PLEASE HELP M< ;-( 1.What is the amount of aluminum chloride produced from 40 moles of aluminum and 40 moles chlorine?
2.What is the amount of aluminum chloride produced from 80.0 grams of aluminum and 80.0 grams chlorine?

= 0.4448 mol

Explanation:

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answer: c. the experiment shows that the red substance experienced a chemical change.

explanation: chemical change is the change in which chemical composition of the substance changes. physical change is the change in which there is no change in chemical composition.

chemical changes are accompanied by following changes:

a) precipitate formation

b) energy is released or absorbed

c) formation of bubbles

d) change in color

as it is given that the red color has disappeared and there is production of gas, it means the red substance has undergone a chemical change.

e

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