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Elina [12.6K]
3 years ago
8

classify the following compounds as ionic and covalent. CH4 ,CCl4 ,HCl , NaCl ,NH3 ,CaO ,H2O , Br2 ,C2H5OH , CH3OCH2CH3 ,Co ,CH2

CH2 ,MgSO4 ,C2H2 , H2SO4, CH3COONa ,CO2 ,H2 , KBr ,O2 ,NaOH.​
Chemistry
1 answer:
Inga [223]3 years ago
4 0

Answer:

Ionic :- NaCl, CaO, KBr, NaOH

Covalent:- CH4, CCl4, HCl, NH3, H2O, Br2, C2H5OH, CH3CH2CH3, CO, CH2CH2, MgSO4, C2H2, H2SO4, CH3COONa, CO2, H2, O2

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3 years ago
I'm looking at the barometer in my lab as I type this question. It says the pressure is 968 torr. What is this pressure expresse
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Answer:

1.27 atm.

Explanation:

The following data were obtained from the question:

Pressure (P) in torr = 968 torr

Pressure (P) in atm =...?

Thus, we can convert from torr to atm by doing the following:

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760 torr = 1 atm

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6 0
3 years ago
At 9°C a gas has a volume of 6.17 L. What is its volume when the gas is at standard temperature?
Alex17521 [72]

Answer:

V₂ = 5.97 L

Explanation:

Given data:

Initial temperature = 9°C (9+273 = 282 K)

Initial volume of gas  = 6.17 L

Final volume of gas = ?

Final temperature = standard = 273 K

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Formula:

The Charles Law will be apply to solve the given problem.

According to this law, 'the volume of given amount of a gas is directly proportional to its temperature at constant number of moles and pressure'

Mathematical expression:

V₁/T₁ = V₂/T₂

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T₁ = Initial temperature

V₂ = Final volume  

T₂ = Final temperature

Now we will put the values in formula.

V₁/T₁ = V₂/T₂

V₂ = V₁T₂/T₁  

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V₂ = 1684.41 L.K / 282 K

V₂ = 5.97 L

5 0
3 years ago
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