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babunello [35]
3 years ago
14

9. During vaporization, a substance changes from a liquid to a(n) _______________. (1 point)

Chemistry
1 answer:
Crank3 years ago
3 0
Gas. Is the answer to the question.
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Increasing the temperature of the solvent ____________________ the solubility of a solid solute and _______________________ the
Marina86 [1]

Answer:

increase in solvent temperature will increase the solubility of solid particle but decreases the solubility of gas particle.

Explanation:

In solid particle when temperature increases its help to break apart the solid particle and increase in kinetic energy of solvent results in increase in solubility of solid particles in solvent.

but in gas solute, increase in temperature of solvent causes the increase in motion of gas molecules means increase in kinetic energy of molecules in the gas which results in breakage of inter molecular bonds and removal of the molecules from the heated solution.

4 0
2 years ago
The elementary reaction 2 H 2 O ( g ) − ⇀ ↽ − 2 H 2 ( g ) + O 2 ( g ) proceeds at a certain temperature until the partial pressu
daser333 [38]

Answer:

6.75 × 10⁻⁸is the value of the equilibrium constant at this temperature.

Explanation:

2H₂O(g) ⇄ 2H₂(g) + O₂(g)

Partial pressure of H₂O = 0.0500 atm

Partial pressure of H₂ = 0.00150 atm

Partial pressure of O₂ = 0.00150 atm

The expression of Kp for the given chemical equation is:

K_p = \frac{[H_2]^2[O_2]}{H_2O}

= \frac{(0.00150^2)(0.00150)}{(0.0500)} \\= 6.75 * 10^-^8

6.75 × 10⁻⁸is the value of the equilibrium constant at this temperature

7 0
3 years ago
Why do materials interact to light differently?
liubo4ka [24]

Answer:

Refracted (refraction) – the bending of transmitted light as it travels across the boundary of one material into another material in which it's speed is different. Unlike diffraction, this change in direction of light occurs because light is changing its speed in the different substances in it traveling in.

Explanation:

Hope it helps

6 0
3 years ago
when 25 ml of 0.12 m aqueous ammonia is titrated with 0.12 m hydrobromic acid, what is the ph at the equivalence point?
maxonik [38]
The pH of solution at equivalence point is 5.2...
5 0
2 years ago
What is an ionic bond?
quester [9]

Answer:

D = A bond resulting from the transfer of one or more electrons.

Explanation:

Ionic bond:

It is the bond which is formed by the transfer of electron from one atom to the atom of another element.  

Explanation:

Both bonded atoms have very large electronegativity difference. The atom with large electronegativity value accept the electron from other with smaller value of electronegativity.

For example:

Sodium chloride is ionic compound. The electronegativity of chlorine is 3.16 and for sodium is 0.93. There is large difference is present. That's why electron from sodium is transfer to the chlorine. Sodium becomes positive and chlorine becomes negative ion.  

while by sharing of electrons covalent bond is formed.

Covalent bond:

It is formed by the sharing of electron pair between bonded atoms.  

The atom with larger electronegativity attract the electron pair more towards it self and becomes partial negative while the other atom becomes partial positive.

For example:

In water the electronegativity of oxygen is 3.44 and hydrogen is 2.2. That's why electron pair attracted more towards oxygen, thus oxygen becomes partial negative and hydrogen becomes partial negative.

7 0
2 years ago
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