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Alex777 [14]
3 years ago
5

How many atoms of each element are present in the compound

Chemistry
2 answers:
Lera25 [3.4K]3 years ago
8 0
...............................................c
zloy xaker [14]3 years ago
6 0

a compound includes more than two elements but is a pure substance

Explanation:

hope this helped

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In this project, you will practice calculating work and speed using the proper formula. You will also use a data table to record
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Answer:

What is the project about ?

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James is looking at a parallel circuit plan for lighting. There is a battery providing the power. There are switches labeled A,B
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On a balance, you have beakers of AgNO3AgNO3 solution and NaClNaCl solution. When mixed, they will form AgCl(s)AgCl(s). What wil
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Explanation:

According to the law of conservation of mass, mass can neither be created nor it can be destroyed. But it can be simply transformed from one form to another.

Therefore, when AgNO_{3} is added to NaCl then the compound formed will have same mass as that of reactants.

       AgNO_{3} + NaCl \rightarrow AgCl + NaNO_{3}

Total mass of reactants is (169.87 + 58.44) g/mol = 228.31 g/mol

Total mass of products is (143.32 + 84.99) g/mol = 228.31 g/mol

Thus, we can conclude that mass of the new mixture will stay the same.

6 0
3 years ago
How many atoms are in 0.075 mol of titanium?
Annette [7]
The mass of titanium is = 47,867 g/1mol

Applying the rule of avrogado

1mol _______ 6,023 × 10^(23) at

0,075mol ___ x


X . 1mol = 0,075mol . 6,023 . 10^(23)at

X = 0,075 . 6,023 . 10^(23) at

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Hope this helps
7 0
3 years ago
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Which of the following elements has the highest electronegativity? beryllium iodine calcium nitrogen
juin [17]

Answer: Option (d) is the correct answer.

Explanation:

An atom or element which has the ability to readily gain an electron will have high electronegativity.

Both Beryllium and Calcium are alkaline earth metals and hence they are electropositive in nature.

Whereas both iodine and nitrogen are electronegative in nature. But across the period there is an increase in electronegativity and down the group there is a decrease in electronegativity.

Nitrogen belongs to period 2 and iodine belongs to the bottom of group 17. Thus, we can conclude that nitrogen is more electronegative than iodine.

8 0
3 years ago
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