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frez [133]
4 years ago
8

What kind of hair shampoo can more efficiently clean hair,acidic or alkaline,why?

Chemistry
1 answer:
777dan777 [17]4 years ago
6 0
All shampoos have alkaline already in them for cleaning your hair, although a strong amount of alkaline can damage your hair. The water also has alkaline in it already. While the alternative product is more acidic it does not clean as well. Overall Alkaline is best for the cleaning of hair.
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How many moles of potassium are in 78.20 g?
Fynjy0 [20]
The answer to this question would be: 2 mol

To answer this question, you need to know the molecular weight of Potassium. Molecular weight determines how much the weight of 1 mol of a molecule has. 
Potassium or Kalium molecular weight is 39.1 gram/mol. Then, 78.20gram of potassium should be: 78.20g/ (39.1g/mol)= 2 mol
7 0
3 years ago
Read 2 more answers
Summarize the relationship between an electron's energy level and its location in an atom
FromTheMoon [43]

Answer:

The further an electron is from the nucleus. the greater its energy level.

Explanation:

When an electron is close to the nucleus, it is at as low an energy level as it can get.

We must put energy into an electron to pull it away from the attraction of a nucleus.

So, electrons that are further from the nucleus are at higher energy levels.

6 0
4 years ago
What is the correct formula for sodium carbonate?
frosja888 [35]

Answer:

na2 co3

Explanation:

sodium carbonate formula

4 0
3 years ago
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The atomic number tells us how many __ or __ an element contains.
CaHeK987 [17]
Answer:-
Electrons or Protons

Explanation:-
Atomic number (Z) is defined as:
>>“The total number of protons in the nucleus of an atom is called atomic number”. All atoms of an element have the same number of protons and electrons.
>>“The total number of protons in the nucleus or electrons revolving around the nucleus of an atom”.
Example:
For instance, Hydrogen has the Atomic number(Z) 1.
Helium has the atomic number 2.
Oxygen has the atomic number 8.
| Note | Atomic number is represented by “Z”. And some ppl don’t consider the 2nd definition it’s upto u to do both or the standard one.

5 0
3 years ago
A substance made up of only one type of atom would be a
mezya [45]

Answer:

Element

Explanation:

Because elements can be made with only one atom the rest of the answers cant be

4 0
3 years ago
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