Sodium Hydroxide Teacher Resources
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For this soap worksheet, students make soap using sodium hydroxide and methylated spirit. They test their product on an oil stained cloth and answer four questions about their results.
In this thermometric titration worksheet, students determine the concentration of hydrochloric acid by titrating it with sodium hydroxide. Students measure the temperature of the exothermic reaction throughout the experiment to determine the endpoint.
In this thermometric titration worksheet, students titrate hydrochloric acid with sodium hydroxide to determine the concentration of hydrochloric acid. They measure the change in temperature of the solution, plot their data and use the graph to find the concentration of hydrochloric acid.
Middle school marine scientists compare the pH change in distilled and saltwater as acetic acid is added one drop at a time. Then they compare the pH change in both when sodium hydroxide is added. This experiment demonstrates the buffering ability of sea water. They apply the results to the waters around the Lost City hydrothermal vents.
In this qualitative analysis worksheet, students read about all the different tests that can be done in chemistry to give qualitative results. Tests include flame tests, forming precipitates with sodium hydroxide, using sodium hydroxide to produce ammonia and testing for ions using different chemicals such as silver nitrate.
Students participate in a simulation of how diseases are transmitted. Each student holds a test tube, with only one containing the "disease" while the others have water. They move around the room until told to stop. Using droppers to place some of their solution into their neighbor's tube, they are spreading the disease. Finally, they try to determine the original source of the infection.
These two sheets give multiple paragraphs of trivia, background and chemical information about strong acid and base compounds. There are six review questions for each. This activity provides strong practice in technical fact-based comprehension.
In this acids and bases activity, students test the pH of different solutions to determine if it is basic or acidic. Students complete 7 short answer questions based on their results.
The use of acid-base titration as a way to find the mass of oxalic acid is the focus of this chemistry video. Sal takes a sample problem from a chemistry textbook and solves it. The math involved in the process is quite complex.
In a hypothetical scenario, food chemists use titration to concoct a brine solution for producing the crunchiest pickles. They also analyze store-bought pickle juices. In addition to reinforcing titration techniques, the lesson requires the use of significant figures and calculation of percent error. Consider this detail-oriented lab as a fun spin on the typical titration exercise!
Introduce high schoolers to chemical reactions with this series of activities. In a little over an hour, scientists observe four gas-producing reactions: the combination of hydrochloric acid and sodium hydroxide, placing pasta in vinegar, decomposition of ammonium chloride, and the mixing of iron with sodium chloride and water. In each, they identify the indicator that a chemical reaction occurred. The way the lesson is written leaves you well-prepared.
Students explain the Chatelier's Principle. In this pH instructional activity, students identify factors that resist changes in pH of the ocean and why the ocean is becoming more acidic.
Does the change in energy of matter lead to a change in mass? Upcoming chemists compare the mass of equal-volume, but different-temperature liquids and materials both before and after a chemical reaction has occurred. In another activity, they examine product labels to find commonly used elements and compounds. They use zinc and sodium hydroxide to change the chemical makeup of a penny. These activities, though pertinent to chemistry, are only slightly related to each other. You may want to use some and not others depending on what concepts you are teaching.
Sal reviews exactly what an "Equivalence Point" is, and what it means. He constructs two graphs; one uses a stronger acid than the other, and demonstrates how to determine the "Half-Equivalence Point," which is the point where the acid and the base present in the solution are exactly equal to each other.
Seventh graders investigate acids and bases. For this acids and bases lesson, 7th graders use household items such as coffee, lemons and soap to define acids and bases. They observe a demonstration to show how indicators determine if a solution is an acid or a base. They observe red and blue litmus paper tests and they conclude the lesson by testing common household substances with litmus paper to determine if they are acids or bases.
Students write and balance five chemcial equations which have been observed throughout the process of completing the experiment. They use vacuum filtration to recover suspeneded particals from a colloidal suspension. Students correctly identify the copper or copper minerals in a recoverd sample of copper material
For this thermometric titration worksheet, learners determine the concentrations of hydrochloric acid and ethanoic acid using a titration where they measure the temperature of the solution as they titrate. The equivalence point is found by the highest temperature reached. Students use a temperature probe, pH probe and a datalogger.
Don't you wish you had the time to type up a study guide for your chemistry class? With this resource, there is no need! A chart comparing the properties of metals and non-metals tops the handout, followed by notes on the reactivity series. Finally, you will find an overview of fossil fuels. Use this as an outline for your lecture or to give a copy to junior chemists as notes or a study guide.
The pH, concentrations, and formulas are needed to complete this worksheet. Pupils should be able to list physical and chemical properties and then provide definitions and equations for common bases and their reactions. Space is provided for equations of dissociation and for the graphs for the titrations given. This is a very complete set of problems and could be used for a review packet, or even as a test set.
In this soap worksheet, students produce soap in the laboratory and test their product by washing away engine oil with their soap. Students answer four questions about tests they perform on their soap.