Table of contents

Prepare for your exams

Upload your syllabus and get recommendations on what to study and when. No syllabus? Sharing your exam schedule works too.

Skip topic navigation

1. The Chemical World(0)

The Scientific Method
(0)

2. Measurement and Problem Solving(0)

Scientific Notation
(0)

SI Units (Simplified)
(0)

Metric Prefixes
(0)

Significant Figures (Simplified)
(0)

Significant Figures: Precision in Measurements
(0)

Significant Figures: In Calculations
(0)

Conversion Factors (Simplified)
(0)

Dimensional Analysis
(0)

Density
(0)

Density of Non-Geometric Objects
(0)

3. Matter and Energy(0)

Classification of Matter
(0)

States of Matter
(0)

Physical & Chemical Changes
(0)

Chemical Properties
(0)

Physical Properties
(0)

Temperature (Simplified)
(0)

Law of Conservation of Mass
(0)

Nature of Energy
(0)

First Law of Thermodynamics
(0)

Endothermic & Exothermic Reactions
(0)

Heat Capacity
(0)

Thermal Equilibrium (Simplified)
(0)

Intensive vs. Extensive Properties
(0)

4. Atoms and Elements(0)

The Atom (Simplified)
(0)

Subatomic Particles (Simplified)
(0)

Isotopes
(0)

Ions (Simplified)
(0)

Atomic Mass (Simplified)
(0)

Periodic Table: Element Symbols
(0)

Periodic Table: Classifications
(0)

Periodic Table: Group Names
(0)

Periodic Table: Representative Elements & Transition Metals
(0)

Periodic Table: Phases (Simplified)
(0)

Periodic Table: Main Group Element Charges
(0)

Atomic Theory
(0)

Rutherford Gold Foil Experiment
(0)

5. Molecules and Compounds(0)

Law of Definite Proportions
(0)

Periodic Table: Elemental Forms (Simplified)
(0)

Naming Monoatomic Cations
(0)

Naming Monoatomic Anions
(0)

Polyatomic Ions
(0)

Naming Ionic Compounds
(0)

Writing Formula Units of Ionic Compounds
(0)

Naming Acids
(0)

Naming Binary Molecular Compounds
(0)

Molecular Models
(0)

Calculating Molar Mass
(0)

6. Chemical Composition(0)

Empirical Formula
(0)

Molecular Formula
(0)

Mole Concept
(0)

Mass Percent
(0)

7. Chemical Reactions(0)

Chemical Reaction: Chemical Change
(0)

Balancing Chemical Equations (Simplified)
(0)

Solubility Rules
(0)

Electrolytes (Simplified)
(0)

Molecular Equations
(0)

Types of Chemical Reactions
(0)

Complete Ionic Equations
(0)

Gas Evolution Equations (Simplified)
(0)

8. Quantities in Chemical Reactions(0)

Stoichiometry
(0)

Limiting Reagent
(0)

Percent Yield
(0)

Thermochemical Equations
(0)

9. Electrons in Atoms and the Periodic Table(0)

Wavelength and Frequency (Simplified)
(0)

Electromagnetic Spectrum (Simplified)
(0)

Bohr Model (Simplified)
(0)

Emission Spectrum (Simplified)
(0)

Electronic Structure
(0)

Electronic Structure: Shells
(0)

Electronic Structure: Subshells
(0)

Electronic Structure: Orbitals
(0)

Electronic Structure: Electron Spin
(0)

Electronic Structure: Number of Electrons
(0)

The Electron Configuration (Simplified)
(0)

The Electron Configuration: Condensed
(0)

Ions and the Octet Rule
(0)

Valence Electrons of Elements (Simplified)
(0)

Periodic Trend: Metallic Character
(0)

Periodic Trend: Atomic Radius (Simplified)
(0)

Periodic Trend: Ionization Energy (Simplified)
(0)

Periodic Trend: Electron Affinity (Simplified)
(0)

Electron Arrangements
(0)

The Electron Configuration: Exceptions (Simplified)
(0)

10. Chemical Bonding(0)

Lewis Dot Symbols (Simplified)
(0)

Ionic Bonding
(0)

Covalent Bonds
(0)

Lewis Dot Structures: Neutral Compounds (Simplified)
(0)

Bonding Preferences
(0)

Multiple Bonds
(0)

Lewis Dot Structures: Multiple Bonds
(0)

Lewis Dot Structures: Ions (Simplified)
(0)

Lewis Dot Structures: Exceptions (Simplified)
(0)

Resonance Structures (Simplified)
(0)

Valence Shell Electron Pair Repulsion Theory (Simplified)
(0)

Electron Geometry (Simplified)
(0)

Molecular Geometry (Simplified)
(0)

Bond Angles (Simplified)
(0)

Dipole Moment (Simplified)
(0)

Molecular Polarity (Simplified)
(0)

11 Gases(0)

Pressure Units
(0)

Kinetic Molecular Theory
(0)

The Ideal Gas Law
(0)

The Ideal Gas Law Derivations
(0)

The Ideal Gas Law Applications
(0)

Chemistry Gas Laws
(0)

Chemistry Gas Laws: Combined Gas Law
(0)

Standard Temperature and Pressure
(0)

Dalton's Law: Partial Pressure (Simplified)
(0)

Gas Stoichiometry
(0)

12. Liquids, Solids, and Intermolecular Forces(0)

Intermolecular Forces (Simplified)
(0)

Intermolecular Forces and Physical Properties
(0)

Atomic, Ionic and Molecular Solids
(0)

Heating and Cooling Curves
(0)

13. Solutions(0)

Solutions
(0)

Solubility and Intermolecular Forces
(0)

Solutions: Mass Percent
(0)

Molarity
(0)

Osmolarity
(0)

Solubility: Temperature Effect
(0)

Intro to Henry's Law
(0)

Dilutions
(0)

Solution Stoichiometry
(0)

Molality
(0)

The Colligative Properties
(0)

Boiling Point Elevation
(0)

Freezing Point Depression
(0)

Osmosis
(0)

14. Acids and Bases(0)

Acid-Base Introduction
(0)

Arrhenius Acid and Base
(0)

Bronsted Lowry Acid and Base
(0)

Acid and Base Strength
(0)

The pH Scale
(0)

Auto-Ionization
(0)

pH of Strong Acids & Bases
(0)

Acid-Base Reactions
(0)

Buffers
(0)

Strong Acid Strong Base Titrations (Simplified)
(0)

15. Chemical Equilibrium(0)

Rate of Reaction
(0)

Energy Diagrams
(0)

Chemical Equilibrium
(0)

The Equilibrium Constant
(0)

Le Chatelier's Principle
(0)

Solubility Product Constant (Ksp)
(0)

16. Oxidation and Reduction(0)

Calculate Oxidation Numbers
(0)

Redox Reactions
(0)

Spontaneous Redox Reactions
(0)

Balancing Redox Reactions: Acidic Solutions
(0)

Balancing Redox Reactions: Basic Solutions
(0)

Galvanic Cell (Simplified)
(0)

17. Radioactivity and Nuclear Chemistry(0)

Types of Radiation
(0)

Alpha Decay
(0)

Beta Decay
(0)

Gamma Emission
(0)

Positron Emission
(0)

Radioactive Half-Life
(0)

Measuring Radioactivity
(0)

12. Liquids, Solids, and Intermolecular Forces

Heating and Cooling Curves

12. Liquids, Solids, and Intermolecular Forces

Heating and Cooling Curves: Videos & Practice Problems

Video Lessons Practice Worksheet

Heating and Cooling Curves Practice Problems

20 problems

Problem 1Multiple Choice

What is the boiling point of water at standard atmospheric pressure?

views

Problem 2Multiple Choice

At what temperature does water freeze under normal atmospheric conditions?

views

Problem 3Multiple Choice

What does a flat line on a heating curve indicate?

views

Problem 4Multiple Choice

During a phase change, what happens to the temperature of a substance?

views

Problem 5Multiple Choice

How much heat is required to melt 100. g of ice at 0.00°C? (ΔH of fusion for water = 334 J/g)

views

Problem 6Multiple Choice

Which state of water has the highest specific heat capacity?

views

Problem 7Multiple Choice

Why does water have different specific heat capacities in its solid, liquid, and gaseous states?

Problem 8Multiple Choice

Why does the phase change from liquid to gas require more energy than from solid to liquid?

Problem 9Multiple Choice

Which phase change requires the most energy input: melting, boiling, or sublimation?

Problem 10Multiple Choice

Why is the process of heating a substance considered endothermic?

Problem 11Multiple Choice

What characterizes an exothermic process in a cooling curve?

Problem 12Multiple Choice

What is the relationship between ΔH of vaporization and ΔH of condensation?

Problem 13Multiple Choice

How are ΔH of fusion and ΔH of freezing related?

Problem 14Multiple Choice

In a cooling curve, what happens to the kinetic energy of the molecules?

Problem 15Multiple Choice

What is the primary energy transformation during a phase change in a heating curve?

Problem 16Multiple Choice

If 200 g of steam is cooled from 120°C to 100°C, how much heat is released? (Specific heat of steam = 2.0 J/g°C)

Problem 17Multiple Choice

How much heat is released when 150. g of water condenses at 100. °C? (ΔH of condensation for water = -2260 J/g)

Problem 18Multiple Choice

Which of the following statements is true about the specific heat of water in different states?

Problem 19Multiple Choice

Why does steam have a lower specific heat capacity compared to liquid water?

Problem 20Multiple Choice

Which phase change involves the greatest increase in potential energy: melting, boiling, or sublimation?

Atomic, Ionic and Molecular Solids Practice Problems Solutions Practice Problems

Helpful Calculators for These Questions

Boiling Point at Altitude Calculator

Compute boiling temperature vs. altitude using Antoine or Clausius–Clapeyron

Download the Mobile app

Accessibility

Privacy

Do not sell my personal information