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maxonik [38]
2 years ago
9

Which of these best describes the basis on which new scientific ideas are accepted or rejected?

Chemistry
1 answer:
Luda [366]2 years ago
3 0

Answer:

This question lacks options, the options are:

A. Moral and ethical beliefs

B. Popular support

C. Compelling evidence

D. Historical support

The answer is C. Compelling evidence

Explanation:

Scientific investigations are used to proffer solutions to problems or answer a question. However, before these scientific ideas can be accepted or rejected, it must be subject to falsifiable testing via experiment.

A hypothetical statement is given to explain a scientific observation, which is subjected to further testing via experimentation. The outcome of the experiment provides a COMPELLING EVIDENCE on which the acceptance or rejection of a scientific idea is based.

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Subject: Chemistry<br><br><br>whoever does this right will give the brainliest &lt;3)
Andru [333]

Answer:

1 A

3 main types of bond are

Ionic bond ( formed due to complete transfer of electron between atoms(

Covalent bond ( formed by mutual sharing of electron)

Metalic bond ( present in the metals due to mobile electrons)

1 B bond in CaO is ionic bond formation in attached image

1 C hydrogen bond with nitrogen is covelent NH3 ammonia is formed because a bond between two non metals is expected to be covalent

More their electronegativity difference between hydrogen and nitrogen is less than 1.7 that makes it covalent

Explanation:

4 0
2 years ago
Read 2 more answers
At 100 degrees Celsius, the ion product for pure water is Kw= 51.3*10^-14. What is the pOH of water at this temperature? A) 7.00
Levart [38]

7.86 is the pOH of water at this temperature of 100 degrees celsius.

Option E is the right answer.

Explanation:

Data given:

Kw = 51.3 x 10^{-14}

pOH = ?

we know that pure water is neutral and will have pH pf 7.

The equation for relation between Kw and H+ and OH- ion is given by:

Kw = [H+] [OH-}

here the concentration of H+ ion and OH- ion is equal

so, [H+]= [OH-]

Putting the values in the equation of Kw

pKw = -log[Kw]

pKw = -log [51.3 x 10^{-14}]

pKw = 12.28

since H+ ion OH ion concentration is equal the pH of water is half i.e. 6.14

Now, pOH is calculated by using the equation:

14 = pOH + pH

14- 6.14 = pOH

pOH = 7.86

8 0
3 years ago
Which diagram above has 4 valence electrons?
Gemiola [76]

Answer:

answer A has four valence electrons

Explanation:

The outer shell has 4 electrons, which are considered the valence electrons

8 0
2 years ago
When positively charged particles were radiated onto a gold atom, a few of the particles bounced back. Which of the following ca
MariettaO [177]
Positively charged protons in the nucleus, hope this helps.
8 0
3 years ago
Read 2 more answers
Which property determines an atom's ability to attract electrons shared in a chemical bond?
ASHA 777 [7]
It is electronegativity.
4 0
3 years ago
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