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Tomtit [17]
2 years ago
13

student has two balloons, one filled with helium and one filled with argon. Each balloon has a volume of 22.4-L at STP. Which of

the following correctly describes these samples
Chemistry
1 answer:
slamgirl [31]2 years ago
4 0

The statement that can be made about the samples is that each balloon contains 1 mole of each gas.

<h3>What is molar volume?</h3>

Molar volume refers to the volume that is occupied by one mole of a gas. According to Avogadro, the volume occupied by one ole of  a gas is 22.4-L at STP.

Hence, if 22.4-L at STP is the volume of both the helium and argon filled balloons, then each balloon contains one mole of the gas.

Learn more about molar volume: brainly.com/question/4172228

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Which of the following atoms forms an ionic bond with a sulfur atom? (Points : 3)
elena-s [515]
Ionic bonds are formed when there is complete transfer of valence electrons between two atoms.

Electronegativity tells the trend of an atom to atract electrons.

You should search for the complete set of rules that indicate whether an ionic or covalent bond happens.

There are two relevant rules to state if whether an ionic bond will happen:

- When the difference of electronegativities between the two atoms is greater than 2.0, then the bond is ionic.

- When the difference is between 1.6 and 2.0, the bond is ionic if one of the elements is a metal.

You need to list the electronegativities of the five elements (there are tables with this information)

Element  electronegativity

Cu:    1.9
H:      2.2
Cl      3.16
I:        2.66
S:      2.58

Differences:

Cu / S: 2.58 - 1.9 = 0.68
H / S: 2.58 - 2.2 = 0.38
Cl / S: 3.16 - 2.58 =0.58
I / S: 2.66 -  2.58 = 0.08

 Those differences are too low to consider that the bond is ionic.

Then the answer is that none of those atoms forms an ionic bond with sulfur.
8 0
3 years ago
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Which of the following bonds is the most polar in nature:
dimaraw [331]
The answer will be (4) HI because the greater the difference of the bonds in electronegativity, the more polar a bond is.
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Which is the most reactive metal
Lena [83]

The most reactive metal on the periodic table is Francium, However, Francium is an artificial element and only minimal quantities have been produced, so for all practical purposes, the most reactive metal available is Cesium, in the alkali metal family.


ANSWER In theory, Francium, in practice the Cesium


\textbf{Spymore}​

8 0
3 years ago
Based on the periodic table why are be, bg, ca and sr in the same column/group/family?
Lesechka [4]

Answer:

The elements are in the same column/group IIA.

See the explanation below, please.

Explanation:

The elements Calcium, Strontium, Beryllium, Magnesium, Barium and Radio, belong to the group of alkaline earth metals located in group IIA of the periodic table, they require 2 electrons to complete their octet (they have 2 valence electrons). reagents than alkali metals.

7 0
3 years ago
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