Answer to Question #162079 in General Chemistry for Hend

Question

Answer to Question #162079 in General Chemistry for Hend

Question #162079

Part 1. Inquiring and Designing

Situation:

You found an unknown substance at home. You want to know whether the substance is an ionic compound or a covalent compound. Using your knowledge of the properties of ionic and covalent compounds, you will test whether the unknown substance dissolves in water and organic solvent or not.

1. Problem Statement _______________________________________________________

2. Hypothesis

If __________________________________________________________________

then, _______________________________________________________________

because ____________________________________________________________.

3. Variables

a. Independent variable (IV) _____________________________________________

b. How will you manipulate the IV? _______________________________________

________________________________________________________ ______

c. Dependent variable (DV) _____________________________________________

d. How will you collect sufficient, relevant data? _____________________________

______________________________________________________________

4. Procedure ___________________________________________________________________ ___________________________________________________________________ ___________________________________________________________________ ___________________________________________________________________

___________________________________________________________________

Part 2. Processing and Evaluating

Watch the experiment in this video -

https://ensschool-my.sharepoint.com/:v:/r/personal/f_nepal_adc_ens_sch_ae/Documents/Unit%20Plan/Crit%20B%26C%20-%20FA1%20-%20solubility%20of%20ionic%20and%20covalent%20compounds.mp4?csf=1&web=1&e=CnB8Ug

1. Draw a table below and record the results of the experiment.

2. What can you conclude from the result? Support your answer using scientific reasoning.

___________________________________________________________________

3. If you were to repeat the experiment, what would you do to improve it? Why would you do such improvement/modification?

___________________________________________________________________

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