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3 years ago

Which of the following defines the rate at which a solute dissolves into a solvent?

Chemistry

2 answers:

Flauer [41]3 years ago

7 0

B. rate of dissolution

PIT_PIT [208]3 years ago

6 0

The correct answer is B. Rate of dissolution

Explanation:

In chemistry, a dissolution occurs as a substance or liquid called solute dissolves or is mixed with other called solvent. Additionally, the rate of this process refers to the Rate of dissolution, this describes the degree at which both substances mix and the speed at which this occurs. Besides this, the rate of dissolution is affected by many factors that include the type of solute and solvent, the size of the particles dissolved, the temperature and the surface area. According to this, the rate at which a solute dissolves into a solvent is the Rate of dissolution.

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3 years ago

What is the second quantum number of the 3p1 electron in aluminum 1s22s22p63s23p1?

Brut [27]

There are 4 quantum numbers that can be used to describe the space of highest probability an electron resides in.
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third is magnetic quantum number - m, which tells the specific orbital.
fourth is spin quantum number - s - gives the spin of the electron in the orbital

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2 years ago

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A mixture of gases with a pressure of 800.0 mm hg contains 60% nitrogen and 40% oxygen by volume. what is the partial pressure o

klasskru [66]

Hello!

We have the following statement data:

Data:
$P_{Total} = 800 mmHg$
$P\% N_{2} = 60\%$
$P\% O_{2} = 40\%$
$P_{partial} = ? (mmHg)$

As the percentage is the mole fraction multiplied by 100:

 $P = X_{ O_{2} }*100$

The mole fraction will be the percentage divided by 100, thus:
What is the partial pressure of oxygen in this mixture?

$X_{ O_{2} } = \frac{P}{100}$
$X_{ O_{2}} = \frac{40}{100}$
$\boxed{X_{ O_{2}} = 0.4}$

To calculate the partial pressure of the oxygen gas, it is enough to use the formula that involves the pressures (total and partial) and the fraction in quantity of matter:

In relation to $O_{2}$ :

$\frac{P O_{2} }{P_{total}} = X_O_{2}$
$\frac{P O_{2} }{800} = 0.4$
$P_O_{2} = 0.4*800$
$\boxed{\boxed{P_O_{2} = 320\:mmHg}}\end{array}}\qquad\quad\checkmark$

Answer:
b. 320.0 mm hg

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3 years ago

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You can not see between opaque materials because light cannot pass through them.

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2 years ago

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Serjik [45]

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Explanation:

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2 years ago

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