SAT2-化学模拟题与详解Barron’s SAT Subject Test-2014-第2套.pdfVIP

Answer Sheet

P R A C T I C E T E S T 2

Determine the correct answer for each question. Then, using a No. 2

pencil, blacken completely the oval containing the letter of your choice.

Practice Test 2

Note: For all questions involving solutions and/or chemical equations, assume

that the system is in water unless otherwise stated.

Reminder: You may not use a calculator on these tests.

The following symbols have the meanings listed unless otherwise noted.

H enthalpyT temperatureL liter(s)

M molarV volumemL milliliter(s)

n number of molesatm atmospheremm millimeter(s)

P pressureg gram(s)mol mole(s)

R molar gas constantJ joules(s)V volt(s)

S entropykJ kilojoules

Part A

Directions: Every set of the given lettered choices below refers to the

numbered statements or formulas immediately following it. Choose the one

lettered choice that best fits each statement or formula and then fill in the

corresponding oval on the answer sheet. Each choice may be used once,

more than once, or not at all in each set.

Questions 1–4 refer to the following terms:

(A) Law of Definite Composition

(B) Nuclear fusion

(C) van der Waals forces

(D) Graham’s Law of Diffusion (Effusion)

(E) Triple point

1. At a particular temperature and pressure, three states of a substance may

coexist.

2. The combining of nuclei to release energy.

3. The ratio of the rate of movement of hydrogen gas compared with the rate

of oxygen gas is 4 : 1.

4. The molecules of nitrogen monoxide and nitrogen dioxide differ by a

multiple of the mass of one