Online Homework and Complete Course Solution for Introductory Chemistry

What do we offer for General Chemistry?

  • A complete solution for teaching your course: Online homework, editable eBook options, and course materials support designed to work together smoothly.
  • Homework Coverage: The library of assessments contain end-of-chapter exercises from OpenStax Chemistry 2e. and Atoms first version, and is supplemented by original questions developed by the Expert TA content team.
  • Accessibility: Our platform and content are designed to be WCAG 2.1 Level AA compliant. Learn More
  • Advanced question types: Symbolic expressions, structured multi-step calculations, and interactive graphical questions such as drag-and-drop labeling, ranking, sorting, and matching.
  • Problem authoring: Instructors can create their own questions using the same powerful question types. Learn More
  • Edit the OpenStax Chemistry textbooks: Fully edit either Chemistry 2e or Chemistry: Atoms First 2e, and optionally import your own materials directly into the flow of the book.
  • Instructor course materials: Digital distribution and compliance support — we can help import materials, ensure accessibility, and prepare them for distribution through the platform. Learn More
  • LMS integration: LTI 1.3 support for single sign-on and grade sync.
  • Pricing: $35 per student for the full package (online homework system + editable eBook), avaialbe with direct-to-student model or all-inclusive institutional model.

Pricing Detail

  • Customized eBook Collection (instructor edits included): $15 per student per course
  • eBook + Online Assessment Platform: $35 per student per course

Editable eBooks & OpenStax Chemistry

Many instructors are trying to transition to more affordable resources while still maintaining a high-quality course experience.

We help make that practical by pairing enhanced online homework with editable, digitally distributed OpenStax Chemistry textbooks.

Students access the text through full featured eReader, complete with ability to annotate and hightlight, print or save to PDF the full book or any portion of, and instructors have the via the highlights and annotations to message the class directly from withing the book, in order to draw attention important areas.

OpenStax Chemistry: Atoms First 2e
 
OpenStax Chemistry 2e

Chemistry 2e and Atoms First

  • Chemistry 2e: Designed for the scope and sequence of a standard two-semester general chemistry course, with an emphasis on core concepts, real-world applications, and improved clarity in the revised edition.
  • Chemistry: Atoms First 2e: An atoms-first approach that introduces atomic and molecular structure earlier and threads those ideas through later topics, helping some students build intuition before more abstract quantitative work.

A Powerful Editing Platform

  • Foundation: Rich Text Editor, built-in Equation Editor, MathML/LaTeX support, and WCAG 2.1 AA compliant workflows.
  • Scope and sequence edits: Reorder, add/remove chapters or sections, then digitally distribute your customized book in one click.
  • Copy editing: Edit text, add/edit images, embed videos and simulations, and integrate instructor-created materials.

Our Content and Question Types

Expert TA provides a robust online homework platform for the full introductory chemistry sequence. The collection combines end-of-chapter coverage from OpenStax Chemistry 2e and Chemistry: Atoms First 2e with original content and engaging interactive question types.

The result is a library that supports everything from foundational concepts through the structured, multi-step quantitative skills students must develop.

Hints and Feedback: Process-specific, Socratic feedback is available to students after incorrect submissions, helping them correct common misconceptions and keep moving forward.

True Partial-Credit: Even with limited attempts (like quizzes and exams), near-miss answers can earn partial credit when the submitted work demonstrates meaningful progress.

Scaffolded Questions: Multi-step problems reinforce a structured problem-solving process — ideal for topics like stoichiometry, equilibrium, thermochemistry, and kinetics.

Stoichiometry and Structured Problem Solving

Chemistry students often struggle when the math feels disconnected from the concepts.
Our chemistry problem sets are designed to emphasize a repeatable problem-solving process with careful attention to units and intermediate relationships.

This is especially valuable in topics such as:

  • Reaction stoichiometry (limiting reagents, percent yield, solution stoichiometry)
  • Thermochemistry and calorimetry
  • Equilibrium, acids/bases, and solubility
  • Kinetics and rate laws

Symbolic Expressions and Algorithmic Questions

Many chemistry questions require students to build expressions, carry units, and compute with randomized values.
Expert TA’s math engine interprets the expressions students intend, and supports algorithmic question variants that allow meaningful practice while discouraging answer sharing. Instructors can also author custom questions that leverage these same capabilities.

Interactive Question Types

Expert TA includes a class of Advanced Graphical questions where students interact with diagrams, graphs, and schematic visuals.
The question types include Ranking, Sorting, Matching, and Drag-and-Drop Labeling.


Example of an interactive ranking/sorting chemistry question type

Drag-and-Drop labeling
Label molecular structures, reaction coordinate diagrams, lab equipment, particulate diagrams, and more.
Ranking
Have students actively order items related to magnitude or trend (e.g., periodic properties, acid strength, bond energy, intermolecular forces).
Sorting/Categorizing
Group compounds, reactions, or observations based on defined criteria (reaction type, bonding category, phase behavior, etc.).
Matching/Pairing
Pair concepts that belong together (structures ↔ names, units ↔ quantities, graphs ↔ interpretations, reagents ↔ outcomes).

Solutions

Having detailed and thorough solutions available to students is critical. Expert TA’s introductory chemistry library includes comprehensive, step-by-step solutions designed to reinforce good reasoning and strong quantitative habits.

  • Thorough: Students need more than a formula list — we explain why each relationship is used and how it is applied.
  • Student-specific numbers: For randomized problems, students see solutions that match their numerical values.
  • Instructor control: Control solution timing (immediate, after due date, after attempts, etc.) or disable solutions entirely.
  • Step-based release: Explanations can be revealed as students complete intermediate parts, supporting mastery learning.
  • Formatted math & chemistry notation: Textbook-quality presentation of equations and symbols (ideal for chemistry relationships, units, and multi-step work).

Solution snippet example

Student Access Models and Pricing Details

You and your students should be thinking about chemistry, not about course setup and technological configurations.
Expert TA knows this and has gone to great lengths to make the entire experience as smooth as possible.
    • Free to Instructors and Teaching Assistants: Instructor and TA access is always included at no cost.
    • Student-Paid Access Model: Students purchase access directly using a credit card or a bookstore access code. All students receive immediate access through a 14-day free trial.
    • Institutional / Tuition-Inclusive Access Model: Many schools prefer an all-inclusive access approach where course materials are provided through the institution. Expert TA supports day-one access programs and offers tier-based discount pricing based on the number of students served.

student working

Pricing Detail

  • Customized eBook Collection (instructor edits included): $15 per student per course
  • eBook + Online Assessment Platform: $35 per student per course

Student Access Models and Pricing Details

  • Free to Instructors and Teaching Assistants: Instructor and TA access is always included at no cost.
  • Student-Paid Access Model: Students purchase access directly using a credit card or a bookstore access code. All students receive immediate access through a 14-day free trial.
  • Institutional / Tuition-Inclusive Access Model: Many schools prefer an all-inclusive access approach where course materials are provided through the institution. Expert TA supports day-one access programs and offers tier-based discount pricing based on the number of students served.

Pricing Detail

  • Customized eBook Collection (instructor edits included): $15 per student per course
  • eBook + Online Assessment Platform: $35 per student per course