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Fantom [35]
3 years ago
8

Metallic or nonmetallic elements or compounds of elements that occur naturally in earth's crust are

Chemistry
1 answer:
jek_recluse [69]3 years ago
3 0
I dont get it please help
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A weighed piece of magnesium ribbon is added to a dried crucible, which is reweighed and heated in air to form the compound MgO.
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Answer:

One of the errors for low percentage of magnesium could be because not all the magnesium may have reacted.

Explanation:

During the heating process, if the magnesium have not reacted completely, it can lead to low percentage of magnesium in the oxide formed. The product may still look a bit greyish rather than whitish after the heating process.

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Does Charles’s law hold when the gas becomes a liquid?
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no

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What is produced when a strong acid reacts with the bicarbonate buffer system in the human body?
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Carbonic acid is produced when a strong acid reacts with the bicarbonate buffer system in the human body.
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The placebo effect is when an improvement of symptoms is observed, despite using a nonactive treatment. It’s believed to occur due to psychological factors like expectations or classical conditioning.

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Do you think that humans are more likely to visit another
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