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Alexeev081 [22]
2 years ago
11

Match each group on the periodic table with its description. HELP ME PLS

Chemistry
1 answer:
Artist 52 [7]2 years ago
3 0
Very reactive nonmetals.
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4 years ago
Still using the reaction from the video, what is the limiting reagent when 2 moles of Al are reacted
kondaur [170]

The limiting reagent will be Al

<h3>What are limiting reagents?</h3>

They are reagents that limit the quantity of products that are formed in reactions.

From the equation of the reaction:

4Al + 3O_2 --- > 2Al_2O_3

The mole ratio of Al to O2 is 4:3.

With 2 moles of Al and 2 moles of O2, Al becomes limiting while O2 is in excess.

With 2 moles of O2, the amount of Al required should be:

                          2 x 4/3 = 2.67 moles.

With 2 moles of Al, the amount of O2 required should be:

                    2 x 3/4 = 1.5 moles

Thus, O2 is in excess by 0.5 moles.

More on limiting reagents can be found here: brainly.com/question/11848702

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2 years ago
How many grams of barium sulfate are produced if 125 mL of .050 M sodium sulfate are reacted with excess barium nitrate in the f
katrin [286]

Answer:

2.79g

Explanation:

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3 years ago
I'm currently doing a Castle Learning part teacher and it's graded
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See the image below.

An excited electron is in a <em>high-energy state</em>.

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You are comparing a reaction that produces a chemical
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If the reaction is a chemical change, new substances with different properties and identities are formed. This may be indicated by the production of an odor, a change in color or energy, or the formation of a solid.

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3 years ago
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