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s2008m [1.1K]
3 years ago
5

Hi!!! Please help with six science questions!!!!! 60 points and brainliest! 

Chemistry
2 answers:
fomenos3 years ago
8 0
Hello!

I believe the answer to question 1 is: A. Acids.

2. Any chemical compound containing one or more groups, each comprising one atom each of oxygen and hydrogen bonded together and functioning as the negatively charged ion OH-.

3. Strong acids have a higher concentration of hydrogen ions than weak acids.

4. A weak base does not ionize fully in an aqueous solution. For example, NaOH is a stronger base than diethylamine because of the degree in ionization in waer to produce OH- ion.

5. Any substance with a pH value between 0 up to 7 is considered acidic, whereas a pH value of 7 to 14 is a base.

6. The chemical formula for water is usually written as H2O, but another way to consider it is HOH, where a positively charged hydrogen ion H is bonded to a negatively charged hydroxide ion H. This means water has properties of both an acid and a base, where the properties essentially cancel each other out.

I hope you found this helpful! c:
Shkiper50 [21]3 years ago
3 0
1. A                       
2. base                          
3. strong ones have more h30 weak ones have more OH
4. strong ones have more OH weak ones have more H30
5. <span>One of the main differences between acids and bases is that acids have a pH that is less than 7 and bases have a pH that is greater than 7. When dissolved in water, acids are substances that will cause the concentration of hydrogen ions (H+) to increase. Bases, when dissolved in water, will instead cause the number of hydroxide ions (OH-) to increase.6.Idk </span>


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If scientists had tried to repeat thomosons experiment and found that they could not would thomosons cocnclusion still have been
lesantik [10]

Answer:

No

Explanation:

The conclusions from Thomoson's claims would be invalid if his experiment could not be replicated.

<em>One of the attributes of a valid experiment in science is replication. That is, an experiment must be repeatable with similar outcomes under similar conditions as the original experiment when independently performed by another scientist. Once an experiment cannot be replicated, the outcomes of such an experiment become invalid in science.</em>

Hence, <u>Thomoson's conclusion would be invalid if his experiment could not be replicated. </u>

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3 years ago
In which state of matter would you expect to find water, at 20°C on Earth?
ad-work [718]
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5 0
3 years ago
N=4 has how many orbitals?
marin [14]

Answer:

n = 4 there are 16 orbitals

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3 years ago
the smell spreads immediately after you burn agarbatti in this example what is your condition about intermolecular force
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4 0
2 years ago
Read 2 more answers
Draw the Lewis structure for the compound with the formula COCl2COCl2. Use lines to show bonding electrons.
stira [4]

Answer :  The Lewis-dot structure of COCl_2 is shown below.

Explanation :

Lewis-dot structure : It shows the bonding between the atoms of a molecule and it also shows the unpaired electrons present in the molecule.

In the Lewis-dot structure the valance electrons are shown by 'dot'.

The given molecule is, COCl_2

As we know that carbon has '4' valence electrons, chlorine has '7' valence electron and oxygen has '6' valence electrons.

Therefore, the total number of valence electrons in COCl_2 = 1(4) + 2(7) + 1(6) = 24

According to Lewis-dot structure, there are 8 number of bonding electrons and 16 number of non-bonding electrons.

6 0
3 years ago
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