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posledela
3 years ago
15

What is the most specific classification of Ca(NO3)2

Chemistry
2 answers:
Cerrena [4.2K]3 years ago
7 0
"Compound" is the one among the following choices given in the question that is the <span>most specific classification of Ca(NO3)2. The correct option among all the options that are given in the question is the second option. It is actually an inorganic compound. I hope that this is the answer that has come to your help.</span>
NISA [10]3 years ago
7 0

Answer: Option (b) is the correct answer.

Explanation:

A compound is defined as the substance in which different atoms chemically combine together in a fixed ratio by mass.

For example, Ca(NO_{3})_{2} is a compound as here both calcium ion and nitrate ion chemically combine together.

A compound can be broken down into its constituent particles.

Whereas an atom is the smallest particle present in a substance. It is indivisible in nature.

A molecule is a substance that contains either same or different atoms which are chemically combined together.

For example, Cl_{2}, H_{2}O etc are molecules.

An element is a substance that consists of only same type of atoms.

For example, aluminium element will consists of only aluminium atoms.

Thus, we can conclude that compound is the most specific classification of Ca(NO_{3})_{2}.

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How do you do these?
Agata [3.3K]

Solve these problems like weighted averages:

The first one:

Multiply the masses (isotope numbers) by the decimal form of the percentage. Add them

0.076 (6) + 0.924 (7) = 6.924


The second one:

0.2 (10) + 0.8 (11) = 10.8


If you think about it, these answers make sense. 6.924 is much closer to 7 than to 6 (since there's a lot more lithium-7 than there is lithium-6). 10.8 is closer to 11 than to 10.


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3 years ago
Consider a transition of the electron in the hydrogen atom from n=5 to n=9. Determine the wavelength of light that is associated
lesantik [10]
Lol i need to answer more and plus n could also = # 4.65
5 0
4 years ago
6. We have many vestigial structures that are similar to structures on modern day chimpanzees. How can we
ollegr [7]

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Explanation:

5 0
3 years ago
4 Which pair of ions is isoelectronic?
Softa [21]

Answer:

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Explanation:

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7 0
3 years ago
What volume would 56.2 mL of gas at 820 mm of Hg occupy at 720 mm of Hg?
Andreyy89

Answer:

49.35  mL

Explanation:

Given: 56.2 mL of gas

To find: volume that 56.2 mL of gas at 820 mm of Hg would occupy at 720 mm of Hg

Solution:

At 820 mm of Hg, volume of gas is 56.2 mL

At 1 mm of Hg, volume of gas is \frac{56.2}{820}

At 720 mm of Hg, volume of gas is \frac{56.2}{820}(720)=49.35\,\,mL

3 0
3 years ago
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