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Leno4ka [110]
3 years ago
11

How many calories of heat are required to raise the temperature of 225g of water from 10.5°C to 43.7°C

Chemistry
1 answer:
Luda [366]3 years ago
8 0
This the answer to the question you asked:)

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HELP I HAVE 14 MINUTES!!
ki77a [65]

Answer:

2 one

Explanation:

is right coz I think

4 0
3 years ago
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Why do atoms form blonds​
lakkis [162]

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Atoms form chemical bonds to make their outer electron shells more stable. ... An ionic bond, where one atom essentially donates an electron to another, forms when one atom becomes stable by losing its outer electrons and the other atoms become stable (usually by filling its valence shell) by gaining the electrons.

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7 0
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PLEASE HELP!!
NARA [144]
We can skip option B and D because NaCl is salt and H₂SO₄ is a strong acid.
Neutralization reactions are those reactions in which acid and base react to form salt and water.
As water being amphoteric in nature can react with HCl as follow,

                           HCl  +  H₂O   ⇆  H₃O⁺  +  OH⁻

In this case no salt is formed, so we can skip this option.

Ammonia being a weak base can abstract proton from HCl as follow,

                              HCl  +  NH₃  →  NH₄Cl

Ammonium Chloride is a salt. So, among all four options, Option-C is the correct answer.
3 0
3 years ago
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As the number of protons increases but the distance between the protons and electron REMAINS THE SAME...
Aloiza [94]

Answer:

The correct option is;

The electronegativity increases

Explanation:

The electronegativity is the measure of an atom's ability to attract a shared electron pair. The electronegativity of an atom is dependent on the atom's atomic number and the separation distance between the electrons in the valence shell and the positively charged nucleus such that an increase in the atomic number results in an increase in electronegativity and an increase in the distance between the valence electrons and the nucleus, leads to a decrease in electronegativity.

8 0
3 years ago
All of the following are solutions except?
Vaselesa [24]

Answer:

fruit cake is the right ans

5 0
3 years ago
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