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Anna007 [38]
3 years ago
13

This type of thermometer relies on a liquid to contract will colder and expand when warmed. A)infrared B)thermistor

Chemistry
1 answer:
Anarel [89]3 years ago
4 0

Answer:  A

Explanation:

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Due to the small and highly electronegative nature of fluorine, the oxyacids of the this element are much less common and less s
steposvetlana [31]
We are told we have an oxyacid of the formula HOFO. We will assume the atoms are in this order and will draw a proper lewis structure for this compound by first drawing bonds between each of the 4 atoms and then place the remaining electron pairs on each atom:
      ..    ..    ..
H - O - F - O:
      ··   ··    ··
We can calculate the formal charge of an atom using the following formula:

Formal charge = [# of valence electrons] - [# of non-bonded electrons + # of bonds]

H: Formal charge = [1]-[0+1] = 0

O: Formal charge = [6]-[4+2] = 0

F: Formal charge = [7]-[4+2] = +1

O: Formal charge = [6]-[6+1] = -1

As we can see the overall charge of the molecule is neutral since the fluorine as a +1 charge and the oxygen a -1 charge.
4 0
3 years ago
Which determines the chemical properties of minerals?
azamat
The chemical makeup found on the periodic table.
5 0
3 years ago
Advantage of modern perodic law ​
mario62 [17]

Answer:

it has made the study of chemistry systematic and easy. it acts as an aid to memory

6 0
3 years ago
7.20g of potassium sulfate reacts with the excess oxygen gas in a single displacement reaction, how many grams of oxygen are con
skad [1K]
The balanced chemical reaction:

K2SO4 + O2 = 2KO2 + SO2

Assuming that the reaction is complete, all of the potassium sulfate is consumed. We relate the substances using the chemical reaction. We calculate as follows:

7.20 g K2SO4 ( 1 mol / 174.26 g) ( 1 mol O2 / 1 mol K2SO4 ) ( 32 g / 1 mol ) = 1.32 g O2 consumed in the reaction.
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3 years ago
How many moles are present in 100 grams of potassium?
spayn [35]

Answer:

39.0983.

Explanation:

4 0
3 years ago
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