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sergij07 [2.7K]
3 years ago
9

What is the difference between hot and cold atoms?

Chemistry
1 answer:
lesya [120]3 years ago
6 0
In hot water the molecules move faster versus In cold water they move slower (hope that helps)
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A solution at ph 10 contains __________ than the same amount of solution at ph 8.
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100 times less H+

A solution at ph 10 contains<u> </u><u>100 times less H+</u> than the same amount of solution at ph 8.

<h3>The pH scale: How does it function?</h3>
  • The pH scale determines how acidic or basic water is.
  • The range is 0 to 14, with 7 representing neutrality.
  • Acidity is indicated by pH values below 7, whereas baseness is shown by pH values above 7.
  • In reality, pH is a measurement of the proportion of free hydrogen and hydroxyl ions in water.

<h3>How does the pH change when two acids are combined?</h3>
  • An acid's strength increases with the quantity of hydrogen ions it releases.
  • The pH of the strong acids is between 1 and 2.
  • We may observe that there is no response when two acids of the same strength are combined.
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<h3>How is pH value determined?</h3>

There are two ways to measure pH:

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  • electrochemically with electrodes and a millivoltmeter for greater accuracy (pH meter).

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2 years ago
Why is lead harmful to humans.
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Exposure to small amounts of lead<span> over a long period of time is called chronic toxicity. </span>Lead<span> is particularly </span>dangerous<span> because once it gets into a person's system, it is distributed throughout the body just like helpful minerals such as iron, calcium, and zinc. And </span>lead<span> can cause harm wherever it lands in the body.</span>
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How do anion formation and valence electrons relate?
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Answer:

A cation is formed when a metal ion loses a valence electron while an anion is formed when a non-metal gains a valence electron. They both achieve a more stable electronic configuration through this exchange.

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Given the following information:
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Ya'll should really practice more because things like these are easy

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