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Marizza181 [45]
3 years ago
11

Which of the following is a correct observation when water is added to quick lime?

Chemistry
2 answers:
masya89 [10]3 years ago
7 0

Answer:

c

Explanation:

thw observation of water that is added

il63 [147K]3 years ago
3 0
D)no change
Cause water is a poor conductor of heat and electricity
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When a reaction occurs between atoms with ground state electron configuration 1s2 2s1 and 1s2 2s2 2p5 the predominant type of bo
fenix001 [56]

Answer: The bond formed between the elements will be ionic bond.

Explanation: We are given two elements having electronic configurations:

Element 1: 1s^22s^1

Element 2: 1s^22s^22p^5

Element 1 can easily loose 1 electron to attain stable electronic configuration and Element 2 can accept 1 electron to attain stable electronic configuration.

For these elements, there will be a complete transfer of electron from Element 1 to Element 2. Hence, this will form a ionic bond.

From the configuration, Element 1 is Lithium and Element 2 is Fluoride. So, the compound is LiF.

5 0
3 years ago
How does concentration affect boiling point of a solvent?
nalin [4]

Answer / explanation:

How does concentration affect boiling point of a solvent?

The amount by which the boiling point is raised is directly dependent on the concentration of the solute.

The higher the concentration of a solute, the more it is said to be difficult for the solvent molecules to escape into the gas phase.

However, when a non volatile amount of substance is dissolved in a given solvent, the boiling point of the given solvent increases.

The higher the concentration, the more higher the boiling point of a solvent.

It requires a higher temperature for enough solvent molecules to escape , this the boiling point is raised elevatedly

5 0
3 years ago
Which of these best describes the difference between the formulas for nitrogen monoxide and nitrogen dioxide? Which of these bes
Pani-rosa [81]
Nitrogen monoxide has 1 oxygen atom and
Nitrogen dioxide has 2 oxygen atoms
3 0
3 years ago
the element carbon has two common isotopes: C-12 (12 U) AND C-13 (13.003355 U). IF THE AVERAGE ATOMIC MASS OF CARBON IS 12.0107
oksian1 [2.3K]

Answer:

The percent isotopic abundance of C- 12 is 98.93 %

The percent isotopic abundance of C- 13 is 1.07 %

Explanation:

we know there are two naturally occurring isotopes of carbon, C-12 (12u)  and C-13 (13.003355)

First of all we will set the fraction for both isotopes

X for the isotopes having mass 13.003355

1-x for isotopes having mass 12

The average atomic mass of carbon is 12.0107

we will use the following equation,

13.003355x + 12 (1-x) = 12.0107

13.003355x + 12 - 12x = 12.0107

13.003355x- 12x = 12.0107 -12

1.003355x = 0.0107

x= 0.0107/1.003355

x= 0.0107

0.0107 × 100 = 1.07 %

1.07 % is abundance of C-13 because we solve the fraction x.

now we will calculate the abundance of C-12.

(1-x)

1-0.0107 =0.9893

0.9893 × 100= 98.93 %

98.93 % for C-12.

7 0
3 years ago
10 atoms of Hydrogen and 5<br> atoms of Oxygen would make<br> molecules <br> of water.
steposvetlana [31]

Answer:

No, it won't. Because water is made up of two atoms of hydrogen and an atom of oxygen (the composition of water).So now do you understand? Text me if you do/don't for more explanation. Thanks for asking

7 0
3 years ago
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