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Natalija [7]
3 years ago
15

Rapidly expanding air molecules near a bolt of lighting cause a sound that is referred to as blank

Chemistry
1 answer:
Lady_Fox [76]3 years ago
3 0

Answer:

Thunder!! Hope this helps!!

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What is the mass of 3.35 mol Hg(IO3)2? 1,700 g 1,840 g 1,960 g 2,110 g
vichka [17]

Answer:- 1840 g.

Solution:- We have been given with 3.35 moles of  and asked to calculate it's mass.

To convert the moles to grams we multiply the moles by the molar mass of the compound. Molar mass of the compound is the sum of atomic masses of all the atoms present in it.

molar mass of  = atomic mass of Hg + 2(atomic mass of I) + 6(atomic mass of O)

= 200.59+2(126.90)+6(16.00)

= 200.59+253.80+96.00

= 550.39 gram per mol

Let's multiply the given moles by the molar mass:

3.35mol(\frac{550.39g}{1mol})

= 1843.8 g

Since, there are three sig figs in the given moles of compound, we need to round the calculated my to three sig figs also. So, on rounding off to three sig figs the mass becomes 1840 g.



5 0
2 years ago
Identify the following reaction as oxidation and reduction F2(g)+2e-/2F-(aq)​
sertanlavr [38]

Answer:

Reduction

Explanation:

The oxidation reduction reactions are called redox reaction. These reactions are take place by gaining or losing the electrons and oxidation state of elements are changed.

Oxidation:

Oxidation involve the removal of electrons and oxidation state of atom of an element is increased.

Reduction:

Reduction involve the gain of electron and oxidation number is decreased.

In given reaction fluorine gas gain two electron and form fluoride ions.

F₂(g) + 2e⁻    →   2F⁻(aq)

The given reaction is reduction because oxidation state is decreased from zero to -1.

6 0
2 years ago
What is the chemical name for a compound with the formula ba3n2?
LekaFEV [45]
Barium nitride 

copy the name of the metal as it is written in the periodic table and the first part of the name of the nonmetal (nitrogen)  and replace the end by "ide"
3 0
3 years ago
What is the name of an element that have a atomic number of 82 and the atomic number of 207
balandron [24]
This element is Lead (Pb).
5 0
3 years ago
Solubility (polar vs. Nonpolar)
eduard

<u>Explanation:</u>

It is given that polar solutes can be dissolved in polar solvents and non-polar solutes can be dissolved in non-polar solvent.

Alcohol being polar, does not dissolves ionic salt in it.

CCl_4 is a non-polar solvent.

From the given options:

1. NaCl: This is an ionic salt and hence, it will be soluble in water only.

2. I_2 : Iodine gas is a non-polar solute and hence, will be dissolved in non-polar solvent which is CCl_4

3. Ethanol: As, it is a polar molecule and is not an ionic salt, therefore it can be soluble in both water and alcohol.

4. Benzene: It is a non-polar molecule and hence, it will be dissolved in CCl_4

5. Br_2 : Bromine gas is a non-polar solute and hence, will be dissolved in CCl_4

6. KNO_3: This is an ionic salt and hence, it will be soluble in water only.

7. Toluene: This is a non-polar solute and hence, will be dissolved in CCl_4

8. Ca(OH)_2: This is an ionic salt and hence, it will be soluble in water only.

4 0
3 years ago
Read 2 more answers
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