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Lemur [1.5K]
4 years ago
7

When salt dissolves in water:

Chemistry
1 answer:
Akimi4 [234]4 years ago
7 0

Answer:

ionic bonds in the solute are broken and new ion-dipose forces in the solution are formed

Explanation:

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WILL MARK BRAINLIEST
Helga [31]

Answer:

They all vibrate, but they all move differently.

Explanation:

Similarities: They all consist of particles and vibrate, just at different frequencies.

Differences: The particles in solids move slowly and vibrate. In liquids, they move a bit quicker and slide past one another. They will also take the shape of the container they're in. In gases, they move freely at high speeds and also taking the shape of the container.

Hope this helped! :)

3 0
4 years ago
A weather balloon is filled with helium that occupies a volume of 500 L at 0.995 atm and 32.0 ℃. After it is released, it rises
Yuki888 [10]

Answer : The volume of the balloon at the new location is, 591.3 L

Explanation :

Combined gas law is the combination of Boyle's law, Charles's law and Gay-Lussac's law.

The combined gas equation is,

\frac{P_1V_1}{T_1}=\frac{P_2V_2}{T_2}

where,

P_1 = initial pressure of gas = 0.995 atm

P_2 = final pressure of gas = 0.720 atm

V_1 = initial volume of gas = 500 L

V_2 = final volume of gas = ?

T_1 = initial temperature of gas = 32.0^oC=273+32=305K

T_2 = final temperature of gas = -12^oC=273+(-12)=261K

Now put all the given values in the above equation, we get:

\frac{0.995atm\times 500L}{305K}=\frac{0.720atm\times V_2}{261K}

V_2=591.3L

Therefore, the volume of the balloon at the new location is, 591.3 L

3 0
4 years ago
When 7.94 g of xylene was added to 132.5 g of cyclohexane, the freezing point of the solution was -4.9oC. What is the molar mass
777dan777 [17]
Answer is: molar mass of xylene 106,18 g/mol.
m(xylene) = 7,94 g.
m(cyclohexane) = 132,5 g.
T (solution) = - 4,9 °C.
Tf(cyclohexane) = 6,5 °C, frezing point.
Kf(cyclohexane) = 20,2 K·kg/mol; cryoscopic constant.
ΔT(solution) = 6,5°C - (-4,9°C) = 11,4°C = 11,4 K.
M(xylene) = Kf · m(xylene) ÷ m(cyclohexane) · ΔT(solution).
M(xylene) = 20,2 K·kg/mol · 7,94 g ÷ 0,1325 kg · 11,4 K.
M(xylene) = 106,18 g/mol.


6 0
3 years ago
Who discovered the electron?
Sedbober [7]
J.J. Thomson discovered the electron  1897
3 0
3 years ago
How can you make a saturated solution from a supersaturated solution?
Lerok [7]

Answer:

warming up the solution.

Explanation:

  • A saturated solution is a chemical solution containing the maximum concentration of a solute dissolved in the solvent. ​The additional solute will not dissolve in a saturated solution.

  • Supersaturated solution is a solution that contains more of the dissolved material than could be dissolved by the solvent under normal circumstances.

  • A saturated solution can become supersaturated when it is cooled.

  • Also, we can form a saturated solution from a supersaturated solution via warming up the solution:

<em>The solubility of solid solutes in liquid solvents increases as the solvent is warmed up.</em>

7 0
3 years ago
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