Lithium batteries can require expensive materials.
Lithium is more easily oxidized than any other metal.
Lithium's reactivity can cause explosions.
8. Which element is reduced in the reaction below?
BaCl2 + Na2SO4 à NaCl + BaSO4
None
Cl
Ba
Na
9. Which is true regarding covalent substances placed in water?
The solute particles in the covalent substances are able to overcome the attractive forces between the solvent and the solute.
Covalent substances conduct electricity very well in water.
The molecules aren't separated from one another by water molecules.
Covalent substances don't dissociate into charged particles.
10. The fact that water requires a large amount of energy before its temperature changes is the result of water's
ability to exhibit surface tension.
lower density as a solid.
ability to demonstrate capillarity.
high specific heat.
11. A 25-mL sample of 0.160M solution of NaOH is titrated with 17 mL of an unknown solution of H2SO4. What is the molarity of the sulfuric acid solution?
A. 0.117M H2SO4
0.004M H2SO4
0.002M H2SO4
0.235M H2SO4
12. A weak acid placed in water contains
no unionized acid molecules.
a lower concentration of unionized acid molecules than a strong acid in water.
the same number of unionized acid molecules as a strong acid in water.
a higher concentration of unionized acid molecules than a strong acid in water.
13. Which of the following is true regarding acids and bases?
Both acids and bases cause indicator dyes to change colors.
Acids are slippery to the touch; bases are able to burn your hands.
Acids and bases will react only outside living systems.
Acids contribute hydroxide ions in solutions; bases produce hydronium ions in solutions.
14. Metals like aluminum can react with _______ to form coatings that _______ corrosion.
oxygen; prevent
iron; cause
iron; prevent
oxygen; cause
15. The requirements of atoms to be able to participate in hydrogen bonding with a hydrogen atom include all of the following except
atoms must be small.
atoms must be electronegative.
atoms must have one lone pair of electrons.
atoms must not be able to closely approach the hydrogen.
16. Which of the following pairs of reactants is not correctly listed with its product solution?
Strong base-strong acid reactants—neutral solutions
Weak base-strong acid reactants— more acidic solutions
Weak acid-strong base reactants— more basic solutions
Strong acid-strong base reactants—more acidic solutions
17. Which of the following is not a base?
H3C6H5O7
KOH
NH3
NaOH
18. Which of the following statements about the pH scale is true?
Bases, which have higher concentrations of hydronium ions than acids, are found from 0 and up to 7.
Bases, which have higher concentrations of hydronium ions than acids, are found from 14 and down to 7.
Acids, which have lower concentrations of hydronium ions than bases, are found from 14 and down to 7.
Acids, which have higher concentrations of hydronium ions than bases, are found from 0 and up to 7.
19. Electrolysis can be used for all of the following, except
recharging batteries.
producing compounds.
separating metals from ores.
plating objects with metal coatings.
20. Within a voltaic cell, _______ takes place at the anode, electrons flow to the cathode, where _____
takes place.
reduction; oxidation
reduction; current
oxidation; reduction
oxidation; current
Explanation / Answer
1. NaOH + HCl ---------> NaCl + H2O
H2SO4 + NaOH ----------> Na2SO4 + H2O
2. Cl2
chlorine is often utilized in reactions involving bleach.
4. In an electrolytic cell, anions move from the _cathode to the anode_ and cations move from the _anode to the cathode_.
5. Ag < Cu < Cr < K
Related Questions
Navigate
Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.