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rusak2 [61]
3 years ago
15

A substance that increases the concentration of hydroxide ions in aqueous solution.

Chemistry
1 answer:
stepladder [879]3 years ago
5 0
The answer that complete the sentence is "Arrhenius base".

The complete sentence is: A substance that increases the concentration of hydroxide ions in aqueous solution is an Arrhenius base.

Arrhenius' acid and base model says that an acid is a substance that contains hydrogen and ionizes in aqueous solution producing protons (H+) and a base is a substance that cointains hydroxide and release it in aqueous solution.
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Can you please help
zysi [14]

Answer:

9.

a. NH2CH2COOH

b. The function group is what I put in bold.

c. carboxylic acid and amine

10.

a. NH2CH(CH3)COOH

b. The functional group is in bold.

c. carboxylic acid and amine

Explanation:

NH2 is amine (amino acid)

COOH is the carboxylic acid (acetic acid)

8 0
2 years ago
What is the angular momentum of last electron of chromium?
damaskus [11]

Answer:

expected configuration for Cr is

1s2 2s2 2p6 3s2 3p6 4s2 3d4

but in real, it is

1s2 2s2 2p6 3s2 3p6 4s1 3d5

electron from 4s orbital jumps to 3d orbital to get stable configuration.

so the last electron comes in 3d orbital as filling of 3d takes place after filling of 4s orbital.

Hence,quantum numbers for last electron in Cr is :-

n = 3

l = 2

m = +2

s = +1/2

Explanation:

5 0
3 years ago
Why is Co2 a compound but H2 is not a compound
Alex_Xolod [135]
CO2, or Carbon Dioxide, is considered a compound because it is made up of more than one type of atom. H2 only contains one type of atom.
6 0
3 years ago
Which organelle do you think is the most important and why
vekshin1
 <span>All organelles are important. However, to answer your question...the most important organelle in my opinion is the nucleus. The nucleus is like the floor general or the point guard on a basketball team. It contains most of the cell's DNA, directs and controls cell function through gene expression, and mediates DNA replication during cell cycles. 

Note: Not all cells have nuclei. An example of this are the red blood cells, that lack nuclei as well as mitochondria.</span>
5 0
3 years ago
A rectangular box has the following dimensions on the inside: 5 cm x 5 cm x 10 cm. What volume can the box hold, in milliliters?
jeka94

Answer:

the correct answer is 250 ml

Explanation:

1ml=1cm³

so 10x5x5=250 cm³

=250ml

8 0
2 years ago
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