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TABLE 1 CHARACTERISTICS OF COMPOUNDS Solubility Melting Solubility in in H20 Compound Description point ethanol Aspirin Sodium chloride Sucrose Analysis 1. Organizing Results Group the substances into two groups according to their properties. 2. Organizing Results List the properties of each group. Conclusions 1. Inferring Conclusions Use your textbook and your experimental data to determine which of the groups consists of ionic compounds and which consists of covalent compounds. 2. Relating Ideas Write a statement to summarize the properties of ionic compounds and another statement to summarize the properties of covalent compounds.

TABLE 1 CHARACTERISTICS OF COMPOUNDS Solubility Melting Solubility in in H20 Compound Description point ethanol Aspirin Sodium chloride Sucrose Analysis 1. Organizing Results Group the substances into two groups according to their properties. 2. Organizing Results List the properties of each group. Conclusions 1. Inferring Conclusions Use your textbook and your experimental data to determine which of the groups consists of ionic compounds and which consists of covalent compounds. 2. Relating Ideas Write a statement to summarize the properties of ionic compounds and another statement to summarize the properties of covalent compounds.

Chemistry
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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Instruction: Imagine that you are performing an experiment pertaining to chemical bonding. Second, follow the procedures given. Lastly, just fill the table with the your proposed answer and answer the questions given below.

NOTE: JUST WRITE YOUR PROPOSED ANSWER. 

OBJECTIVES 
- Compare the melting points of four solids. - Determine the solubilities of the solids in water and in ethanol. 
- Classify the compounds into groups of ionic and covalent compounds. 
- Summarize the properties of each group.

MATERIALS 
Ice tray 
Stove 
Frying pan
Dropper
Aluminum foil 
Distilled water (Absolute, green cover) 
Sodium chloride (NaCl, Salt) 
Aspirin (C3H804, Aspilet 80mg tablet) 
Sucrose (C12H22011, Sugar)

 

TABLE 1 CHARACTERISTICS OF COMPOUNDS Solubility Melting Solubility in in H20 Compound Description point ethanol Aspirin Sodium chloride Sucrose Analysis 1. Organizing Results Group the substances into two groups according to their properties. 2. Organizing Results List the properties of each group. Conclusions 1. Inferring Conclusions Use your textbook and your experimental data to determine which of the groups consists of ionic compounds and which consists of covalent compounds. 2. Relating ldeas Write a statement to summarize the properties of ionic compounds and another statement to summarize the properties of covalent compounds.
Transcribed Image Text:TABLE 1 CHARACTERISTICS OF COMPOUNDS Solubility Melting Solubility in in H20 Compound Description point ethanol Aspirin Sodium chloride Sucrose Analysis 1. Organizing Results Group the substances into two groups according to their properties. 2. Organizing Results List the properties of each group. Conclusions 1. Inferring Conclusions Use your textbook and your experimental data to determine which of the groups consists of ionic compounds and which consists of covalent compounds. 2. Relating ldeas Write a statement to summarize the properties of ionic compounds and another statement to summarize the properties of covalent compounds.
Procedure 1. Cut a 3x3 aluminum foil. On the aluminum square, use a marker to label the 3 locations of substances (A, B, and C), evenly-spaced in a ring. 2. Place a few crystals of sodium chloride, crushed aspirin, and sucrose, and acetaminophen (or ibuprofen) next to the marker locations on the aluminum square. Try to make the amount of each substance about the same. Do not allow the samples of crystals to touch. 3. Write a brief description of each of the three substances in Table 1. 4. Place the aluminum square on a frying pan and place them on top of the stove. Try to get the foil as flat as possible. 5. Turn on to medium heat. 6. For this experiment, it is not necessary to have exact values for the melting point. The foil will continue to get hotter as it is heated, so the order of melting will give relative melting points. Note the substance that melts first. Record the order of melting for the other substances. Record as well the time it takes for the first signs of melting for each substance. 5. After 5 minutes, record in Table 1 for each substance that did not melt by encircling it. Turn off the stove. Allow the aluminum square to cool while you complete the remainder of the experiment. 6. Put a few crystals of each of the solids in your ice tray. 7. Using a dropper, add 10 drops of water to each well in the first set of 3 substances. DO NOT STIR. Record the solubility of each substance in Table 1 by writing "S" for soluble, or “NS" for not soluble. 8. Add 10 drops of ethanol from the ethanol vial to each well in the second set of 3 substances. DO NOT STIR. Record the solubility of each substance in Table 1 by writing “S" for soluble, or “NS" for not soluble.
Transcribed Image Text:Procedure 1. Cut a 3x3 aluminum foil. On the aluminum square, use a marker to label the 3 locations of substances (A, B, and C), evenly-spaced in a ring. 2. Place a few crystals of sodium chloride, crushed aspirin, and sucrose, and acetaminophen (or ibuprofen) next to the marker locations on the aluminum square. Try to make the amount of each substance about the same. Do not allow the samples of crystals to touch. 3. Write a brief description of each of the three substances in Table 1. 4. Place the aluminum square on a frying pan and place them on top of the stove. Try to get the foil as flat as possible. 5. Turn on to medium heat. 6. For this experiment, it is not necessary to have exact values for the melting point. The foil will continue to get hotter as it is heated, so the order of melting will give relative melting points. Note the substance that melts first. Record the order of melting for the other substances. Record as well the time it takes for the first signs of melting for each substance. 5. After 5 minutes, record in Table 1 for each substance that did not melt by encircling it. Turn off the stove. Allow the aluminum square to cool while you complete the remainder of the experiment. 6. Put a few crystals of each of the solids in your ice tray. 7. Using a dropper, add 10 drops of water to each well in the first set of 3 substances. DO NOT STIR. Record the solubility of each substance in Table 1 by writing "S" for soluble, or “NS" for not soluble. 8. Add 10 drops of ethanol from the ethanol vial to each well in the second set of 3 substances. DO NOT STIR. Record the solubility of each substance in Table 1 by writing “S" for soluble, or “NS" for not soluble.
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