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lys-0071 [83]
3 years ago
9

What will happen to the pressure inside a container of gas if some of the gas is allowed to escape? Select one: a. there will be

no effect on the pressure b. The pressure will increase c. the effect is impossible to determine d. The pressure will decrease
Chemistry
1 answer:
Sonbull [250]3 years ago
5 0
D. The pressure will decrease
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Which best characterizes a crystal
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<h3><u>Answer;</u></h3>

A dense substance that is hard and incompressible

<h3><u>Explanation</u>;</h3>
  • <em><u>Crystals are solids that are made up of particles such as molecules, atoms or ions, </u></em>which are arrange in a highly ordered microscopic structure, forming a crystal lattice which extends in all directions.
  • Examples of crystals include<em><u> quartz,</u></em> that is made up of silicon (iV) oxide molecules that are arranged in a lattice,<u><em>table salt</em></u> is another example that is made up of sodium and chloride ions that are arranged in a lattice
  • Crystals are very ordered, they may be made up of atoms of the same elements or atoms of different elements such as in the case of table salt.
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An object has a mass of 2800g and a volume of 3cm3. What is its density?<br>​
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933.33 g/cm³

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The person writes a coefficient of 2 in front of Fe2O3 but then writes a 4 for the number of iron (Fe) atoms. Explain this diffe
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Answer:

See explanation

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The number of oxygen atoms becomes 2*3 = 6

That is why the total number of iron atoms were written down as 4.

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In transduction, the cochlea is part of this structure:and the retina is part of this structure:
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