Chemistry SOL 2004 (Complete)

If a student needed to obtain 8.0 mL of a liquid for an experiment, the appropriate piece of laboratory equipment to use would be a —

• 50 mL beaker

• 1.0 mL pipet

• 50 mL flask

• 10.0 mL graduated cylinder

How many grams of sodium chloride are required to prepare 500.0 mL of a 0.100 M solution?

• 1.46 g

• 2.93 g

• 29.3 g

• 58.5 g

Which of the following best describes why an experiment should be repeated?

• To organize the data

• To produce a variety of results

• To include another variable

• To verify the observed results

Which of these is the general formula for a double-replacement reaction?

• A + B → AB

• AB + XY → BA + YX

• AB + XY → AY + XB

• A + B + XY → AX + BY

The correct formula of an ionic compound containing Al³⁺ and CO₃²⁻ is —

• AlCO₃

• Al(CO₃)₃

• Al₂(CO₃)₃

• Al₃(CO₃)₂

Which of the following orbital diagrams is incorrect because it violates Hund’s rule?

• F

• G

• H

• J

The graph shows the rate of a certain reaction as a function of temperature. According to the graph, in order to double the rate of the reaction at 20°C, the temperature must be increased by approximately —

• 10°C

• 20°C

• 30°C

• 40°C

Tags

NGSS.HS-PS1-5

Which of the following is the balanced chemical equation for the reaction shown above?

• Al + H₂SO₄ → Al₂(SO₄)₃ + H₂

• 2Al + 3H₂SO₄ → Al₂(SO₄)₃ + 3H₂

• 2Al + 8H₂SO₄ → Al₂(SO₄)₃ + H₂

• 2Al + H₂SO₄ → Al₂(SO₄)₃ + H₂

Tags

NGSS.HS-PS1-2

NGSS.HS-PS1-7

If a lab group were using hydrochloric acid to perform a substitution reaction, which precaution would not be a concern?

• Flammability

• Health

• Reactivity

• Contact

How many grams of product Z will be formed if 12.0 g of W react with 10.0 g of X to form 8.0 g of product Y in the reaction shown?

• 8.0 g

• 10.0 g

• 12.0 g

• 14.0 g

Tags

NGSS.HS-PS1-7