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svlad2 [7]
3 years ago
10

How many times more acidic is pH2 than pH4?

Chemistry
1 answer:
Solnce55 [7]3 years ago
7 0

Answer:

100 times more acidic.

Explanation:

If you look at the pH scale, pH2 is 2 "jumps" away from pH4, therefore, pH2 is 100x more acidic than pH4.

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The pk1, pk2, and pkr for the amino acid glutamate are 2.1, 9.5, and 4.1, respectively. at ph 11.0, glutamate would be charged p
vfiekz [6]
There are no answer choices
8 0
3 years ago
The coordination sphere of a complex consists of ________. The coordination sphere of a complex consists of ________. the ligand
sammy [17]

Answer:

The coordination sphere of a complex consists of <u><em>the central metal ion and the ligands bonded to it.</em></u>

Explanation:

The Coordination Compounds are sets of a central metal ion attached to a group of molecules or ions that surround it. They are also called metal complexes or simply complexes. Then they are compounds that have a central atom surrounded by a group of molecules or ions, the latter called ligands.

The central atom must have empty orbitals capable of accepting pairs of electrons, with the transition metals being the ones with the greatest tendency. Because of this, they can act as Lewis acids (electron pair acceptors). The ligands have unshared electron pairs, then acting as Lewis bases (electron pair donors).

When forming a complex, it is said that the ligands coordinate to the metal and the central metal and the ligands attached to it constitute the coordination sphere of the complex.

Finally, <u><em>the coordination sphere of a complex consists of the central metal ion and the ligands bonded to it.</em></u>

5 0
3 years ago
Should we only write condensed formula in chemical equations (for lessons like carbon and compounds). What did your teachers say
Firlakuza [10]

Answer:

Here's what I get.

Explanation:

  • If your teachers don't ask for a specific type of formula, a condensed structural formula should be OK.
  • If they ask specifically for a structural formula or a bond-line formula, that is what you must give.

Bottom line: ask your teachers in advance what they expect.

7 0
3 years ago
17. What is the correct empirical formula for H4C408?
11111nata11111 [884]

Answer:

B

Explanation:

by simlfying it you get HCO2

6 0
3 years ago
Brain if correct<br><br><br> (3)
Anni [7]

Answer:

Darker colored items absorb more of the sunlight.

Explanation:

Lighter colored item tend to reflect more of the sunlight

8 0
2 years ago
Read 2 more answers
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