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Darina [25.2K]
3 years ago
9

If 45 grams of solid aluminum and 301 grams of ammonium perchlorate are reacted. How much excess reactant is left over? Show you

r work using equation editor.
Chemistry
1 answer:
Minchanka [31]3 years ago
3 0

Answer: Your balanced equation is 2Al + 3S --> Al_2S_3. In two separate equations, first use the 48.5g of Al to find the amount (in moles) of Al_2S_3. Then use the 62.8g of S to find the amount (in moles) of Al_2S_3. By doing these, you find which reactant (the Al or the S) produces the least amount of Al_2S_3. Since it's the S, that's the limiting reactant: you then use that 62.8g of S to find how many grams of Al will be used in the reaction. (Use the same balanced equation.) You find that 35.2g of Al will be used, then find the excess by subtracting that 35.19 from the original 48.5g. Your excess amount is 13.3g of Al!

Explanation:

hopefully this is what you were looking for <3 :)

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An increase in pressure increasing the billing point is an example of a physical property.

  • The term "boiling point" describes the temperature at which a liquid, which is being boiled, changes from a liquid to a vapor when its pressure equals that of its environment.
  • Physical changes are those that take place when a material's structure is the same both before and after the change.
  • When a substance is changed into another chemical substance, this is known as chemical transformation.
  • When describing the state of a physical system, a substance's physical qualities are those that can be measured.
  • A substance's characteristic that is seen in a chemical reaction is referred to as a chemical property.

As it demonstrates the physical state, the increase in pressure with boiling point is an example of a physical property.

Learn more about boiling point:

brainly.com/question/25725550

The complete question is:

An increase in pressure increasing the boiling point of a liquid is an example of a —

A physical change

B chemical change

C physical property

D chemical property

#SPJ9

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