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juin [17]
3 years ago
10

The pH of acid J is 4. The pH of acid K is 6. How much more acidic is acid J than acid K?

Chemistry
1 answer:
marysya [2.9K]3 years ago
3 0

Answer:

100 Times more Acidic

Explanation:

The pH scale is logarithmic in every 10.  So, from 4 to 5 is 10 times less acidic.  From 5 to 6 is another 10 times less acidic.  So in total, it is 100 times less acidic.

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Which of the following reactions involves a single compound producing two or more simpler substances?
castortr0y [4]

Answer:

Decomposition or cracking

Explanation:

In a decomposition or cracking reaction, a single compound produces two or more simpler substances.

It involves the formation of two or more products from a single reactant.

  A →  B + C

A is the single reactant

B and C are the products

The driving force for such a reaction is the is high positive heat of formation of the compound that is, extreme instability of the compound.

6 0
3 years ago
T/F___ At the eutectic composition, an alloy can solidify at a constant temperature.___ For effective dispersion strengthening,
azamat

Answer:

  • TRUE
  • FALSE
  • TRUE
  • FALSE
  • FALSE
  • TRUE

Explanation:

  • At the eutectic composition, an alloy can solidify at a constant temperature : TRUE . this is because at eutectic composition the type of reaction that takes place there is invariant reaction in its thermal equilibrium
  • For effective dispersion strengthening, the dispersed phase should be needle-like, as opposed to round : FALSE. because the rounded shape will not cause a crack.
  • Intermetallic compounds are usually hard and brittle : TRUE. because Intermetallic compounds prevents dislocation movements and this makes them brittle and hard
  • For the effective dispersion and strengthening, the dispersed phase should be continuous : FALSE. this is because the dispersed precipitate must be small and not continuous
  • Stoichiometric intermetallic compounds exist over a range of compositions : FALSE
  • Faster solidification results in smaller interlamellar spacing : TRUE
4 0
3 years ago
Which reaction leads to the formation of a precipitate?
Brrunno [24]

2Ca(OH)2(aq) + 2FeCl3(aq) on the dead locs

6 0
3 years ago
Read 2 more answers
Besides glycerol what 3 other molecules make up a triglyceride?
ICE Princess25 [194]
Triglyceride is a molecule constituted by one one molecule of glycerol and 3 molecules of fatty acids. The structure of a glycerol is like a letter "E", where the vertical line ( | ) is the glycerol and the three horizontal lines are long chains of organic acids, each with one COOH group, called fatty acids.<span> The answer is that the other 3 molecules that make up a triglyceride are fatty acids.</span>
6 0
3 years ago
Which one of the following is not a fossil fuel?
Finger [1]

The answer is C, Uranium.

Natural gas, coal, and oil are all naturally made from fossils. Uranium is an element which can be found on the Periodic Table of Elements.

5 0
3 years ago
Read 2 more answers
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