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Finger [1]
3 years ago
11

In the diagram below, particles of the substance are moving from the liquid phase to the gas phase at the same rate as they move

from the gas phase to the liquid phase. mc003-1.jpg The gas and liquid are at equilibrium. a high vapor pressure. a low vapor pressure. zero vapor pressure.
Chemistry
2 answers:
andrezito [222]3 years ago
6 0
The correct option is this: THE GAS AND LIQUID ARE AT EQUILIBRIUM.
A chemical system is said to be in equilibrium if the forward and the backward reactions are equal. At equilibrium, both the reactants and the products are present in concentrations which have no tendency to change with time.
harkovskaia [24]3 years ago
3 0

The gas and liquid are at equilibrium.

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What is thought to cause the Earth's magnetic field
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Data Collection
vladimir2022 [97]

<u>Answer:</u>

<u>For a):</u> The mass percent of naphthalene in the original sample is 31.00 %.

<u>For b):</u> The mass percent of 3-nitroaniline in the original sample is 32.03 %.

<u>For c):</u> The mass percent of benzoic acid in the original sample is 29.97 %.

<u>For d):</u> The total percent recovered is 93.00 %.

<u>Explanation:</u>

Percentage by mass is defined as the ratio of the mass of a substance to the mass of the solution multiplied by 100. The formula used for this is:  

\text{Percent by mass}=\frac{\text{Mass of substance}}{\text{Mass of a solution}} \times 100               ......(1)

a):

Mass of naphthalene = 0.483 g

Mass of the sample = 1.558 g

Plugging values in equation 1:

\%\text{ mass of naphthalene}=\frac{0.483 g}{1.558}\times 100\\\\\%\text{ mass of naphthalene}=31.00 \%

b):

Mass of 3-nitroaniline = 0.499 g

Mass of the sample = 1.558 g

Plugging values in equation 1:

\%\text{ mass of 3-nitroaniline}=\frac{0.499 g}{1.558}\times 100\\\\\%\text{ mass of 3-nitroaniline}=32.03 \%

c):

Mass of benzoic acid = 0.467 g

Mass of the sample = 1.558 g

Plugging values in equation 1:

\%\text{ mass of benzoic acid}=\frac{0.467 g}{1.558}\times 100\\\\\%\text{ mass of benozic acid}=29.97 \%

d):

Total mass recovered = [0.483 + 0.499 + 0.467] = 1.449 g

Mass of the sample = 1.558 g

Plugging values in equation 1:

\text{Total percent recovered}=\frac{1.449 g}{1.558}\times 100\\\\\text{Total percent recovered}=93.00\%

8 0
3 years ago
4.05 kg + 567.95 g + 100.1 g add the correct value using the correct sig figs and or least precise degree of precision.
AlladinOne [14]
To get the least degree of precision I would model it after the kg amount or 4.05 or two decimal places so I would add 0.56795 or to two places would be 0.57 kg and then 0.1001 kg would be 0.1 kg so my answer would be 4.72 kg. In contrast, the greatest degree of precision would be 4050g + 567.95 grams plus 100.1 g= 4718.05 grams or 4.71805 kg. At least that is what I would think..
7 0
3 years ago
Chemical properties cannot be measured or observed True False
posledela

Answer:

True

Explanation:

it cant because unless it is a chemical reaction

hope this helps have a wonderful and blessed day!!!

5 0
3 years ago
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