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Boiling Point Teacher Resources
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Explore the properties of solutions with a lab activity. Chemistry fans determine the boiling point of water, add salt to create a solution, and then repeat the process four more times. They design their own data table and then graph the results to show how the addition of salt affects the boiling point temperature. This is suitable for junior high physical science classes as well as beginning high school chemists. Notes for setting up the lab are also included.
In this molal boiling point worksheet, students complete a virtual lab experiment to determine the molal boiling point constant of water. Students use a calorimeter to measure the boiling point of water at the current atmospheric pressure and then they measure the boiling point of a salt solution. Students use their data to find the molal boiling point constant for water.
Have you ever wondered why cities in cold climates put salt on the roads to help keep ice from forming? In this chemistry video, Sal explains why the introduction of salt molecules suppresses, or delays, the formation of ice crystals from liquid water. Additionally, he explains how the boiling point of water can be raised by adding certain substances to water. Very interesting!
Students identify the boiling point elevation. In this investigative instructional activity students differentiate between different properties in a solution.
This handout details different concepts and calculations with three example problems. This well-thought-out worksheet even includes a chart of boiling point elevation and freezing point depression constants. Use this resource as a teaching tool and practice for your chemistry class.
In this colligative properties worksheet, students read about freezing point depression and boiling point elevation. They answer three questions about these colligative properties and the effects of salt on icy roads and sea water.
Here is an attractive learning exercise that walks chemistry learners through a review of aqueous solutions. There are matching, short answer, and multiple choice questions dealing with boiling and freezing points, precipitate, molality, net ionic equations, and osmotic pressure, all colligative properties. Assign it as homework to help prepare for a quiz.
In this molality and colligative properties worksheet, students determine the molality of solutions and they calculate freezing point depressions and boiling point elevations of solutions.
In this phase change worksheet, students answer four questions including bonding in gases, a question about boiling points, triple points and molality.
In this physical equilibrium worksheet, students answer a variety of questions about changes in temperature of solutions and the effects on the solution. They calculate molality, boiling points, freezing points, and mole fractions in solutions.