SKS M3 U5 5.2-5.3

What type of sytem that allows transfer of heat but no transfer of mass?

• Open type

• Closed type

• Isolated typer

• Free type

Identify which pictures below is open type system

• 
• 
• 
• 

This container is an example of what type of system?

• Insulator system

• Open system

• Isolated system

• Closed system

What is the sytem of this experiment?

• burner

• Tongs

• Manganese ribon

• Magnesium ribbon

What are the surrounding of this experiment?

• Tongs, burner and thermometer

• Tongs, burner and temperature

• Tongs, oxygen gas and temperature

• Magnesium ribbon, oxygen gas and temperature

“Mass in any closed system or isolated is either

created nor destroyed by chemical reaction and

physical transformation.”

• The Law of Convertion of mass

• The Law of Conservation of energy

• The Law of Conservation of mass

• The Law of Consecration of life

The total mass of the substance before the chemical reaction _______________ as the total of the mass of substance after reaction in closed type.

• is the same

• is not the same

• is lighter than

• is heavier than

Adding limestone (CaCO3) into hydrochloric acid the produce is ______________

• Sulfuric acid

• Carbon monoxide

• Magnesium II sulfate

• Carbon dioxide gas

Does the mass change after adding limestone (CaCO3) into hydrochloric acid?

• No, it does

• No. it does not

• Yes, it does

• Yes, it did

The mass of the reactant is 100 after completely byrned the mass of the product is?

• 5

• 20

• 50

• 100