January 2024 Chemistry Regents Questions 41-50 Question Preview (ID: 62920)

The Questions In This Practice Exam Are Thoughtfully Crafted To Assess Your Knowledge And Skills. They Cover A Range Of Topics And Formats, Offering A Valuable Opportunity For Self-assessment And Preparation. TEACHERS: click here for quick copy question ID numbers.

Answers? Play games to get them!

Compared to a 0.10 M aqueous NaNO3 solution at 1 atmosphere, a 1.0 M aqueous NaNO3 solution at 1 atmosphere has a

a) lower freezing point and a lower boiling point

b) lower freezing point and a higher boiling point

c) higher freezing point and a higher boiling point

d) higher freezing point and a lower boiling point

What is the temperature, in degrees Celsius, of a sample of matter at 35 K?

a) -238°C

b) -308°C

c) 35°C

d) 308°C

Which graph represents the relationship between pressure and volume for an ideal gas at constant temperature?

a) 1

b) 2

c) 3

d) 4

Which equation represents a physical change?

a) H2(g) + I2(g) → 2HI(g)

b) N2(g) + 2O2(g) → 2NO2(g)

c) I2(s) → I2(g)

d) 3O2(g) → 2O3(g)

Which combination of reactants would result in the fastest reaction rate?

a) a 1.0 g strip of zinc with 10 mL of 0.20 M HCl(aq)

b) a 1.0 g strip of zinc with 10 mL of 2.0 M HCl(aq)

c) 1.0 g of powdered zinc with 10 mL of 0.20 M HCl(aq)

d) 1.0 g of powdered zinc with 10 mL of 2.0 M HCl(aq)

Which equation represents a redox reaction?

a) 1

b) 2

c) 3

d) 4

Which equation represents a reduction half-reaction?

a) 1

b) 2

c) 3

d) 4

The pH value of a solution is changed from 6.0 to 4.0. Which phrase describes the change in the hydronium ion concentration of the solution?

a) decreased by a factor of 2

b) increased by a factor of 2

c) decreased by a factor of 100

d) increased by a factor of 100

Which type of cell is represented by the diagram and what change occurs?

a) electrolytic cell; electrical energy produces a chemical change

b) electrolytic cell; a chemical change produces electrical energy

c) voltaic cell; electrical energy produces a chemical change

d) voltaic cell; a chemical change produces electrical energy

Which equation represents a nuclear fusion reaction?

a) 1

b) 2

c) 3

d) 4

Play Games with the Questions above at ReviewGameZone.com
To play games using the questions from above, visit ReviewGameZone.com and enter game ID number: 62920 in the upper right hand corner or click here.