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Alona [7]
3 years ago
5

What are the intervals on the fahrenheit scale called

Chemistry
1 answer:
Darya [45]3 years ago
4 0

Fahrenheit temperature scale fâr´ənhīt˝ [key], temperature scale in which the temperature difference between two reference temperatures, the melting and boiling points of water, is divided into 180 equal intervals called degrees.

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Examine the images.
gavmur [86]

Answer:

4 th image

Explanation:

water is being boiled n the 4th image indicating that the change between liquids and gasses is water vapor.

5 0
3 years ago
Read 2 more answers
Do all titrations of a strong base with a strong acid have the same ph at the equivalence point?
Luba_88 [7]

Answer:

  • <u>Yes,</u> <em>all titrations of a strong base with a strong acid have the same pH at the equivalence point.</em>

       This <u>pH is 7.</u>

Explanation:

<em>Strong acids</em> and <em>strong bases</em> ionize completely in aqueous solutions. The ionization of strong acids produce hydronium ions, H₃O⁺, and the ionization of strong bases produce hydroxide ions, OH⁻.

Since the ionization of strong acids and bases progress until completion, there is not reverse reaction.

The definition of pH is pH = - log [H₃O⁺]. Acids have low pH (below 7, and greater than 0) and bases have high pH (above 7 and less than 14). Neutral solutions have pH = 7.

Acid-base titrations are a method to determine the concentration of an acid from the known concentration of a base, or the concentraion of a base from the known concentration of an acid.

The<em> equivalence point</em> of the titration is the point at which the the number of moles of hydronium ions and hydroxide ions are equal.

Then, at that point, the hydronium and hydroxide ions will be in the stoichiometric proportion to form a neutral solution, i.e. the pH of the solution wiill be 7.

7 0
2 years ago
A more reactive metal displaces a less reactive metal from salt solution. Such reactions are called:
motikmotik

Answer:

Displacement Reaction.

6 0
3 years ago
Read 2 more answers
QUICK! Which best explains how the collisions of materials in space contribute to the formation of layers in protoplanets?
Pani-rosa [81]

Answer:

B. The collisions release heat, which results in the heating and subsequent melting, sinking, and rising of materials.

Explanation:

Got it correct on edge

5 0
2 years ago
Jane set up an experiment with 7 types of dog food and 15 dogs. Each day she fed a different brand of dog food to the 15 dogs. H
bixtya [17]

Answer:

I believe it's either D or A I did it in my math

4 0
2 years ago
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