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tino4ka555 [31]
3 years ago
5

Which substances are broken down by chemical means

Chemistry
1 answer:
solniwko [45]3 years ago
8 0

Compounds

Explanation:

Compounds are substances that can be broken down by chemical means. They are categorized as pure substances due to their definite composition.

  • Compounds are substances composed of two or more kinds of atoms or elements joined together in a definite grouping.
  • Properties of compounds differs from those of the constituent atoms.
  • Compounds are broken down by chemical means because they are products of chemical changes.
  • Several kinds of compounds exists through combinations of atoms.
  • Compounds have definite compositions

Learn more:

Compounds and bonds brainly.com/question/11064344

#learnwithBrainly

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The pH of an acidic solution is 2.47. what is the [H+]
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pH=-\log[H^{+}]\\\\\implies [H^{+}] =10^{-pH}=10^{-2.47}=0.0034~M

8 0
2 years ago
Which measurements shows the correct degree of the precision for this ruler?
ASHA 777 [7]

Answer:

The answer is "13.25 cm"

Explanation:

When the lengths of being in an entity were also documented by either a cm-length ruler in 2 decimal positions. These measurements showed the decimal point, 13.25 cm possess 2 decimal roles, and 0 decimal places that is equal to 130 or 132 cm.  It is the right choice is therefore 13.25 cm, because it takes two decimals and this is more accurate.

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3 years ago
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answers are D and F

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3 years ago
When the temperature of a 3. 0-l sample of a gas is dropped from 200°c to 100°c, what will be the final volume of the gas sample
ipn [44]

P1V1T1=P2V2T2 Add 273 to convert degrees Celsius to Kelvin:

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<h3>Where is the volume equation?</h3>

The basic formula for volume is length, breadth, and height, as opposed to length, width, and height for the area of a rectangular shape. The calculation is unaffected by how you refer to the various dimensions; for instance, you can use "depth" instead of "height."

<h3>What is chemistry using volume units?</h3>

Volume, which is measured in cubic units, is the 3-dimensional space occupied by matter or encircled by a surface. The cubic meter (m3), a derived unit, is the SI unit of volume.

to know more about volume and temperature here:

brainly.com/question/12050285

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4 0
1 year ago
which of the following is not part of the big bang theory?A. In the beginning the universe was too hot for atoms to exist. B. As
erastovalidia [21]
A.) In the beginning the universe was too hot for atoms to exist. 

Because choice b,c,and d are all part of the big  bang theory.
8 0
3 years ago
Read 2 more answers
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