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NemiM [27]
3 years ago
6

Help me

Chemistry
1 answer:
irinina [24]3 years ago
3 0

Answer:

you can do a celser lava lamp its really easy, i can give you a link if you need?

Explanation:

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Based on your knowledge of intermolecular forces and trends, select the statement that is most accurately compares HF and HCl.
tangare [24]

Answer:

(A) The intermolecular attraction between HF molecules are stronger than between HCl molecules mainly to due hydrogen bonding.

Explanation:

Since Flourine is highly electronegative and as such, when it bonds with Hydrogen it forms a hydrogen bond. Whereas the HCL molecule  is a polar molecule whose inter-molecular forces are dipole dipole interactions. Although a Hydrogen bond is a type of dipole dipole interaction it is stronger than the traditional dipole dipole forces and London dispersion forces. HF also has a shorter bond length which makes the bond and inter-molecular forces  stronger as compared to HCL.

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Sonar Pulse

Explanation:

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How many hours per year does a high school student spend in school?<br> hours per year
Liono4ka [1.6K]

Answer:

1,260 is your answer plz mark if this right

Explanation:

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3 years ago
In a calcium atom in the ground state, the electrons that possess the least amount of energy are located in the(1) first electro
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The first electron shell.
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3 years ago
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If the volame ofa gas coetainer at 32°C changes froem 1.55 L to 753 ml, what will the final temperature be? Assume the pressure
motikmotik

Answer : The final temperature of gas will be, 149 K

Explanation :

Charles' Law : It is defined as the volume of gas is directly proportional to the temperature of the gas at constant pressure and number of moles.

V\propto T

or,

\frac{V_1}{V_2}=\frac{T_1}{T_2}

where,

V_1 = initial volume of gas = 1.55 L

V_2 = final volume of gas = 753 ml  = 0.753 L

T_1 = initial temperature of gas = 32^oC=273+32=305K

T_2 = final temperature of gas = ?

Now put all the given values in the above formula, we get the final temperature of the gas.

\frac{1.55L}{0.753L}=\frac{305K}{T_2}

T_2=149K

Therefore, the final temperature of gas will be, 149 K

7 0
3 years ago
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