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alexira [117]
3 years ago
9

Examine the molecules. H2O HCl HF What do all three molecules have in common?

Chemistry
1 answer:
ad-work [718]3 years ago
3 0

Answer:

polar

Explanation:

because interaction between them is hydrogen bonds

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Born and Meyer developed a quantitative theory of bonding in ionic crystals in which the potential energy of the system is given
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E = NA/R^n - N alpha e^2/ (4 piEoR')

Explanation:

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A sample of gas has a volume of 400 liters when its temperature is 20.C and its pressure
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Answer:

V₂ = 145.35 L

Explanation:

Given data:

Initial volume = 400 L

Initial pressure = 300 mmHg (300/760 =0.39 atm)

Initial temperature = 20 °C (20 +273 = 293 K)

Final temperature = 273 K

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Final pressure = 1 atm

Solution:

Formula:  

P₁V₁/T₁ = P₂V₂/T₂  

P₁ = Initial pressure

V₁ = Initial volume

T₁ = Initial temperature

P₂ = Final pressure

V₂ = Final volume

T₂ = Final temperature

P₁V₁/T₁ = P₂V₂/T₂  

V₂ = P₁V₁T₂  /T₁ P₂

V₂ =  0.39 atm × 400 L × 273 K / 293 K × 1 atm

V₂ = 42588 atm.L.K /293 K.atm

V₂ = 145.35 L

5 0
3 years ago
Lord kelvin described the concept of absolute zero temperature and the laws relating the change in thermal energy during chemica
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Kelvin's description of absolute zero is an important concept in thermochemistry. At absolute zero, there is no movement of molecules, and no energy available facilitate chemical reactions. 
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Hydrogen gas
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