Recent Lessons

Show all results for ""

Feature Overview

Ace your exams with our all-in-one platform for creating and sharing quizzes and tests.

Quizzes

Create quizzes and tests automatically from your content using AI.

Flashcards

Automatically turn your notes into digital flashcards.

Share, Export & Embed

Share with classmates or export to Excel and your learning management system.

Stats & Reporting

Auto-grading quizzes and tests with detailed stats and reports.

Mobile Apps

The smarter way to study – wherever you are.

Pricing

Search...

Effect of Temperature and Particle Size on Reaction Rate

11 Questions

0 Views

Effect of Temperature and Particle Size on Reaction Rate

Choose a study mode

Play Quiz

Study Flashcards

Spaced Repetition

Chat to lesson

Podcast

Play an AI-generated podcast conversation about this lesson

Questions and Answers

How does increasing the temperature affect the reaction rate?

Results in fewer particles being available for collision

Lowers the activation energy required

Decreases the number of collisions

Increases the kinetic energy of particles (correct)

How does decreasing particle size impact the reaction rate?

Increases surface area for more collisions (correct)

Reduces the number of collisions

Decreases kinetic energy of particles

Lowers the activation energy

What happens to lipids at low temperatures according to the text?

They evaporate

They become liquid

They coagulate (correct)

They solidify

How does an increase in concentration impact the rate of reaction?

Enhances the kinetic energy of particles Signup and view all the answers

What effect does an increase in surface area have on collision theory?

Provides more particles available for collision Signup and view all the answers

Which of the following factors affects the rate of a chemical reaction?

All of the above Signup and view all the answers

What is the role of concentration in the collision theory of chemical reactions?

Increased concentration ensures there will be more collisions between particles, increasing the probability of effective collisions. Signup and view all the answers

According to the collision theory, for a chemical reaction to occur, what must happen to the particles involved?

Both a and b are correct. Signup and view all the answers

In the experiments described, which setup had the fastest reaction?

Baking soda and vinegar Signup and view all the answers

What is the definition of temperature according to the text?

The degree of hotness or coldness measured on a definite scale. Signup and view all the answers

What is the definition of concentration according to the text?

The amount of a component (matter) in a given area or volume. Signup and view all the answers