[Exam] SAT Subject Chemistry Test
SAT Subject Chemistry (25 minutes)
Press "Next" to start.
SAT Subject Chemistry (25 minutes)
Press "Next" to start.
1. This is the energy change that accompanies the combining of elements in their natural states to
A) Reduction potential
B) Ionization energy
C) Electronegetivity
D) Heat of formation
E) Activation energy
F) I don't really know
2. The element with atomic number 32 describes
A) A metal
B) A nonmetal
C) A metalloid
D) A halogen
E) A noble gas
3. What types of orbitals will be present when the principal quantum number of a shell is equal to 4?
A) s
B) s and p
C) s, p, and d
D) s, p, d, and f
E) s, p, d, f, and g
4. The shape of a PCl3 molecule is described as
A) Bent
B) Trigonal planar
C) Linear
D) Trigonal pyramidal
E) Tetrahedral
5. How many pi electrons in acetylene (C2H2)?
A) 1
B) 2
C) 4
D) 6
E) 8
6. Which of the following is the WEAKEST attractive force?
A) Dipole-dipole forces
B) Coordinate covalent bonding
C) Covalent bonding
D) Polar covalent bonding
E) Ionic bonding
7. To what volume, in milliliters, must 50.0 milliliters of 3.50 M H2SO4 be diluted in order to make 2.00 M H2SO4?
A) 25.0
B) 60.1
C) 87.5
D) 93.2
E) 101
8. From 2 moles of KClO3 how many liters of O2 can be produced at STP by decomposition of all the KClO3?
A) 11.2
B) 22.4
C) 33.6
D) 44.8
E) 67.2
9. For the following equation, Fe2O3 + 3CO -> 2Fe + 3CO2, when 3.0 moles Fe2O3 is allowed to completely react with 56 g CO, approximately how many moles of iron (Fe) are produced?
A) 0.7
B) 1.3
C) 2.0
D) 2.7
E) 6.0
10. The two most important considerations in deciding whether a reaction will occur spontaneously are
A) The stability and state of the reactants
B) The energy gained and the heat evolved
C) A negative value for ΔH and a positive value for ΔS
D) A positive value for ΔH and a negative value for ΔS
E) The endothermic energy and the structure of the products
11. Which value best determines whether a reaction is spontaneous?
A) Change in Gibbs free energy, ΔG
B) Change in entropy, ΔS
C) Change in kinetic energy, ΔKE
D) Change in enthalpy, ΔH
E) Change in heat of formation, ΔH°f
12. What is ΔHreaction for the decomposition of 1 mole of sodium chlorate?
(ΔH°f values: NaClO3 (s) = -85.7 kcal/mol, NaCl (s) = -98.2 kcal/mol)
(ΔH°f values: NaClO3 (s) = -85.7 kcal/mol, NaCl (s) = -98.2 kcal/mol)
A) -183.9 kcal
B) -91.9 kcal
C) -25.0 kcal
D) +12.5 kcal
E) -12.5 kcal
13. Which of the following does NOT react with a dilute solution of sulfuric acid?
A) NaNO3
B) Na2S
C) Na3PO4
D) Na2CO3
E) NaOH
14. What is the pOH of a solution that has 0.00001 mole of H3O+/ liter of solution?
A) 2
B) 3
C) 4
D) 5
E) 9
15. How many moles of KOH are needed to neutralize 196 grams of sulfuric acid? (H2SO4 = 98 amu)
A) 1.0
B) 1.5
C) 2.0
D) 4.0
E) 6.0
16. What is the Ksp for silver acetate if a saturated solution contains 2 x 10-3 moles of silver ion/liter of solution?
A) 2 x 10-3
B) 2 x 10-6
C) 4 x 10-3
D) 4 x 10-6
E) 4 X 106
A) I only
B) III only
C) I and II only
D) II and III only
E) I, II, and III
18. Which of the following statements is true?
A) A catalyst cannot lower the activation energy.
B) A catalyst can lower the activation energy.
C) A catalyst affects only the activation energy of the forward reaction.
D) A catalyst affected only the activation energy of the reverse reaction.
E) A catalyst is permanently changed after the activation energy is reached.
19. Redox reactions include which of the following?
I. Na2S(aq) +PbCl2 (aq) -> NaCl(s) + PbS(s)
II. CH4 (g) + O2 (g) -> CO2 (g) + H2O (l)
III. H2 (g) + O2 (g) -> H2O(l)
I. Na2S(aq) +PbCl2 (aq) -> NaCl(s) + PbS(s)
II. CH4 (g) + O2 (g) -> CO2 (g) + H2O (l)
III. H2 (g) + O2 (g) -> H2O(l)
A) I only
B) III only
C) I and II only
D) II and III only
E) I, II, and III
20. Would the reaction shown below be spontaneous? Why or why not?
ZnCl2(aq) + Au(s) -> Zn(s) + AuCl3(aq)
ZnCl2(aq) + Au(s) -> Zn(s) + AuCl3(aq)
A) Yes, gold is more active than zinc.
B) No, gold is less active than zinc.
C) Yes, gold is less active than zinc.
D) No, gold is more active than zinc.
E) No, gold and zinc have the same activity.
21. How many moles of electrons are needed to electroplate a deposit of 54 grams of silver from a silver nitrate solution?
A) 0.5
B) 1
C) 27
D) 54
E) 108
{"name":"[Exam] SAT Subject Chemistry Test", "url":"https://www.quiz-maker.com/QJNPHFS","txt":"SAT Subject Chemistry (25 minutes), 1. This is the energy change that accompanies the combining of elements in their natural states to, 2. The element with atomic number 32 describes","img":"https://cdn.poll-maker.com/41-1363165/c17.png?sz=1200"}
