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Sidana [21]
3 years ago
15

List two ways in which heterogeneous mixtures differ from elements.

Chemistry
1 answer:
Georgia [21]3 years ago
3 0
Heterogeneous mixtures differ from elements in two ways. First, elements are not a mixture at all; they are pure substances. Heterogeneous mixtures are not pure. The other way is that a heterogeneous mixture can be separated by physical means; elements can't be separated at all; if the elements are separated, it will change their composition. Hope this helps

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What volume will be occupied by 5.00 mol of a gas at 25°C and 0.500<br> atm pressure?"
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Answer:

The volume will be occupied is 244, 36L.

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We convert the unit of temperature to celsius into Kelvin, then use the ideal gas formula, solve for V (volume) and use the gas constant R =0.082 l atm / K mol:

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4 0
3 years ago
A compound accepts electrons from another substance to form a covalent bond. Which term best describes this compound’s behavior?
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A compound accepts electrons from another substance to form a covalent bond. The compound acts as a Lewis base.

<h3>What are the most common acid-base theories?</h3>
  • Arrhenius: acids release H⁺ and bases release OH⁻.
  • Bronsted-Lowry: acids donate H⁺ and bases accept H⁺.
  • Lewis: acids accept electrons and bases donate electrons.

A compound accepts electrons from another substance to form a covalent bond. Which term best describes this compound’s behavior?

  • Lewis acid. YES.
  • Arrhenius base. NO, because OH⁻ is not involved.
  • Bronsted-Lowry acid. NO, because H⁺ is not involved.
  • Bronsted-Lowry base. NO, because H⁺ is not involved.

A compound accepts electrons from another substance to form a covalent bond. The compound acts as a Lewis base.

Learn more about Lewis acid-base theory here: brainly.com/question/7031920

5 0
3 years ago
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