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From the given answer sheet. Operationally define physical change from chemical change and how would you determine that chemical change occurred on the basis of the thought answer sheet.

From the given answer sheet. Operationally define physical change from chemical change and how would you determine that chemical change occurred on the basis of the thought answer sheet.

Introductory Chemistry: An Active Learning Approach
Introductory Chemistry: An Active Learning Approach
6th Edition
ISBN:9781305079250
Author:Mark S. Cracolice, Ed Peters
Publisher:Mark S. Cracolice, Ed Peters
Chapter10: Quantity Relationships In Chemical Reactions
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Problem 19E: The Solvay process is multistep industrial method for the manufacture of sodium carbonate, Na2CO3,...
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From the given answer sheet. Operationally define physical change from chemical change and how would you determine that chemical change occurred on the basis of the thought answer sheet. 

1. If magnesium ribbon is ignited what will be observed? We observed that it burns in the air with a bright white flame. • What will be formed after ignition? It has formed into a white powder and upon research, it was known to be maqnesium oxide. • What if you add HCI what do you think will happen? What are formed? We observed that it creates a bubble and you can see a little bit of smoke happening. Thus, producing heat. Magnesium chloride will be formed and hydrogen gas is liberated. 2. What about if you heat Zn metal and sulfur powder what will be formed? It forms an inorqanic compound called Zinc sulfide. 3. What do you think will be formed when Zn added to aqueous copper (II) chloride? ZnClz is formed as a product. 4. Operationally distinguish element from a compound. Element is a pure substance and it is made up of only 1 type of atom such as the magnesium, Zinc, and the sulfur powder in the experiment. While compound is a pure substance of 2 or more elements chemically combined. HCI (Hydrogen Chloride) is made up of hydrogen and chlorine. While MgCla (Magnesium Chloride) contains the element of magnesium and chloride. 5. What do you think is formed when you mix Nacl crystals in water? It will form into Na*a CI (a0) _If yes, how? By performing an evaporation Can you separate this? Yes , No method. Put the solution into the evaporation dish and heat the solution using a Bunsen burner. As the water evaporates, the NaCI will remain behind. You can speed up the process by raising the temperature. 8. Operationally define a solution. It is a mixture of 2 or more substances. This is formed when a solute which is the NaCl is dissolved in a solvent which is the water.
Transcribed Image Text:1. If magnesium ribbon is ignited what will be observed? We observed that it burns in the air with a bright white flame. • What will be formed after ignition? It has formed into a white powder and upon research, it was known to be maqnesium oxide. • What if you add HCI what do you think will happen? What are formed? We observed that it creates a bubble and you can see a little bit of smoke happening. Thus, producing heat. Magnesium chloride will be formed and hydrogen gas is liberated. 2. What about if you heat Zn metal and sulfur powder what will be formed? It forms an inorqanic compound called Zinc sulfide. 3. What do you think will be formed when Zn added to aqueous copper (II) chloride? ZnClz is formed as a product. 4. Operationally distinguish element from a compound. Element is a pure substance and it is made up of only 1 type of atom such as the magnesium, Zinc, and the sulfur powder in the experiment. While compound is a pure substance of 2 or more elements chemically combined. HCI (Hydrogen Chloride) is made up of hydrogen and chlorine. While MgCla (Magnesium Chloride) contains the element of magnesium and chloride. 5. What do you think is formed when you mix Nacl crystals in water? It will form into Na*a CI (a0) _If yes, how? By performing an evaporation Can you separate this? Yes , No method. Put the solution into the evaporation dish and heat the solution using a Bunsen burner. As the water evaporates, the NaCI will remain behind. You can speed up the process by raising the temperature. 8. Operationally define a solution. It is a mixture of 2 or more substances. This is formed when a solute which is the NaCl is dissolved in a solvent which is the water.
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